﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-04-23T16:23:12-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>946214841</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>ARMANINO ADVISORY LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>2700 CAMINO RAMON STE 350</AddressLine1Txt>
        <CityNm>SAN RAMON</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>945835004</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>943030609</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>BUCK INSTITUTE FOR RESEARCH ON AGING</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>BUCK</BusinessNameControlTxt>
      <PhoneNum>4152092000</PhoneNum>
      <USAddress>
        <AddressLine1Txt>8001 REDWOOD BOULEVARD</AddressLine1Txt>
        <CityNm>NOVATO</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94945</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>FREDA KONG</PersonNm>
      <PersonTitleTxt>CHIEF FINANCIAL OFFICER</PersonTitleTxt>
      <PhoneNum>4152092000</PhoneNum>
      <SignatureDt>2025-04-22</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>KATY BROWN</PreparerPersonNm>
      <PTIN>P00650274</PTIN>
      <PhoneNum>9257902600</PhoneNum>
      <PreparationDt>2025-04-16</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="10">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>MEAGAN MOORE</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>8001 REDWOOD BOULEVARD</AddressLine1Txt>
        <CityNm>NOVATO</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94945</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>73654601</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.BUCKINSTITUTE.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1986</FormationYr>
      <LegalDomicileStateCd>CA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>BUCK INSTITUTE FOR RESEARCH ON AGING IS DEDICATED TO IMPROVING THE HEALTH SPAN OF INDIVIDUALS.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>32</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>32</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>277</TotalEmployeeCnt>
      <TotalVolunteersCnt>43</TotalVolunteersCnt>
      <TotalGrossUBIAmt>-226386</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>47910260</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>68752195</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>1347627</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>981318</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>568560</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>415527</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>567004</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>-614329</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>50393451</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>69534711</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>4442220</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>4028587</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>27231783</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>30791943</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>1730650</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>25550595</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>26484547</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>57224598</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>61305077</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-6831147</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>8229634</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>134534931</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>140312200</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>132946963</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>129260796</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>1587968</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>11051404</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>TO INCREASE THE HEALTHY, PRODUCTIVE YEARS OF LIFE THROUGH BASIC BIOMEDICAL RESEARCH ON AGING AND AGE-RELATED DISEASES.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>44902199</ExpenseAmt>
      <GrantAmt>4028587</GrantAmt>
      <RevenueAmt>151443</RevenueAmt>
      <Desc>THE BUCK INSTITUTE FOR RESEARCH ON AGING (THE "INSTITUTE") IS A NONPROFIT CHARITABLE ENTITY. THE MISSION OF THE INSTITUTE IS TO INCREASE THE HEALTHY PRODUCTIVE YEARS OF LIFE THROUGH BASIC BIOMEDICAL RESEARCH ON AGING AND ITS CONNECTION TO CHRONIC CONDITIONS COMMONLY ASSOCIATED WITH OLD AGE. THE INSTITUTE'S RESEARCH PROGRAMS ADDRESS TWO FUNDAMENTAL QUESTIONS:WHAT IS THE NATURE OF AGING?WHAT FACTORS TRIGGER DISEASES ASSOCIATED WITH AGE?ESTABLISHED AS AN INDEPENDENT, NOT-FOR-PROFIT RESEARCH CENTER, THE INSTITUTE OPENED IN 1999 AND CURRENTLY HOUSES THE LABORATORIES OF PRINCIPAL INVESTIGATORS RECRUITED FOR LEADERSHIP IN THEIR RESPECTIVE FIELDS OF RESEARCH.</Desc>
      <TotalProgramServiceExpensesAmt>44902199</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="RetDoc1040500001">1</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="RetDoc1040500001">1</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="RetDoc1040500001">0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">1</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">1</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd referenceDocumentId="RetDoc1042800001">0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd referenceDocumentId="RetDoc1042800001">0</PYExcessBenefitTransInd>
      <LoanOutstandingInd referenceDocumentId="RetDoc1042800001">0</LoanOutstandingInd>
      <GrantToRelatedPersonInd referenceDocumentId="RetDoc1042800001">0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd referenceDocumentId="RetDoc1042800001">0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd referenceDocumentId="RetDoc1042800001">0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>1</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043500001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043500001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043500001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043500001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>73</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>277</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>32</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>32</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>1</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>0</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>0</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <PersonNm>FREDA KONG CFO</PersonNm>
        <PhoneNum>4152092024</PhoneNum>
        <USAddress>
          <AddressLine1Txt>8001 REDWOOD BOULEVARD</AddressLine1Txt>
          <CityNm>NOVATO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94945</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATT P CARBONE</PersonNm>
        <TitleTxt>CHAIR OF THE BOARD</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BLAIR LACORTE</PersonNm>
        <TitleTxt>VICE CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JIM HENRY</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SARAH MARSEY</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM A BARNES</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RICHARD DICK BODMAN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JIM BUZZITTA MD</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DOROTHEA M DUTTON CFA</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LIZELLEN LA FOLLETTE MD</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANISYA FRITZ</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID GENSLER</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL GHILOTTI</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LYDIA GRAHAM</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JANE INCH</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN M JACK</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JILL KINNEY</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA MAYNE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>AFAF MELEIS PHD FAAN LL</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JIM MELLON</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BILL R POLAND</PersonNm>
        <TitleTxt>CHAIR EMERITUS</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEVEN READ</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>E LEW REID</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBERT ROSENKRANZ</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JACK ROWE MD</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>THEO TAFT SCHWABACHER</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LILIAN SHACKELFORD MURRAY</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RONA SILKISS MD FACS</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>FREDRIC E STECK</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RICHARD STONE CLU CFP</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PAUL VERKUIL</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WELLS WHITNEY SCD</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOON YUN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERIC VERDIN</PersonNm>
        <TitleTxt>PRESIDENT &amp; CEO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>803549</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>42408</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NANCY DERR</PersonNm>
        <TitleTxt>VP, FINANCE &amp; CFO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>344792</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>61357</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MEAGAN MOORE</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>280182</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>43166</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROBIN SNYDER</PersonNm>
        <TitleTxt>VP, COMMUNICATIONS</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>346119</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>72818</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRIAN VAN WEELE</PersonNm>
        <TitleTxt>CHIEF OFFICER, INSTITUTIONAL ADVANCE</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>341148</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>43185</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MALENE HANSEN</PersonNm>
        <TitleTxt>CHIEF SCIENTIFIC OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>321136</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>52013</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GORDON LITHGOW</PersonNm>
        <TitleTxt>PROFESSOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>276041</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>42537</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID FURMAN</PersonNm>
        <TitleTxt>ASSOCIATE PROFESSOR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>262757</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>57380</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>2975724</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>414864</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>61</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WEAVER AUSTIN</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1111 BROADWAY SUITE 2300</AddressLine1Txt>
            <CityNm>OAKLAND</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94607</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LEGAL SERVICES</ServicesDesc>
        <CompensationAmt>232569</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ARMANINO LLP</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 411753</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02241</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ACCOUNTING SERVICES</ServicesDesc>
        <CompensationAmt>129675</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>KAI2 COMMUNICATIONS</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1862 COASTLAND AVENUE</AddressLine1Txt>
            <CityNm>SAN JOSE</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>95125</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MARKETING AND COMMUNICATION</ServicesDesc>
        <CompensationAmt>122438</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WILSON SONSINI GOODRICH &amp; ROSA</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 742866</AddressLine1Txt>
            <CityNm>LOS ANGELES</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>90074</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LEGAL SERVICES</ServicesDesc>
        <CompensationAmt>107513</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>4</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>26067936</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>42684259</AllOtherContributionsAmt>
      <NoncashContributionsAmt>12931</NoncashContributionsAmt>
      <TotalContributionsAmt>68752195</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>CONTRACT SERVICES</Desc>
        <BusinessCd>541700</BusinessCd>
        <TotalRevenueColumnAmt>966443</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>136568</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>829875</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>REGISTRATION FEES</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>14875</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>14875</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>981318</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>464908</TotalRevenueColumnAmt>
        <ExclusionAmt>464908</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>84753</TotalRevenueColumnAmt>
        <ExclusionAmt>84753</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <GrossRentsGrp>
        <RealAmt>2178557</RealAmt>
        <PersonalAmt>21507</PersonalAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>3256325</RealAmt>
        <PersonalAmt>0</PersonalAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>-1077768</RealAmt>
        <PersonalAmt>21507</PersonalAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>-1056261</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>-1056261</UnrelatedBusinessRevenueAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>813634</SecuritiesAmt>
        <OtherAmt>550</OtherAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>837430</SecuritiesAmt>
        <OtherAmt>26135</OtherAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>-23796</SecuritiesAmt>
        <OtherAmt>-25585</OtherAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>-49381</TotalRevenueColumnAmt>
        <ExclusionAmt>-49381</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>357179</TotalRevenueColumnAmt>
        <ExclusionAmt>357179</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>357179</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>69534711</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>151443</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>-226386</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>857459</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>2839884</TotalAmt>
        <ProgramServicesAmt>2839884</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>788703</TotalAmt>
        <ProgramServicesAmt>788703</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>400000</TotalAmt>
        <ProgramServicesAmt>400000</ProgramServicesAmt>
      </ForeignGrantsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>1608632</TotalAmt>
        <ProgramServicesAmt>253257</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1270956</ManagementAndGeneralAmt>
        <FundraisingAmt>84419</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>22794952</TotalAmt>
        <ProgramServicesAmt>14931670</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7172507</ManagementAndGeneralAmt>
        <FundraisingAmt>690775</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>1969461</TotalAmt>
        <ProgramServicesAmt>1375209</ProgramServicesAmt>
        <ManagementAndGeneralAmt>525636</ManagementAndGeneralAmt>
        <FundraisingAmt>68616</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>2770268</TotalAmt>
        <ProgramServicesAmt>1663982</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1014043</ManagementAndGeneralAmt>
        <FundraisingAmt>92243</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>1648630</TotalAmt>
        <ProgramServicesAmt>1094605</ProgramServicesAmt>
        <ManagementAndGeneralAmt>496505</ManagementAndGeneralAmt>
        <FundraisingAmt>57520</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>266143</TotalAmt>
        <ManagementAndGeneralAmt>266143</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>105990</TotalAmt>
        <ManagementAndGeneralAmt>105990</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1590076</TotalAmt>
        <ProgramServicesAmt>781085</ProgramServicesAmt>
        <ManagementAndGeneralAmt>582013</ManagementAndGeneralAmt>
        <FundraisingAmt>226978</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>11592</TotalAmt>
        <ProgramServicesAmt>9027</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1283</ManagementAndGeneralAmt>
        <FundraisingAmt>1282</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>1252223</TotalAmt>
        <ProgramServicesAmt>681484</ProgramServicesAmt>
        <ManagementAndGeneralAmt>497409</ManagementAndGeneralAmt>
        <FundraisingAmt>73330</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>606725</TotalAmt>
        <ProgramServicesAmt>136835</ProgramServicesAmt>
        <ManagementAndGeneralAmt>464542</ManagementAndGeneralAmt>
        <FundraisingAmt>5348</FundraisingAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>7550</TotalAmt>
        <ProgramServicesAmt>4005</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3545</ManagementAndGeneralAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>8370190</TotalAmt>
        <ProgramServicesAmt>7057459</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1036552</ManagementAndGeneralAmt>
        <FundraisingAmt>276179</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>939782</TotalAmt>
        <ProgramServicesAmt>576320</ProgramServicesAmt>
        <ManagementAndGeneralAmt>340021</ManagementAndGeneralAmt>
        <FundraisingAmt>23441</FundraisingAmt>
      </TravelGrp>
      <InterestGrp>
        <TotalAmt>5773</TotalAmt>
        <ManagementAndGeneralAmt>5773</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>5855774</TotalAmt>
        <ProgramServicesAmt>5010635</ProgramServicesAmt>
        <ManagementAndGeneralAmt>742829</ManagementAndGeneralAmt>
        <FundraisingAmt>102310</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>28169</TotalAmt>
        <ProgramServicesAmt>24325</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3030</ManagementAndGeneralAmt>
        <FundraisingAmt>814</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>RESEARCH SUPPLIES</Desc>
        <TotalAmt>4104131</TotalAmt>
        <ProgramServicesAmt>4104131</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>SUBCONTRACTOR EXPENSES</Desc>
        <TotalAmt>2114953</TotalAmt>
        <ProgramServicesAmt>2114953</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>EQUIP RENTAL AND MAINT</Desc>
        <TotalAmt>779398</TotalAmt>
        <ProgramServicesAmt>779398</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ALL OTHER EXPENSES</Desc>
        <TotalAmt>436078</TotalAmt>
        <ProgramServicesAmt>275232</ProgramServicesAmt>
        <ManagementAndGeneralAmt>133451</ManagementAndGeneralAmt>
        <FundraisingAmt>27395</FundraisingAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>10000</TotalAmt>
        <ManagementAndGeneralAmt>10000</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>61305077</TotalAmt>
        <ProgramServicesAmt>44902199</ProgramServicesAmt>
        <ManagementAndGeneralAmt>14672228</ManagementAndGeneralAmt>
        <FundraisingAmt>1730650</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1746551</BOYAmt>
        <EOYAmt>522461</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>26226887</BOYAmt>
        <EOYAmt>19203582</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>7241275</BOYAmt>
        <EOYAmt>21509413</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>340869</BOYAmt>
        <EOYAmt>332127</EOYAmt>
      </AccountsReceivableGrp>
      <OthNotesLoansReceivableNetGrp>
        <BOYAmt>465102</BOYAmt>
        <EOYAmt>598556</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>203898</BOYAmt>
        <EOYAmt>211602</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>184539623</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>98510405</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>85619553</BOYAmt>
        <EOYAmt>86029218</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>5644894</BOYAmt>
        <EOYAmt>4858391</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>92614</BOYAmt>
        <EOYAmt>92614</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>6953288</BOYAmt>
        <EOYAmt>6954236</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>134534931</BOYAmt>
        <EOYAmt>140312200</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>6534808</BOYAmt>
        <EOYAmt>4886123</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>4372330</BOYAmt>
        <EOYAmt>4353860</EOYAmt>
      </DeferredRevenueGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>122039825</BOYAmt>
        <EOYAmt>120020813</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>132946963</BOYAmt>
        <EOYAmt>129260796</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>-9071391</BOYAmt>
        <EOYAmt>-16677243</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>10659359</BOYAmt>
        <EOYAmt>27728647</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>1587968</BOYAmt>
        <EOYAmt>11051404</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>134534931</BOYAmt>
        <EOYAmt>140312200</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>8229634</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>899269</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>334533</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>1</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>1</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>44361331</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>38710776</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>57435338</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>47910260</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>68752195</CurrentTaxYearAmt>
        <TotalAmt>257169900</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>44361331</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>38710776</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>57435338</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>47910260</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>68752195</CurrentTaxYearAmt>
        <TotalAmt>257169900</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>32709403</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>224460497</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>304386</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>293062</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>297327</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>796346</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>549661</CurrentTaxYearAmt>
        <TotalAmt>2240782</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <UnrelatedBusinessNetIncm170Grp>
        <CurrentTaxYearMinus3YearsAmt>13636</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus1YearAmt>206898</CurrentTaxYearMinus1YearAmt>
        <TotalAmt>220534</TotalAmt>
      </UnrelatedBusinessNetIncm170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>1127023</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>144856</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>389193</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>207182</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>357179</CurrentTaxYearAmt>
        <TotalAmt>2225433</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>261856649</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>6148640</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.85720</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.90960</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <LandGrp>
        <OtherCostOrOtherBasisAmt>5787083</OtherCostOrOtherBasisAmt>
        <BookValueAmt>5787083</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>143970102</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>77777064</DepreciationAmt>
        <BookValueAmt>66193038</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>32579673</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>20060503</DepreciationAmt>
        <BookValueAmt>12519170</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>2202765</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>672838</DepreciationAmt>
        <BookValueAmt>1529927</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>86029218</TotalBookValueLandBuildingsAmt>
      <TotalRevEtcAuditedFinclStmtAmt>73917003</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>899269</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>3640789</OtherRevenueAmt>
      <RevenueNotReportedAmt>4540058</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>69376945</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>157766</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>157766</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>69534711</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>64453567</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>3306256</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>3306256</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>61147311</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>157766</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>157766</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>61305077</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSES 3,256,325. REVENUE INCLUDED IN EXPENSES 49,931. CHANGE IN VALUE OF SPLIT-INTEREST AGREEMENTS 334,533.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>VIVARIUM SERVICES EXPENSES NETTED WITH REVENUE 157,766.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSES 3,256,325. REVENUE INCLUDED IN EXPENSES 49,931.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>VIVARIUM SERVICES EXPENSES NETTED WITH REVENUE 157,766.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EAST ASIA &amp; THE PACIFIC</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>100000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>100000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>GRANTMAKING</TypeOfActivitiesConductedTxt>
        <RegionTotalExpendituresAmt>200000</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>400000</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>400000</TotalSpentAmt>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EAST ASIA &amp; THE PACIFIC</RegionTxt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>100000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>SOUTH AMERICA</RegionTxt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>100000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>100000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <GrantsToOrgOutsideUSGrp>
        <RegionTxt>EUROPE</RegionTxt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
        <CashGrantAmt>100000</CashGrantAmt>
        <MannerOfCashDisbursementTxt>WIRE TRANSFER</MannerOfCashDisbursementTxt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
      </GrantsToOrgOutsideUSGrp>
      <Total501c3OrgCnt>4</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH GRANT RECIPIENT MUST SUBMIT SCIENTIFIC PROGRESS REPORTS AND FINANCIAL REPORTS TO THE BUCK INSTITUTE. PROGRESS REPORTS DESCRIBE THE PROGRESS TOWARD RESEARCH GOALS AND ARE REVIEWED BY THE SCIENTIFIC ADVISORY COUNCIL. EACH FINANCIAL REPORT TRACKS ACTUAL RECEIPTS AND EXPENDITURES AGAINST THE ANNUAL BUDGET APPROVED FOR THE AWARD. A FORMAL EXPLANATION IS REQUIRED WITH THE ANNUAL FINANCIAL REPORT SHOULD THE GRANTEE UNDERSPEND BY 20% OR GREATER IN A GIVEN REPORTING PERIOD.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>OKLAHOMA MEDICAL RESEARCH FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>825 NE 13TH STREET</AddressLine1Txt>
          <CityNm>OKLAHOMA CITY</CityNm>
          <StateAbbreviationCd>OK</StateAbbreviationCd>
          <ZIPCd>73104</ZIPCd>
        </USAddress>
        <RecipientEIN>730580274</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>650000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE REGENTS OF UNIVERSITY OF CALIFORNIA SAN FRANCISCO</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>513 PARNASSUS AVENUE</AddressLine1Txt>
          <CityNm>SAN FRANCISCO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94143</ZIPCd>
        </USAddress>
        <RecipientEIN>946036493</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>500000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>NORTHWESTERN UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>303 E SUPERIOR ST</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60611</ZIPCd>
        </USAddress>
        <RecipientEIN>362167817</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>300000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MAGEE-WOMENS RESEARCH INSTITUTE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3240 CRAFT PLACE SUITE 100</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>15213</ZIPCd>
        </USAddress>
        <RecipientEIN>251462312</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>250000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>REGENTS OF THE UNIVERSITY OF MICHIGAN</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>3003 S STATE 5TH FL</AddressLine1Txt>
          <CityNm>ANN ARBOR</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48109</ZIPCd>
        </USAddress>
        <RecipientEIN>386006309</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>250000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF PITTSBURGH</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>500 ROSS STREET</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>15213</ZIPCd>
        </USAddress>
        <RecipientEIN>250965591</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>UNIVERSITY OF COLORADO</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>13001 EAST 17TH PLACE</AddressLine1Txt>
          <CityNm>AURORA</CityNm>
          <StateAbbreviationCd>CO</StateAbbreviationCd>
          <ZIPCd>80045</ZIPCd>
        </USAddress>
        <RecipientEIN>846000555</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WHITEHEAD INSTITUTE FOR BIOMEDICAL RESEARCH</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>455 MAIN STREET</AddressLine1Txt>
          <CityNm>CAMBRIDGE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02142</ZIPCd>
        </USAddress>
        <RecipientEIN>061043412</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>WOMEN AND INFANTS HOSPITAL OF RHODE ISLAND</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>350 DUNCAN DRIVE CHAMBERS BUILDING</AddressLine1Txt>
          <CityNm>PROVIDENCE</CityNm>
          <StateAbbreviationCd>RI</StateAbbreviationCd>
          <ZIPCd>02906</ZIPCd>
        </USAddress>
        <RecipientEIN>050258937</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE REGENTS OF THEUNIVERSITY OF CALIFORNIA LOS ANGELES</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>BOX 957089 1125 MURPHY HALL 405</AddressLine1Txt>
          <AddressLine2Txt>HILLGARD AVE</AddressLine2Txt>
          <CityNm>LOS ANGELES</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>90095</ZIPCd>
        </USAddress>
        <RecipientEIN>092530369</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>MARINE BIOLOGICAL LABORATORY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>7 MBL STREET</AddressLine1Txt>
          <CityNm>WOODS HOLE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02543</ZIPCd>
        </USAddress>
        <RecipientEIN>042104690</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE REGENTS OF UNIVERSITY OF CALIFORNIA DAVIS</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 743168</AddressLine1Txt>
          <CityNm>LOS ANGELES</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>80045</ZIPCd>
        </USAddress>
        <RecipientEIN>946036494</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE REGENTS OF UNIVERSITY OF CALIFORNIA BERKELEY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>142 WEILL HALL 3200</AddressLine1Txt>
          <CityNm>BERKELEY</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94720</ZIPCd>
        </USAddress>
        <RecipientEIN>946002123</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>YALE UNIVERSITY SCHOOL OF MEDICINE</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>150 MUNSON STREET</AddressLine1Txt>
          <CityNm>NEW HAVEN</CityNm>
          <StateAbbreviationCd>CT</StateAbbreviationCd>
          <ZIPCd>06520</ZIPCd>
        </USAddress>
        <RecipientEIN>060646973</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>89884</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>BIOMEDICAL RESEARCH</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>14</Total501c3OrgCnt>
      <TotalOtherOrgCnt>0</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>SCHOLARSHIPS</GrantTypeTxt>
        <RecipientCnt>40</RecipientCnt>
        <CashGrantAmt>788703</CashGrantAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>DIRECT CREDIT TO STUDENT ACCOUNT</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE INSTITUTE RECEIVES DETAILED INVOICES FROM DOMINICAN UNIVERSITY OF CALIFORNIA AND UNIVERSITY OF SOUTHERN CALIFORNIA. THE INVOICES LIST THE INDIVIDUALS AND SCHOLARSHIP AMOUNTS, WHICH ARE REVIEWED AND APPROVED BY THE INSTITUTE'S EDUCATION OFFICE. THERE IS ADDITIONAL OVERSIGHT OF THE PROGRAM SPENDING BY THE GRANTS DEPARTMENT. EACH GRANT RECIPIENT MUST SUBMIT SCIENTIFIC PROGRESS REPORTS AND FINANCIAL REPORTS TO THE BUCK INSTITUTE. PROGRESS REPORTS DESCRIBE THE PROGRESS TOWARD RESEARCH GOALS AND ARE REVIEWED BY THE SCIENTIFIC ADVISORY COUNCIL. EACH FINANCIAL REPORT TRACKS ACTUAL RECEIPTS AND EXPENDITURES AGAINST THE ANNUAL BUDGET APPROVED FOR THE AWARD. A FORMAL EXPLANATION IS REQUIRED WITH THE ANNUAL FINANCIAL REPORT SHOULD THE GRANTEE UNDERSPEND BY 20% OR GREATER IN A GIVEN REPORTING PERIOD.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ERIC VERDIN</PersonNm>
        <TitleTxt>PRESIDENT &amp; CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>803549</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>41490</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>918</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>845957</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ROBIN SNYDER</PersonNm>
        <TitleTxt>VP, COMMUNICATIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>346119</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>41490</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>31328</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>418937</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NANCY DERR</PersonNm>
        <TitleTxt>VP, FINANCE &amp; CFO</TitleTxt>
        <BaseCompensationFilingOrgAmt>344792</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>41490</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>19867</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>406149</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRIAN VAN WEELE</PersonNm>
        <TitleTxt>CHIEF OFFICER, INSTITUTIONAL ADVANCE</TitleTxt>
        <BaseCompensationFilingOrgAmt>341148</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>41490</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1695</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>384333</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MALENE HANSEN</PersonNm>
        <TitleTxt>CHIEF SCIENTIFIC OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>321136</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>40303</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11710</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>373149</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MEAGAN MOORE</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
        <BaseCompensationFilingOrgAmt>280182</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>34611</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>8555</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>323348</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAVID FURMAN</PersonNm>
        <TitleTxt>ASSOCIATE PROFESSOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>262757</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>25980</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>31400</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>320137</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GORDON LITHGOW</PersonNm>
        <TitleTxt>PROFESSOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>276041</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>33330</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9207</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>318578</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>BUCK REVIEWS CEO COMPENSATION FROM OTHER ORGANIZATIONS, PRIMARILY OTHER RESEARCH INSTITUTES THROUGH THE ASSOCIATION OF INDEPENDENT RESEARCH INSTITUTES. THE GOVERNANCE COMMITTEE OF THE BOARD OF TRUSTEES REVIEWS AND APPROVES CEO SALARY BASED ON THE INFORMATION PROVIDED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <BusinessName>
            <BusinessNameLine1Txt>JUVENESCENCE LTD</BusinessNameLine1Txt>
          </BusinessName>
        </NameOfInterested>
        <RelationshipDescriptionTxt>ENTITY MORE THAN 35% OWNED BY BOARD MEMBER</RelationshipDescriptionTxt>
        <TransactionAmt>107148</TransactionAmt>
        <TransactionDesc>CORPORATE SPONSORED RESEARCH AGREEMENTS</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION AMENDED ITS ARTICLES OF INCORPORATION TO RESTATE THE ORGANIZATION'S SPECIFIC AND PRIMARY PURPOSE, CLARIFYING THAT THE ASSETS DERIVING FROM THE ESTATE OF BERY H. BUCK SHALL BE USED SOLELY WITHIN MARIN COUNTY, CALIFORNIA FOR THE BENEFIT OF ALL HUMAN KIND. THE ORGANIZATION AMENDED AND RESTATED THEIR BYLAWS AS OF DECEMBER 2023. THE SIGNIFICANT CHANGES ARE SUMMARIZED AS FOLLOWS: - THE NUMBER OF TRUSTEES ON THE BOARD OF TRUSTEES SHALL INCLUDE EX-OFFICIO TRUSTEES. - THE EX-OFFICIO TRUSTEES SHALL INCLUDE THE FOLLOWING EX-OFFICIO TRUSTEES, EACH OF WHOM SHALL BE A FULL VOTING MEMBER OF THE BOARD: IMMEDIATE PAST CHAIR, PRESIDENT AND CHIEF EXECUTIVE OFFICER, AND CHAIR OF THE SCIENTIFIC ADVISORY BOARD. - TRUSTEES MUST BE IN COMPLIANCE WITH THE BUCK EXPECTATIONS AND RESPONSIBILITIES DOCUMENT AND MUST ANNUALLY COMPLETE A CONFLICT OF INTEREST DISCLOSURE IN ACCORDANCE WITH THE CORPORATION'S CONFLICT OF INTEREST POLICY. - THE BOARD OF TRUSTEES MAY DECLARE VACANT THE OFFICE OF ANY TRUSTEE WHO HAS BEEN DECLARED OF UNSOUND MIND BY A FINAL ORDER OF COURT, OR CONVICTED OF A FELONY, OR BEEN FOUND BY A FINAL ORDER OR JUDGMENT OF ANY COURT TO HAVE BREACHED A DUTY UNDER CALIFORNIA LAW. - THE BYLAWS NOW INCLUDE A SECTION TO DEFINE THE STANDARD OF CARE BY WHICH THE TRUSTEE SHALL PERFORM THEIR DUTIES. - IN NO EVENT SHALL THE REQUIRED QUORUM BE LESS THAN ONE-FIFTH OF THE AUTHORIZED NUMBER OF TRUSTEES OR TWO TRUSTEES, WHICHEVER IS LARGER. - A PARAGRAPH TO DEFINE TRUSTEE VOTING WAS INCLUDED AS FOLLOWS: EACH TRUSTEE SHALL HAVE ONE VOTE ON EACH MATTER PRESENTED TO THE BOARD FOR ACTION. NO TRUSTEE MAY VOTE BY PROXY. - THE ORGANIZATION SHALL HAVE AN AUDIT COMMITTEE FOR ANY TAX YEAR FOR WHICH THE ORGANIZATION HAS GROSS REVENUES OF $2 MILLION OR MORE. - THE AUDIT COMMITTEE MAY NOT INCLUDE ANY PERSON WHO HAS A MATERIAL FINANCIAL INTEREST IN ANY ENTITY DOING BUSINESS WITH THE ORGANIZATION AND AUDIT COMMITTEE MEMBERS WHO ARE NOT TRUSTEES MAY NOT RECEIVE COMPENSATION GREATER THAN COMPENSATION PAID TO TRUSTEES FOR THEIR BOARD SERVICE. - FOR ANY TAX YEAR IN WHICH AN AUDIT COMMITTEE IS NOT MANDATORY, THE BOARD MAY ESTABLISH AN AUDIT COMMITTEE PER THEIR DISCRETION. - THE PRESIDENT AND CEO'S DUTIES WERE AMENDED AS FOLLOWS: THE PRESIDENT SHALL BE EMPOWERED TO HIRE, SUPERVISE, AND FIRE THE OTHER EMPLOYEES OF THE ORGANZIATION AND TO DETERMINE THEIR TITLES, JOB RESPONSIBILITIES AND COMPENSATION. - THE SECRETARY'S DUTIES WERE AMENDED AS FOLLOWS: THE SECRETARY SHALL KEEP A RECORD OF THE MAILING ADDRESSES, EMAIL ADDRESSES, AND/OR PHONE OR FAX NUMBERS PROVIDED BY TRUSTEES FOR THE PURPOSES OF NOTICE AND OTHER COMMUNICATIONS FROM THE ORGANIZATION. - THE CFO'S DUTIES WERE AMENDED AS FOLLOWS: THE CFO SHALL SUPERVISE THE CHARGE AND CUSTODY OF ALL FUNDS AND VALUABLES AND THE DEPOSIT OF SUCH FUNDS IN ACCOUNTS OF THE ORGANIZATION, DISBURSE, OR SUPERVISE THE DISBURSEMENT OF THE CORPORATION'S FUNDS AS AUTHORIZED BY THE BOARD, MAINTAIN ADEQUATE AND CORRECT BOOKS AND ACCOUNTS OF THE ORGANIZATION'S PROPERTIES AND TRANSACTIONS, AND FURNISH AN ANNUAL FINANCIAL REPORT TO THE TRUSTEES, NOT LATER THAN 120 DAYS AFTER THE CLOSE OF THE FISCAL YEAR. - A CONFLICT OF INTEREST POLICY WAS ADDED TO THE BYLAWS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS MADE AVAILABLE TO THE FINANCE COMMITTEE OF THE BOARD OF DIRECTORS TO REVIEW PRIOR TO SUBMISSION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COO REVIEWS ALL ANNUAL CONFLICT OF INTEREST DISCLOSURE FORMS AND BRINGS POTENTIAL CONFLICTS TO THE ATTENTION OF THE CONFLICT OF INTEREST COMMITTEE WHICH MEETS ANNUALLY. THE COMMITTEE DETERMINES IF ANY FOLLOW-UPS ARE REQUIRED. THE COO PROCEEDS WITH THE FOLLOW-UPS UNDER THE GUIDANCE OF THE COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BUCK INSTITUTE BOARD OF TRUSTEES APPROVES TERMS OF EMPLOYMENT OF THE CEO/PRESIDENT AND COMPENSATION FOR EXECUTIVE POSITIONS IN ACCORDANCE WITH THE REBUTTABLE PRESUMPTION OF REASONABLENESS. THE CEO WILL APPROVE ALL SALARY ACTIONS SUCH AS HIRING, PROMOTION AND MERIT INCREASES FOR FACULTY. THE COO, IN CONSULTATION WITH THE CEO, WILL REVIEW AND APPROVE THE HIRING, PROMOTION AND SALARY INCREASE ACTIONS FOR ALL ADMINISTRATIVE MANAGEMENT POSITIONS. FACULTY AND DEPARTMENT HEADS WILL REVIEW AND APPROVE THE HIRING, PROMOTION, AND (IN CONSULTATION WITH THE COO) SALARY INCREASE ACTIONS FOR THOSE REPORTING TO THEM. SALARY ACTIONS ARE ALSO DETERMINED THROUGH THE USE OF COMPENSATION SURVEYS FOR COMPARABILITY. IF IT IS DETERMINED BY THE HIRING MANAGER AND HUMAN RESOURCES THAT A NEW POSITION TITLE IS REQUIRED, HUMAN RESOURCES WILL ADD THE NEW POSITION TO THE APPROVED JOB TITLE LIST, INCLUDING APPROPRIATE CLASSIFICATION AND SALARY RANGE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE FOR PUBLIC INSPECTION UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN VALUE OF SPLIT INTEREST AGREEMENTS 334,533.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043500001">
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>3 CHARITABLE REMAINDER TRUSTS</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>INVESTMENTS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>