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    <ReturnTs>2026-02-25T16:38:02-06:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>274034436</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>The Bu Family Foundation</BusinessNameLine1Txt>
      </BusinessName>
      <InCareOfNm>% John Bu</InCareOfNm>
      <BusinessNameControlTxt>BUFA</BusinessNameControlTxt>
      <PhoneNum>9733038817</PhoneNum>
      <USAddress>
        <AddressLine1Txt>85 Winged Foot Drive</AddressLine1Txt>
        <CityNm>Livingston</CityNm>
        <StateAbbreviationCd>NJ</StateAbbreviationCd>
        <ZIPCd>07039</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JOHN BU</PersonNm>
      <PersonTitleTxt>Trustee</PersonTitleTxt>
      <PhoneNum>9733766261</PhoneNum>
      <SignatureDt>2026-02-25</SignatureDt>
    </BusinessOfficerGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
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  <ReturnData documentCnt="5">
    <IRS990PF documentId="IRS990PF-147-Copy1">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>895895</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AnalysisOfRevenueAndExpenses>
        <DividendsRevAndExpnssAmt>23869</DividendsRevAndExpnssAmt>
        <DividendsNetInvstIncmAmt>23869</DividendsNetInvstIncmAmt>
        <DividendsAdjNetIncmAmt>23869</DividendsAdjNetIncmAmt>
        <CapGainNetIncmNetInvstIncmAmt>329396</CapGainNetIncmNetInvstIncmAmt>
        <TotalRevAndExpnssAmt>23869</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>353265</TotalNetInvstIncmAmt>
        <TotalAdjNetIncmAmt>23869</TotalAdjNetIncmAmt>
        <TaxesRevAndExpnssAmt referenceDocumentId="TaxesSchedule-147-Copy1">160</TaxesRevAndExpnssAmt>
        <PrintingAndPubRevAndExpnssAmt>135</PrintingAndPubRevAndExpnssAmt>
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        <TotOprExpensesDsbrsChrtblAmt>0</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>50632</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>50632</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>50927</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>0</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>50632</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>-27058</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>353265</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>23869</AdjustedNetIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <CashBOYAmt>7109</CashBOYAmt>
        <CashEOYAmt>6819</CashEOYAmt>
        <CashEOYFMVAmt>6819</CashEOYFMVAmt>
        <SavAndTempCashInvstBOYAmt>870425</SavAndTempCashInvstBOYAmt>
        <SavAndTempCashInvstEOYAmt>889076</SavAndTempCashInvstEOYAmt>
        <SavAndTempCashInvstEOYFMVAmt>889076</SavAndTempCashInvstEOYFMVAmt>
        <TotalAssetsBOYAmt>877534</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>895895</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>895895</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesBOYAmt>0</TotalLiabilitiesBOYAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
        <NoDonorRstrNetAssestsBOYAmt>877534</NoDonorRstrNetAssestsBOYAmt>
        <NoDonorRstrNetAssestsEOYAmt>895895</NoDonorRstrNetAssestsEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>877534</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>895895</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>877534</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>895895</TotalLiabilitiesNetAstEOYAmt>
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      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>877534</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>-27058</ExcessRevenueOverExpensesAmt>
        <OtherIncreasesAmt referenceDocumentId="OtherIncreasesSchedu-155-Copy1">45419</OtherIncreasesAmt>
        <SubtotalAmt>895895</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>895895</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <CapGainsLossTxInvstIncmDetail>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>Vanguard S&amp;P 500 Various Dates</PropertyDesc>
          <HowAcquiredCd>P</HowAcquiredCd>
          <AcquiredDt>2022-01-01</AcquiredDt>
          <SoldDt>2025-06-30</SoldDt>
          <GrossSalesPriceAmt>848207</GrossSalesPriceAmt>
          <CostOrOtherBasisAmt>518811</CostOrOtherBasisAmt>
          <GainOrLossAmt>329396</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>329396</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapitalGainNetIncomeAmt>329396</CapitalGainNetIncomeAmt>
      </CapGainsLossTxInvstIncmDetail>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>4910</InvestmentIncomeExciseTaxAmt>
        <SubtotalAmt>4910</SubtotalAmt>
        <SubtitleATaxAmt>0</SubtitleATaxAmt>
        <TaxBasedOnInvestmentIncomeAmt>4910</TaxBasedOnInvestmentIncomeAmt>
        <ExemptFrgnOrgTaxWthldAtSrceAmt>0</ExemptFrgnOrgTaxWthldAtSrceAmt>
        <Form2220AttachedInd referenceDocumentId="IRS2220-36-Copy1">X</Form2220AttachedInd>
        <EsPenaltyAmt>6</EsPenaltyAmt>
        <TaxDueAmt>4916</TaxDueAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>true</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>true</AtLeast5000InAssetsInd>
        <Form990PFFiledWithAttyGenInd referenceDocumentId="ExplnOfNonFilingWith-158-Copy1">false</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>false</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd referenceDocumentId="DonorAdvisedFundStmt-158-Copy1">true</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <PersonsWithBooksName>
          <BusinessNameLine1Txt>Jennifer Bu</BusinessNameLine1Txt>
        </PersonsWithBooksName>
        <PhoneNum>9733038817</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>85 Winged Foot Drive</AddressLine1Txt>
          <CityNm>Livingston</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>07039</ZIPCd>
        </LocationOfBooksUSAddress>
        <ForeignAccountsQuestionInd>false</ForeignAccountsQuestionInd>
      </StatementsRegardingActyGrp>
      <StatementsRegardingActy4720Grp>
        <SaleOrExchDisqualifiedPrsnInd>false</SaleOrExchDisqualifiedPrsnInd>
        <BrrwOrLendDisqualifiedPrsnInd>false</BrrwOrLendDisqualifiedPrsnInd>
        <FurnGoodsDisqualifiedPrsnInd>false</FurnGoodsDisqualifiedPrsnInd>
        <PayCompDisqualifiedPrsnInd>false</PayCompDisqualifiedPrsnInd>
        <TransferAstDisqualifiedPrsnInd>false</TransferAstDisqualifiedPrsnInd>
        <PaymentToGovernmentOfficialInd>false</PaymentToGovernmentOfficialInd>
        <ActsFailToQlfyAsExceptionsInd>false</ActsFailToQlfyAsExceptionsInd>
        <UncorrectedPriorActsInd>false</UncorrectedPriorActsInd>
        <UndistributedIncomePYInd>false</UndistributedIncomePYInd>
        <UndistrIncmSect4942a2NotAppInd>false</UndistrIncmSect4942a2NotAppInd>
        <BusinessHoldingsInd>false</BusinessHoldingsInd>
        <ExcessBusinessHoldingsInd>false</ExcessBusinessHoldingsInd>
        <JeopardyInvestmentsInd>false</JeopardyInvestmentsInd>
        <UncorrectedPYJeopardyInvstInd>false</UncorrectedPYJeopardyInvstInd>
        <InfluenceLegislationInd>false</InfluenceLegislationInd>
        <InfluenceElectionInd>false</InfluenceElectionInd>
        <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
        <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
        <NoncharitablePurposeInd>false</NoncharitablePurposeInd>
        <TransactionsFailToQlfyAsExcInd>false</TransactionsFailToQlfyAsExcInd>
        <MaintainedExpenditureRspnsInd>false</MaintainedExpenditureRspnsInd>
        <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
        <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
        <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
        <ProceedsOrNetIncomeInd>false</ProceedsOrNetIncomeInd>
        <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      </StatementsRegardingActy4720Grp>
      <OfficerDirTrstKeyEmplInfoGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>JOHN BU</PersonNm>
          <USAddress>
            <AddressLine1Txt>c/o 85 Winged Foot Dr</AddressLine1Txt>
            <CityNm>Livingston</CityNm>
            <StateAbbreviationCd>NJ</StateAbbreviationCd>
            <ZIPCd>07039</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>JENNIFER BU</PersonNm>
          <USAddress>
            <AddressLine1Txt>c/0 85 Winged Foot Dr</AddressLine1Txt>
            <CityNm>Livingston</CityNm>
            <StateAbbreviationCd>NJ</StateAbbreviationCd>
            <ZIPCd>07039</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <OtherEmployeePaidOver50kCnt>0</OtherEmployeePaidOver50kCnt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
        <ContractorPaidOver50kCnt>0</ContractorPaidOver50kCnt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp>
        <Description1Txt>Please note The foundation is not involved in any direct charitable activities Its primary purpose is to support other 501c3 charities</Description1Txt>
        <Expenses1Amt>0</Expenses1Amt>
      </SummaryOfDirectChrtblActyGrp>
      <SumOfProgramRelatedInvstGrp>
        <Description1Txt>NONE</Description1Txt>
        <Expenses1Amt>0</Expenses1Amt>
      </SumOfProgramRelatedInvstGrp>
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>890195</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>6886</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>0</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>897081</TotalFMVOfUnusedAssetsAmt>
        <ReductionClaimedAmt>0</ReductionClaimedAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>897081</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>13456</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>883625</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>44181</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>44181</MinimumInvestmentReturnAmt>
        <TaxBasedOnInvestmentIncomeAmt>4910</TaxBasedOnInvestmentIncomeAmt>
        <TotalTaxAmt>4910</TotalTaxAmt>
        <DistributableBeforeAdjAmt>39271</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>39271</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>39271</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>50632</ExpensesAndContributionsAmt>
        <QualifyingDistributionsAmt>50632</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>39271</DistributableAsAdjustedAmt>
        <QualifyingDistributionsAmt>50632</QualifyingDistributionsAmt>
        <AppliedToPriorYearsAmt>0</AppliedToPriorYearsAmt>
        <TreatedAsDistriFromCorpusAmt>0</TreatedAsDistriFromCorpusAmt>
        <RemainingDistriFromCorpusAmt>50632</RemainingDistriFromCorpusAmt>
        <TotalCorpusAmt>50632</TotalCorpusAmt>
        <UndistributedIncomeCYAmt>39271</UndistributedIncomeCYAmt>
        <ExcessDistriCyovToNextYrAmt>50632</ExcessDistriCyovToNextYrAmt>
        <ExcessFromCurrentYearAmt>50632</ExcessFromCurrentYearAmt>
      </UndistributedIncomeGrp>
      <PrivateOperatingFoundationsGrp>
        <LessorAdjNetIncmMinInvstRetGrp>
          <CurrentYearAmt>0</CurrentYearAmt>
          <TotalAmt>0</TotalAmt>
        </LessorAdjNetIncmMinInvstRetGrp>
        <QualifyingDistributionsGrp>
          <TotalAmt>0</TotalAmt>
        </QualifyingDistributionsGrp>
      </PrivateOperatingFoundationsGrp>
      <SupplementaryInformationGrp>
        <ContributingManagerNm>JOHN AND JENNIFER BU</ContributingManagerNm>
        <ShareholderManagerNm>NA</ShareholderManagerNm>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>2x4 Foundation</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>PO Box 20752</AddressLine1Txt>
            <CityNm>New York</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10023</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>None</RecipientRelationshipTxt>
          <RecipientFoundationStatusCd>PF</RecipientFoundationStatusCd>
          <GrantOrContributionPurposeTxt>General charitable purpose</GrantOrContributionPurposeTxt>
          <Amt>10000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Vanguard Charitable</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>2670 Warwick Avenue</AddressLine1Txt>
            <CityNm>Warwick</CityNm>
            <StateAbbreviationCd>RI</StateAbbreviationCd>
            <ZIPCd>02889</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusCd>PF</RecipientFoundationStatusCd>
          <GrantOrContributionPurposeTxt>General charitable purpose</GrantOrContributionPurposeTxt>
          <Amt>40632</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>50632</TotalGrantOrContriPdDurYrAmt>
        <TotalGrantOrContriApprvFutAmt>0</TotalGrantOrContriApprvFutAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <DividendsAndInterestFromSecDtl>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>23869</ExclusionAmt>
        </DividendsAndInterestFromSecDtl>
        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>23869</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>23869</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <RlnOfActyToAccomOfExmptPrpsGrp>
        <RlnOfActyToAccomOfExmptPrpsGrp>
          <LineNumberTxt>4</LineNumberTxt>
          <RelationshipStatementTxt>Activity solely to provide funds for foundation exempt purpose</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>
    <IRS990ScheduleB documentId="IRS990ScheduleB-190-Copy1">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
    </IRS990ScheduleB>
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      <ExplanationTxt>NJ does not require a filing</ExplanationTxt>
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    <OtherIncreasesSchedule documentId="OtherIncreasesSchedu-155-Copy1">
      <OtherIncreasesDetail>
        <Desc>Mark to market</Desc>
        <Amt>45419</Amt>
      </OtherIncreasesDetail>
    </OtherIncreasesSchedule>
    <TaxesSchedule documentId="TaxesSchedule-147-Copy1">
      <TaxesDetail>
        <CategoryTxt>Taxes</CategoryTxt>
        <Amt>160</Amt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>