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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, LINE 9C</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED ABOVE, TRS DERIVED BENEFIT FROM SHARES OF MBI AS A SHAREHOLDER. HIS SON JONATHAN STANLEY ALSO HAS A BENEFICIAL INTEREST IN SHARES OF MBI AND IS A DISQUALIFIED PERSON BY REASON OF HIS RELATIONSHIP TO TRS AND HIS STATUS AS A TRUSTEE OF THE SUPPORTING ORGANIZATION. JULIUS FRIESE, A TRUSTEE OF THE SUPPORTING ORGANIZATION, IS AN EMPLOYEE OF MBI. THE FUNDING OF THE SUPPORTING ORGANIZATION WITH STOCK OF MBI AND THE RELATIONSHIPS TO MBI OF TRS, JONATHAN STANLEY, AND JULIUS FRIESE WERE ALL DISCLOSED ON THE FORM 1023 FILED FOR THE SUPPORTING ORGANIZATION AND APPROVED BY THE IRS.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </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">
      <TotalBookValueLandBuildingsAmt>0</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>MBI, INC.</Desc>
        <BookValueAmt>284150</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>INVESTMENTS HELD BY THE BROAD INSTITUTE, INC.</Desc>
        <BookValueAmt>5000000</BookValueAmt>
        <MethodValuationCd>C</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>5284150</TotalBookValueSecuritiesAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>PLEDGES PAYABLE</Desc>
        <Amt>13000000</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO THE BROAD INSTITUTE, INC.</Desc>
        <Amt>5000000</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>18000000</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>50082000</TotalRevEtcAuditedFinclStmtAmt>
      <RevenueNotReportedAmt>0</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>50082000</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>50082000</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>73017065</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>73017065</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>73017065</TotalExpensesPerForm990Amt>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE BROAD INSTITUTE INC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>415 MAIN STREET</AddressLine1Txt>
          <CityNm>CAMBRIDGE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02142</ZIPCd>
        </USAddress>
        <RecipientEIN>263428781</RecipientEIN>
        <IRCSectionDesc>501 ( C ) (3)</IRCSectionDesc>
        <CashGrantAmt>73000000</CashGrantAmt>
        <PurposeOfGrantTxt>TO PROVIDE SUPPORT FOR THE ORGANIZATION.</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <TotalOtherOrgCnt>1</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>PLEDGES AND DISTRIBUTIONS ARE APPROVED BY THE TRUSTEES AND DOCUMENTED IN THE TRUSTEE MEETING MINUTES. PLEDGES AND DISTRIBUTIONS WERE PROVIDED TO THE BROAD INSTITUTE,INC., WHICH IS THE STANLEY FUND FOR THE BROAD INSTITUTE'S SUPPORTED ORGANIZATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</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 LANDER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>1140126</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>3234</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>270249</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>23700</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>1437309</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>AS AN ELEMENT OF HIS AMENDED AND RESTATED EMPLOYMENT CONTRACT WITH THE BROAD INSTITUTE EFFECTIVE JULY 1, 2014, ERIC LANDER, THE PRESIDENT/CEO OF THE BROAD INSTITUTE, WILL BE ENTITLED TO RECEIVE LUMP SUM PAYMENTS FROM THE BROAD INSTITUTE ON JUNE 30, 2018 AND 2019 IF HE REMAINS IN THE POSITION OF CORE FACULTY MEMBER OF THE BROAD INSTITUTE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE STANLEY FUND FOR THE BROAD INSTITUTE (THE "FUND") WAS ESTABLISHED UNDER A TRUST AGREEMENT BY THE SETTLOR AND TRUSTEES ON APRIL 22, 2014. THE FUND WAS ESTABLISHED AS A TYPE I SUPPORTING ORGANIZATION OF THE BROAD INSTITUTE, INC., A BIOMEDICAL RESEARCH INSTITUTE CREATED THROUGH COLLABORATIVE EFFORTS OF THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY AND HARVARD UNIVERSITY ("THE BROAD"). THE BROAD'S OVERALL MISSION IS TO PROPEL PROGRESS IN BIOMEDICINE THROUGH RESEARCH AIMED AT THE UNDERSTANDING AND TREATMENT OF DISEASE, AND THE DISSEMINATION OF SCIENTIFIC KNOWLEDGE FOR THE PUBLIC GOOD. ONE OF THE BROAD'S RESEARCH AREAS IS PSYCHIATRIC DISEASES. IN THAT AREA, THE BROAD OPERATES THE STANLEY CENTER FOR PSYCHIATRIC RESEARCH ("THE STANLEY CENTER"), WHICH HAS THE SPECIFIC MISSION "TO DECREASE THE BURDEN OF PSYCHIATRIC DISORDERS THROUGH RESEARCH." THE STANLEY CENTER CARRIES ON WORK IN COLLABORATION WITH INVESTIGATORS THROUGHOUT THE WORLD. THE FUND PROVIDES FINANCIAL SUPPORT FOR THE ACTIVITIES OF THE STANLEY CENTER AT THE BROAD. IT IS MANAGED BY A BOARD OF TRUSTEES. THE FUND'S ACTIVITIES ARE THE INVESTMENT OF ASSETS AND THE PAYMENT OF FUNDS TO THE BROAD IN SUPPORT OF ITS CHARITABLE AND SCIENTIFIC PURPOSES UNDER THE DIRECTION OF THE TRUSTEES SELECTED BY THE BROAD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE NO COMMITTEES WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE STANLEY FUND FOR THE BROAD INSTITUTE'S FORM 990 WAS PREPARED WITH THE ASSISTANCE OF THE FUND'S TAX PREPARER, BLUMSHAPIRO. THE DRAFT FORM 990 WAS PROVIDED TO ALL TRUSTEES FOR REVIEW AND COMMENT PRIOR TO THE FORM BEING FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH TRUSTEE IS REQUIRED TO ANNUALLY ACKNOWLEDGE HIS FAMILIARITY WITH THE CONFLICT OF INTEREST POLICY AND DISCLOSE IN WRITING ANY EXISTING FINANCIAL OR OTHER MATERIAL INTERESTS SUBJECT TO THIS POLICY BY COMPLETING A CONFLICT OF INTEREST DISCLOSURE STATEMENT. THE CONFLICT OF INTEREST DISCLOSURE STATEMENTS ARE REVIEWED ANNUALLY BY THE TRUSTEES. DISCUSSION AND ACTIONS TAKEN, IF NEEDED, RELATED TO THE CONFLICT OF INTEREST DISCLOSURE ARE HELD AT TRUSTEE MEETINGS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>NO COMPENSATION IS PAID BY THE STANLEY FUND FOR THE BROAD INSTITUTE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>RECLASS OF NET ASSETS HELD FOR BENEFIT OF BROAD INSTITUTE TO NET ASSETS 40,579,160.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>THE BROAD INSTITUTE INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>415 MAIN STREET</AddressLine1Txt>
          <CityNm>CAMBRIDGE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02142</ZIPCd>
        </USAddress>
        <EIN>263428781</EIN>
        <PrimaryActivitiesTxt>RESEARCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>1</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>1</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>1</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
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</Return>