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        <ExcessFromYear1Amt>0</ExcessFromYear1Amt>
        <ExcessFromCurrentYearAmt>0</ExcessFromCurrentYearAmt>
      </UndistributedIncomeGrp>
      <PrivateOperatingFoundationsGrp></PrivateOperatingFoundationsGrp>
      <SupplementaryInformationGrp>
        <ContributingManagerNm>DONALD BREN</ContributingManagerNm>
        <ShareholderManagerNm>NA</ShareholderManagerNm>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>CALIFORNIA INSTITUTE OF TECHNOLOGY</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1200 E CALIFORNIA BOULEVARD</AddressLine1Txt>
            <CityNm>PASADENA</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>91125</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>TO SUPPORT THE MISSION OF THE RECIPIENT ORGANIZATION</GrantOrContributionPurposeTxt>
          <Amt>8558602</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Irvine Unified School District</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>5050 Barranca Pkwy</AddressLine1Txt>
            <CityNm>Irvine</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>92604</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>None</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>To support the mission of the recipient organization</GrantOrContributionPurposeTxt>
          <Amt>2000000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>10558602</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <FeesContractsFromGovtAgGrp />
        <MembershipDuesAndAssmntGrp />
        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>3845</ExclusionAmt>
        </IntOnSavAndTempCashInvstGrp>
        <DividendsAndInterestFromSecDtl>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>2840320</ExclusionAmt>
        </DividendsAndInterestFromSecDtl>
        <NetRntlIncmReDebtFincdPropGrp />
        <NetRntlIncmReNotDebtFincdProp />
        <NetRentalIncomePersonalPropGrp />
        <OtherInvestmentIncomeGrp />
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>5870640</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <NetIncomeLossFromSpecialEvtGrp />
        <GrossProfitLossSlsOfInvntryGrp />
        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>8714805</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>8714805</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <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>true</RelationshipsNonchrtblEOInd>
        <RelationshipScheduleDetail>
          <OrganizationBusinessName>
            <BusinessNameLine1Txt>IRVINE RANCH CONSER</BusinessNameLine1Txt>
          </OrganizationBusinessName>
          <OrganizationTypeDesc>501(C)(4)</OrganizationTypeDesc>
          <RelationshipDescriptionTxt>COMMON DIRECTOR</RelationshipDescriptionTxt>
        </RelationshipScheduleDetail>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="AccountingFeesSch">
      <AccountingFeesDetail>
        <CategoryTxt>AUDIT SERVICES</CategoryTxt>
        <Amt>23000</Amt>
        <NetInvestmentIncomeAmt>9200</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>13800</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
      <AccountingFeesDetail>
        <CategoryTxt>TAX PREPARATION SERVICES</CategoryTxt>
        <Amt>11280</Amt>
        <NetInvestmentIncomeAmt>2256</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>9024</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
      <AccountingFeesDetail>
        <CategoryTxt>AGREED UPON PROCEDURES</CategoryTxt>
        <Amt>2500</Amt>
        <NetInvestmentIncomeAmt>2500</NetInvestmentIncomeAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <AllOthProgRltdInvestmentsSch documentId="AllOthProgInvSch">
      <AllOtherProgramRelatedInvstGrp>
        <Desc>N/A</Desc>
      </AllOtherProgramRelatedInvstGrp>
    </AllOthProgRltdInvestmentsSch>
    <DepreciationSchedule documentId="DepreciationSch" />
    <InvestmentsCorpStockSchedule documentId="InvestCorpStockSch">
      <InvestmentsCorporateStockGrp>
        <StockNm>APPLE INC</StockNm>
        <EOYBookValueAmt>169633708</EOYBookValueAmt>
        <EOYFMVAmt>169633708</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>BLACKROCK INC</StockNm>
        <EOYBookValueAmt>15024600</EOYBookValueAmt>
        <EOYFMVAmt>15024600</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>JP MORGAN CHASE &amp; CO</StockNm>
        <EOYBookValueAmt>40201838</EOYBookValueAmt>
        <EOYFMVAmt>40201838</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>MICROSOFT CORP</StockNm>
        <EOYBookValueAmt>19949612</EOYBookValueAmt>
        <EOYFMVAmt>19949612</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>SPDR S&amp;P 500 ETF TRUST</StockNm>
        <EOYBookValueAmt>9688459</EOYBookValueAmt>
        <EOYFMVAmt>9688459</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>VANGUARD S&amp;P 500 ETF</StockNm>
        <EOYBookValueAmt>4762287</EOYBookValueAmt>
        <EOYFMVAmt>4762287</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <LegalFeesSchedule documentId="LegalFeesSch">
      <LegalFeesGrp>
        <CategoryTxt>AUDIT LETTER RESPONSE</CategoryTxt>
        <LegalFeesAmt>981</LegalFeesAmt>
        <DisbursementsCharitablePrpsAmt>981</DisbursementsCharitablePrpsAmt>
      </LegalFeesGrp>
      <LegalFeesGrp>
        <CategoryTxt>BYLAWS CHARGE</CategoryTxt>
        <LegalFeesAmt>1368</LegalFeesAmt>
        <DisbursementsCharitablePrpsAmt>1368</DisbursementsCharitablePrpsAmt>
      </LegalFeesGrp>
    </LegalFeesSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSch">
      <OtherExpensesScheduleGrp>
        <Desc>NPV DISCOUNT AMORTIZATION</Desc>
        <RevenueAndExpensesPerBooksAmt>538781</RevenueAndExpensesPerBooksAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>DOMAIN PRIVACY RENEWAL</Desc>
        <RevenueAndExpensesPerBooksAmt>15</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>15</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>ANNUAL STATE FILING FEES</Desc>
        <RevenueAndExpensesPerBooksAmt>400</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>400</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncreasesSchedule documentId="OtherIncreasesSch">
      <OtherIncreasesDetail>
        <Desc>UNREALIZED GAINS ON SECURITIES</Desc>
        <Amt>44298242</Amt>
      </OtherIncreasesDetail>
    </OtherIncreasesSchedule>
    <OtherLiabilitiesSchedule documentId="OtherLiabSch">
      <OtherLiabilitiesDetail>
        <Desc>DEFERRED INCOME TAXES PAYABLE</Desc>
        <BOYBookValueAmt>2330931</BOYBookValueAmt>
        <EOYBookValueAmt>2946676</EOYBookValueAmt>
      </OtherLiabilitiesDetail>
    </OtherLiabilitiesSchedule>
    <TaxesSchedule documentId="TaxesSchedule">
      <TaxesDetail>
        <CategoryTxt>DEFERRED EXCISE TAXES</CategoryTxt>
        <Amt>615746</Amt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>FEDERAL EXCISE TAXES</CategoryTxt>
        <Amt>45622</Amt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>
