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        <NetShortTermCapitalGainLossAmt>-482750</NetShortTermCapitalGainLossAmt>
      </CapGainsLossTxInvstIncmDetail>
      <ExciseTaxBasedOnInvstIncmGrp>
        <ExemptOperatingFoundationsInd>X</ExemptOperatingFoundationsInd>
        <RulingLetterDt>1987-07-15</RulingLetterDt>
        <NotApplicableCd>N/A</NotApplicableCd>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>true</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>true</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>true</AtLeast5000InAssetsInd>
        <OrgReportOrRegisterStateCd>CA</OrgReportOrRegisterStateCd>
        <Form990PFFiledWithAttyGenInd>true</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>true</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>www.nortonsimonartfoundation.org</WebsiteAddressTxt>
        <PersonsWithBooksName>
          <BusinessNameLine1Txt>Ronald H Dykhuizen</BusinessNameLine1Txt>
        </PersonsWithBooksName>
        <PhoneNum>6264327740</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
          <CityNm>Pasadena</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>91101</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
      </StatementsRegardingActyGrp>
      <StatementsRegardingActy4720Grp>
        <SaleOrExchDisqualifiedPrsnInd>false</SaleOrExchDisqualifiedPrsnInd>
        <BrrwOrLendDisqualifiedPrsnInd>false</BrrwOrLendDisqualifiedPrsnInd>
        <FurnGoodsDisqualifiedPrsnInd>true</FurnGoodsDisqualifiedPrsnInd>
        <PayCompDisqualifiedPrsnInd>true</PayCompDisqualifiedPrsnInd>
        <TransferAstDisqualifiedPrsnInd>false</TransferAstDisqualifiedPrsnInd>
        <PaymentToGovernmentOfficialInd>false</PaymentToGovernmentOfficialInd>
        <ActsFailToQlfyAsExceptionsInd>false</ActsFailToQlfyAsExceptionsInd>
        <UncorrectedPriorActsInd>false</UncorrectedPriorActsInd>
        <UndistributedIncomePYInd>false</UndistributedIncomePYInd>
        <BusinessHoldingsInd>false</BusinessHoldingsInd>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
        <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      </StatementsRegardingActy4720Grp>
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm referenceDocumentId="CompensationExplanation.1">Walter W Timoshuk</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>President</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>30.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>360184</CompensationAmt>
          <EmployeeBenefitProgramAmt>78714</EmployeeBenefitProgramAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm referenceDocumentId="CompensationExplanation.2">Ronald H Dykhuizen</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>CFO</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>30.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>180667</CompensationAmt>
          <EmployeeBenefitProgramAmt>46587</EmployeeBenefitProgramAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm referenceDocumentId="CompensationExplanation.3">Stephanie Villasenor</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Secretary</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>37.50</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>157032</CompensationAmt>
          <EmployeeBenefitProgramAmt>20141</EmployeeBenefitProgramAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Sara Campbell Abdo</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Dr Johannes Czernin</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Thomas L Pfister</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm referenceDocumentId="CompensationExplanation.7">Dr Michael E Phelps</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Nancy Shelmon</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Nina Shepherd</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompensationHighestPaidEmplGrp>
          <PersonNm>Leslie Denk</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
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          <TitleTxt>Dir of Ext Affairs</TitleTxt>
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          <CompensationAmt>87375</CompensationAmt>
          <EmployeeBenefitsAmt>26560</EmployeeBenefitsAmt>
        </CompensationHighestPaidEmplGrp>
        <CompensationHighestPaidEmplGrp>
          <PersonNm>Carol Togneri</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Senior Curator</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>20.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>93600</CompensationAmt>
          <EmployeeBenefitsAmt>9360</EmployeeBenefitsAmt>
        </CompensationHighestPaidEmplGrp>
        <CompensationHighestPaidEmplGrp>
          <PersonNm>John Griswold</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Conservator</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>28.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>82500</CompensationAmt>
          <EmployeeBenefitsAmt>19550</EmployeeBenefitsAmt>
        </CompensationHighestPaidEmplGrp>
        <CompensationHighestPaidEmplGrp>
          <PersonNm>Sandra Chen</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
          </USAddress>
          <TitleTxt>Senior Accountant</TitleTxt>
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          <CompensationAmt>68534</CompensationAmt>
          <EmployeeBenefitsAmt>28188</EmployeeBenefitsAmt>
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        <CompensationHighestPaidEmplGrp>
          <PersonNm>Cindy Schembri</PersonNm>
          <USAddress>
            <AddressLine1Txt>385 E Colorado Blvd Ste 240</AddressLine1Txt>
            <CityNm>Pasadena</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91101</ZIPCd>
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          <TitleTxt>Controller</TitleTxt>
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          <CompensationAmt>65250</CompensationAmt>
          <EmployeeBenefitsAmt>14507</EmployeeBenefitsAmt>
        </CompensationHighestPaidEmplGrp>
        <OtherEmployeePaidOver50kCnt>5</OtherEmployeePaidOver50kCnt>
        <CompensationOfHghstPdCntrctGrp>
          <BusinessName>
            <BusinessNameLine1Txt>Munger Tolles &amp; Olson LLP</BusinessNameLine1Txt>
          </BusinessName>
          <USAddress>
            <AddressLine1Txt>350 S Grand Ave 50th Fl</AddressLine1Txt>
            <CityNm>Los Angeles</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>90071</ZIPCd>
          </USAddress>
          <ServiceTypeTxt>Legal counsel</ServiceTypeTxt>
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        <CompensationOfHghstPdCntrctGrp>
          <BusinessName>
            <BusinessNameLine1Txt>Wilshire Associates Inc</BusinessNameLine1Txt>
          </BusinessName>
          <USAddress>
            <AddressLine1Txt>1299 Ocean Avenue Ste 700</AddressLine1Txt>
            <CityNm>Santa Monica</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>90401</ZIPCd>
          </USAddress>
          <ServiceTypeTxt>Investment consultant</ServiceTypeTxt>
          <CompensationAmt>65268</CompensationAmt>
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      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp>
        <Description1Txt>The Foundation maintains an art collection, which it loans to museums for exhibition to the public. Most of the Foundation's art is on loan to the Norton Simon Museum.</Description1Txt>
        <Expenses1Amt>2322588</Expenses1Amt>
        <Description2Txt>Acquisition of equipment and miscellaneous capitalized expenditures for the promotion of the Foundation's charitable purpose.</Description2Txt>
        <Expenses2Amt>421058</Expenses2Amt>
        <Description3Txt>The Foundation produces scholarly catalogues on the collections displayed at the Norton Simon Museum.</Description3Txt>
        <Expenses3Amt>146859</Expenses3Amt>
        <Description4Txt>The Foundation conducts a series of art-related lectures and performances. From March 2020 forward, art related lectures and performances were presented to the public virtually.</Description4Txt>
        <Expenses4Amt>106813</Expenses4Amt>
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        <FMVAllOtherNoncharitableAstAmt>34780570</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>232736597</TotalFMVOfUnusedAssetsAmt>
        <ReductionClaimedAmt>0</ReductionClaimedAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>232736597</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>3491049</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>229245548</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>11462277</MinimumInvestmentReturnAmt>
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      <DistributableAmountGrp>
        <Sect4942j3j5FndtnAndFrgnOrgInd>X</Sect4942j3j5FndtnAndFrgnOrgInd>
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      <QualifyingDistriPartXIIGrp>
        <ExpensesAndContributionsAmt>2576260</ExpensesAndContributionsAmt>
        <CharitableAssetsAcquisPaidAmt>421058</CharitableAssetsAcquisPaidAmt>
        <QualifyingDistributionsAmt>2997318</QualifyingDistributionsAmt>
        <AdjustedQualifyingDistriAmt>2997318</AdjustedQualifyingDistriAmt>
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          <TotalAmt>12020409</TotalAmt>
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          <Year2Amt>2441811</Year2Amt>
          <Year3Amt>2918158</Year3Amt>
          <TotalAmt>10217348</TotalAmt>
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          <CurrentYearAmt>2997318</CurrentYearAmt>
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          <Year2Amt>2993793</Year2Amt>
          <Year3Amt>3055419</Year3Amt>
          <TotalAmt>12480877</TotalAmt>
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          <Year3Amt>3055419</Year3Amt>
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          <Desc>Management Fee Income</Desc>
          <RelatedOrExemptFunctionIncmAmt>372300</RelatedOrExemptFunctionIncmAmt>
        </ProgramServiceRevPartVIIGrp>
        <ProgramServiceRevPartVIIGrp>
          <Desc>Rental Income- Audio Tour</Desc>
          <RelatedOrExemptFunctionIncmAmt>5505</RelatedOrExemptFunctionIncmAmt>
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        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>887</ExclusionAmt>
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          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>2105632</ExclusionAmt>
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        <NetRntlIncmReNotDebtFincdProp>
          <ExclusionCd>16</ExclusionCd>
          <ExclusionAmt>1403589</ExclusionAmt>
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        <OtherInvestmentIncmPartVIIGrp>
          <ExclusionCd>15</ExclusionCd>
          <ExclusionAmt>178</ExclusionAmt>
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        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>-1759582</ExclusionAmt>
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        <GrossProfitLossSlsOfInvntryGrp>
          <RelatedOrExemptFunctionIncmAmt>827</RelatedOrExemptFunctionIncmAmt>
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        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>1750704</ExclusionAmt>
          <RelatedOrExemptFunctionIncmAmt>378632</RelatedOrExemptFunctionIncmAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>2129336</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <RlnOfActyToAccomOfExmptPrpsGrp>
        <RlnOfActyToAccomOfExmptPrpsGrp>
          <LineNumberTxt>1a</LineNumberTxt>
          <RelationshipStatementTxt>The Foundation provides support services to The Norton Simon Foundation (a 501(c)(3) organization) for a management fee.</RelationshipStatementTxt>
        </RlnOfActyToAccomOfExmptPrpsGrp>
        <RlnOfActyToAccomOfExmptPrpsGrp>
          <LineNumberTxt>1b</LineNumberTxt>
          <RelationshipStatementTxt>Audio Tours provide additional information on artwork in the Foundation's collection. They may be rented for a small fee.</RelationshipStatementTxt>
        </RlnOfActyToAccomOfExmptPrpsGrp>
        <RlnOfActyToAccomOfExmptPrpsGrp>
          <LineNumberTxt>10</LineNumberTxt>
          <RelationshipStatementTxt>Inventory sold is limited to scholarly art catalogues produced by the Foundation.</RelationshipStatementTxt>
        </RlnOfActyToAccomOfExmptPrpsGrp>
      </RlnOfActyToAccomOfExmptPrpsGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>false</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>false</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>false</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>false</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>false</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>false</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>false</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>false</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>false</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="AccountingFeesSchedule" softwareId="19009920" softwareVersionNum="2019v5.0">
      <AccountingFeesDetail>
        <CategoryTxt>Audit, tax and accounting fees</CategoryTxt>
        <Amt>34000</Amt>
        <NetInvestmentIncomeAmt>5060</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>8310</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>31825</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <CompensationExplanation documentId="CompensationExplanation" softwareId="19009920" softwareVersionNum="2019v5.0">
      <CompensationExplanationGrp>
        <PersonNm>Walter W Timoshuk</PersonNm>
        <ShortExplanationTxt>Mr. Timoshuk is also a Trustee and Chair. Employee benefit plans contribution amount includes $49,627 accrued to a nonqualified deferred compensation plan that is unfunded, unvested, and subject to a substantial risk of forfeiture.Reported amounts include $72,037 of compensation and $5,817 of benefits related to support services provided to The Norton Simon Foundation.</ShortExplanationTxt>
      </CompensationExplanationGrp>
      <CompensationExplanationGrp>
        <PersonNm>Ronald H Dykhuizen</PersonNm>
        <ShortExplanationTxt>Mr. Dykhuizen is also a Trustee, Vice President, Treasurer and Assistant Secretary. Employee benefit plans contribution amount includes $17,981 accrued to a nonqualified deferred compensation plan that is unfunded, unvested, and subject to a substantial risk of forfeiture. Reported amounts include $36,133 of compensation and $5,721 of benefits related to support services provided to The Norton Simon Foundation.</ShortExplanationTxt>
      </CompensationExplanationGrp>
      <CompensationExplanationGrp>
        <PersonNm>Stephanie Villasenor</PersonNm>
        <ShortExplanationTxt>Ms. Villasenor is also Vice President. Reported amounts include $31,406 of compensation and $4,028 of benefits related to support services provided to The Norton Simon Foundation.</ShortExplanationTxt>
      </CompensationExplanationGrp>
      <CompensationExplanationGrp>
        <PersonNm>Dr Michael E Phelps</PersonNm>
        <ShortExplanationTxt>Dr. Phelps is also Vice President.</ShortExplanationTxt>
      </CompensationExplanationGrp>
    </CompensationExplanation>
    <GainLossSaleOtherAssetsSch documentId="GainLossFromSaleOtherAssetsSch" softwareId="19009920" softwareVersionNum="2019v5.0">
      <GainLossSaleOtherAssetGrp>
        <AssetDesc>Light fixtures</AssetDesc>
        <AcquiredDt>2011-11</AcquiredDt>
        <HowAcquiredTxt>Purchase</HowAcquiredTxt>
        <SoldDt>2020-07</SoldDt>
        <PurchaserNameGrp>
          <PersonNm>Disposal of asset</PersonNm>
        </PurchaserNameGrp>
        <BasisAmt>4998</BasisAmt>
        <BasisMethodTxt>Cost</BasisMethodTxt>
        <TotalNetAmt>-500</TotalNetAmt>
        <AccumulatedDepreciationAmt>4498</AccumulatedDepreciationAmt>
      </GainLossSaleOtherAssetGrp>
      <GainLossSaleOtherAssetGrp>
        <AssetDesc>Adjust for Non-Book Gain/Loss</AssetDesc>
        <AcquiredDt>2010-01</AcquiredDt>
        <HowAcquiredTxt>Purchase</HowAcquiredTxt>
        <SoldDt>2020-01</SoldDt>
        <GrossSalesPriceAmt>2215818</GrossSalesPriceAmt>
        <BasisMethodTxt>FMV</BasisMethodTxt>
        <SalesExpenseAmt>615193</SalesExpenseAmt>
        <TotalNetAmt>-1600625</TotalNetAmt>
      </GainLossSaleOtherAssetGrp>
    </GainLossSaleOtherAssetsSch>
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      <InvestmentsCorporateStockGrp>
        <StockNm>BlackRock MSCI ACWI Min Vol Index Fund B</StockNm>
        <EOYBookValueAmt>40234646</EOYBookValueAmt>
        <EOYFMVAmt>40234646</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>EuroPacific Growth Fund</StockNm>
        <EOYBookValueAmt>40633336</EOYBookValueAmt>
        <EOYFMVAmt>40633336</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>JPMorgan U.S. Large Cap 130/30 Fund</StockNm>
        <EOYBookValueAmt>27597076</EOYBookValueAmt>
        <EOYFMVAmt>27597076</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>Principal Real Estate Securities Fund</StockNm>
        <EOYBookValueAmt>8948665</EOYBookValueAmt>
        <EOYFMVAmt>8948665</EOYFMVAmt>
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      <InvestmentsCorporateStockGrp>
        <StockNm>Vanguard Total Stock Market Index Fund</StockNm>
        <EOYBookValueAmt>24449257</EOYBookValueAmt>
        <EOYFMVAmt>24449257</EOYFMVAmt>
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    </InvestmentsCorpStockSchedule>
    <InvestmentsLandSchedule2 documentId="InvestmentsLandSchedule2" softwareId="19009920" softwareVersionNum="2019v5.0">
      <InvestmentLandGrp>
        <CategoryOrItemTxt>Buildings</CategoryOrItemTxt>
        <CostOrOtherBasisAmt>1249169</CostOrOtherBasisAmt>
        <AccumulatedDepreciationAmt>1249169</AccumulatedDepreciationAmt>
        <EOYFMVAmt>4700000</EOYFMVAmt>
      </InvestmentLandGrp>
      <InvestmentLandGrp>
        <CategoryOrItemTxt>Land</CategoryOrItemTxt>
        <CostOrOtherBasisAmt>1006391</CostOrOtherBasisAmt>
        <BookValueAmt>1006391</BookValueAmt>
        <EOYFMVAmt>30000000</EOYFMVAmt>
      </InvestmentLandGrp>
    </InvestmentsLandSchedule2>
    <InvestmentsOtherSchedule2 documentId="InvestmentsOtherSchedule2" softwareId="19009920" softwareVersionNum="2019v5.0">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>Dodge &amp; Cox Income Fund</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>43205995</BookValueAmt>
        <EOYFMVAmt>43205995</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>Vanguard Long-Term Treas Index Fund</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>7199063</BookValueAmt>
        <EOYFMVAmt>7199063</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>BlackRock US TIPS Lending Fund B</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>3055661</BookValueAmt>
        <EOYFMVAmt>3055661</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>The Weatherlow Offshore Fund I Ltd.</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>23184781</BookValueAmt>
        <EOYFMVAmt>23184781</EOYFMVAmt>
      </InvestmentsOtherGrp>
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>Hillcrest Beverly Oil Corp (Royalty Int)</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>863</BookValueAmt>
        <EOYFMVAmt>863</EOYFMVAmt>
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    </InvestmentsOtherSchedule2>
    <LandEtcSchedule2 documentId="LandEtcSchedule2" softwareId="19009920" softwareVersionNum="2019v5.0">
      <LandEtcGrp>
        <CategoryOrItemTxt>Furniture and Fixtures</CategoryOrItemTxt>
        <CostOrOtherBasisAmt>4058044</CostOrOtherBasisAmt>
        <AccumulatedDepreciationAmt>3343465</AccumulatedDepreciationAmt>
        <BookValueAmt>714579</BookValueAmt>
        <EOYFMVAmt>714579</EOYFMVAmt>
      </LandEtcGrp>
      <LandEtcGrp>
        <CategoryOrItemTxt>Machinery and Equipment</CategoryOrItemTxt>
        <CostOrOtherBasisAmt>823267</CostOrOtherBasisAmt>
        <AccumulatedDepreciationAmt>780212</AccumulatedDepreciationAmt>
        <BookValueAmt>43055</BookValueAmt>
        <EOYFMVAmt>43055</EOYFMVAmt>
      </LandEtcGrp>
      <LandEtcGrp>
        <CategoryOrItemTxt>Improvements</CategoryOrItemTxt>
        <CostOrOtherBasisAmt>28088</CostOrOtherBasisAmt>
        <AccumulatedDepreciationAmt>28088</AccumulatedDepreciationAmt>
      </LandEtcGrp>
    </LandEtcSchedule2>
    <LegalFeesSchedule documentId="LegalFeesSchedule" softwareId="19009920" softwareVersionNum="2019v5.0">
      <LegalFeesGrp>
        <CategoryTxt>Art related legal fees</CategoryTxt>
        <LegalFeesAmt>86932</LegalFeesAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>67398</DisbursementsCharitablePrpsAmt>
      </LegalFeesGrp>
      <LegalFeesGrp>
        <CategoryTxt>Employee benefits related legal fees</CategoryTxt>
        <LegalFeesAmt>7561</LegalFeesAmt>
        <NetInvestmentIncomeAmt>1739</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>1739</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>5529</DisbursementsCharitablePrpsAmt>
      </LegalFeesGrp>
    </LegalFeesSchedule>
    <OtherAssetsSchedule documentId="OtherAssetsSchedule" softwareId="19009920" softwareVersionNum="2019v5.0">
      <OtherAssetsScheduleGrp>
        <Desc>Collection of Art</Desc>
        <BOYBookValueAmt>158141018</BOYBookValueAmt>
        <EOYBookValueAmt>157983813</EOYBookValueAmt>
        <EOYFMVAmt>1798444640</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>Frames</Desc>
        <EOYBookValueAmt>148205</EOYBookValueAmt>
        <EOYFMVAmt>646072</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
      <OtherAssetsScheduleGrp>
        <Desc>Other</Desc>
        <EOYBookValueAmt>9000</EOYBookValueAmt>
        <EOYFMVAmt>9000</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSchedule" softwareId="19009920" softwareVersionNum="2019v5.0">
      <OtherExpensesScheduleGrp>
        <Desc>Advertising</Desc>
        <RevenueAndExpensesPerBooksAmt>27440</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>27134</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Audio tour expenses</Desc>
        <RevenueAndExpensesPerBooksAmt>16784</RevenueAndExpensesPerBooksAmt>
        <AdjustedNetIncomeAmt>5505</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>11279</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Auditorium events</Desc>
        <RevenueAndExpensesPerBooksAmt>14449</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>15049</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Conservation</Desc>
        <RevenueAndExpensesPerBooksAmt>39000</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>39000</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Consulting, curatorial</Desc>
        <RevenueAndExpensesPerBooksAmt>13938</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>18348</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Other</Desc>
        <RevenueAndExpensesPerBooksAmt>58387</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>48412</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Publicity</Desc>
        <RevenueAndExpensesPerBooksAmt>35098</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>30393</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Rights &amp; reproductions</Desc>
        <RevenueAndExpensesPerBooksAmt>330</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>330</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Scholarly catalogues</Desc>
        <RevenueAndExpensesPerBooksAmt>43478</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>59720</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Security system</Desc>
        <RevenueAndExpensesPerBooksAmt>71525</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>70759</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Signage</Desc>
        <RevenueAndExpensesPerBooksAmt>18959</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>17822</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Art Exp - Website development</Desc>
        <RevenueAndExpensesPerBooksAmt>21133</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>13055</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Insurance - Art</Desc>
        <RevenueAndExpensesPerBooksAmt>490881</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>483737</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Insurance - Crime</Desc>
        <RevenueAndExpensesPerBooksAmt>4490</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>4490</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>4490</AdjustedNetIncomeAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Insurance - Other</Desc>
        <RevenueAndExpensesPerBooksAmt>22043</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>5069</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>5069</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>16794</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Insurance - Property</Desc>
        <RevenueAndExpensesPerBooksAmt>4632</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>4632</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>18527</AdjustedNetIncomeAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Investment - Custodian fee</Desc>
        <RevenueAndExpensesPerBooksAmt>22728</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>22728</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>22728</AdjustedNetIncomeAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Management fee adjustment</Desc>
        <AdjustedNetIncomeAmt>286671</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>-286671</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Office Exp - Bank/payroll fees</Desc>
        <RevenueAndExpensesPerBooksAmt>17653</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>4061</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>4061</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>14061</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Office Exp - Comp supps/expenses</Desc>
        <RevenueAndExpensesPerBooksAmt>161160</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>37067</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>37067</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>113774</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Office Exp - Offsite storage</Desc>
        <RevenueAndExpensesPerBooksAmt>19969</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>4593</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>4593</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>17179</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Office Exp - Other</Desc>
        <RevenueAndExpensesPerBooksAmt>41205</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>9477</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>9477</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>30579</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Office Exp - Supplies &amp; postage</Desc>
        <RevenueAndExpensesPerBooksAmt>12359</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>2844</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>2844</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>9271</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Office Exp - Telephone</Desc>
        <RevenueAndExpensesPerBooksAmt>26692</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>6139</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>6139</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>18098</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>Rental Expenses</Desc>
        <RevenueAndExpensesPerBooksAmt>13895</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>13895</NetInvestmentIncomeAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSchedule2" softwareId="19009920" softwareVersionNum="2019v5.0">
      <OtherIncomeDetail>
        <Desc>Management Fee Income</Desc>
        <RevenueAndExpensesPerBooksAmt>372300</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>85629</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>372300</AdjustedNetIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>Other Investment Income</Desc>
        <RevenueAndExpensesPerBooksAmt>178</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>1685829</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>178</AdjustedNetIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>Rental Income- Audio Tour</Desc>
        <RevenueAndExpensesPerBooksAmt>5505</RevenueAndExpensesPerBooksAmt>
        <AdjustedNetIncomeAmt>5505</AdjustedNetIncomeAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherIncreasesSchedule documentId="OtherIncreasesSchedule" softwareId="19009920" softwareVersionNum="2019v5.0">
      <OtherIncreasesDetail>
        <Desc>Net change in unrealized gain on investment</Desc>
        <Amt>23913321</Amt>
      </OtherIncreasesDetail>
    </OtherIncreasesSchedule>
    <OtherProfessionalFeesSchedule documentId="OtherProfessionalFeesSchedule" softwareId="19009920" softwareVersionNum="2019v5.0">
      <OtherProfessionalFeesDetail>
        <CategoryTxt>Investment consulting fees</CategoryTxt>
        <Amt>65268</Amt>
        <NetInvestmentIncomeAmt>65268</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>65268</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherProfessionalFeesDetail>
      <OtherProfessionalFeesDetail>
        <CategoryTxt>Investment management fees</CategoryTxt>
        <Amt>82046</Amt>
        <NetInvestmentIncomeAmt>82046</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>82046</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherProfessionalFeesDetail>
      <OtherProfessionalFeesDetail>
        <CategoryTxt>Miscellaneous consulting fees</CategoryTxt>
        <Amt>2557</Amt>
        <NetInvestmentIncomeAmt>587</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>587</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>1970</DisbursementsCharitablePrpsAmt>
      </OtherProfessionalFeesDetail>
    </OtherProfessionalFeesSchedule>
    <SalesOfInventoryList documentId="SalesOfInventorySchedule" softwareId="19009920" softwareVersionNum="2019v5.0">
      <InventorySaleGrp>
        <GrossSalesAmt>1238</GrossSalesAmt>
        <CostOfGoodsSoldAmt>411</CostOfGoodsSoldAmt>
        <NetAmt>827</NetAmt>
      </InventorySaleGrp>
    </SalesOfInventoryList>
  </ReturnData>
</Return>