﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v5.1" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-14T17:25:23-08:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Celeste W Moye CPA</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>255 Karen Way</AddressLine1Txt>
        <CityNm>Tiburon</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94920</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>872351704</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>Rothenberg Endowment Fund</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>ROTH</BusinessNameControlTxt>
      <PhoneNum>9259337777</PhoneNum>
      <USAddress>
        <AddressLine1Txt>2125 Oak Grove Road 210</AddressLine1Txt>
        <CityNm>Walnut Creek</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>94598</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Bernard Notas</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <SignatureDt>2024-11-14</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>Celeste Moye</PreparerPersonNm>
      <PTIN>P00898195</PTIN>
      <PhoneNum>4156720559</PhoneNum>
      <SelfEmployedInd>X</SelfEmployedInd>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="3">
    <IRS990PF documentId="IRS990PF" referenceDocumentId="GeneralExplanation" softwareId="23017517" softwareVersionNum="2023v5.1">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>8876146</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AnalysisOfRevenueAndExpenses>
        <ContriRcvdRevAndExpnssAmt>102000</ContriRcvdRevAndExpnssAmt>
        <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
        <DividendsRevAndExpnssAmt>554288</DividendsRevAndExpnssAmt>
        <DividendsNetInvstIncmAmt>554288</DividendsNetInvstIncmAmt>
        <DividendsAdjNetIncmAmt>554288</DividendsAdjNetIncmAmt>
        <TotalRevAndExpnssAmt>656288</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>554288</TotalNetInvstIncmAmt>
        <TotalAdjNetIncmAmt>554288</TotalAdjNetIncmAmt>
        <AccountingFeesRevAndExpnssAmt referenceDocumentId="AccountingFeesSchedule">2000</AccountingFeesRevAndExpnssAmt>
        <TaxesRevAndExpnssAmt referenceDocumentId="TaxesSchedule">4823</TaxesRevAndExpnssAmt>
        <TaxesNetInvstIncmAmt>1309</TaxesNetInvstIncmAmt>
        <TotOprExpensesRevAndExpnssAmt>6823</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>1309</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>0</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>342186</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>342186</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>349009</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>1309</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>342186</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>307279</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>552979</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>554288</AdjustedNetIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <SavAndTempCashInvstBOYAmt>307905</SavAndTempCashInvstBOYAmt>
        <SavAndTempCashInvstEOYAmt>471374</SavAndTempCashInvstEOYAmt>
        <SavAndTempCashInvstEOYFMVAmt>471374</SavAndTempCashInvstEOYFMVAmt>
        <PrepaidExpensesBOYAmt>139</PrepaidExpensesBOYAmt>
        <CorporateBondsBOYAmt>2615861</CorporateBondsBOYAmt>
        <CorporateBondsEOYAmt>2610145</CorporateBondsEOYAmt>
        <CorporateBondsEOYFMVAmt>2230191</CorporateBondsEOYFMVAmt>
        <OtherInvestmentsBOYAmt>6827510</OtherInvestmentsBOYAmt>
        <OtherInvestmentsEOYAmt>6977175</OtherInvestmentsEOYAmt>
        <OtherInvestmentsEOYFMVAmt>6174581</OtherInvestmentsEOYFMVAmt>
        <TotalAssetsBOYAmt>9751415</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>10058694</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>8876146</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
        <RetainedEarningBOYAmt>9751415</RetainedEarningBOYAmt>
        <RetainedEarningEOYAmt>10058694</RetainedEarningEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>9751415</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>10058694</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>9751415</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>10058694</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>9751415</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>307279</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>10058694</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>10058694</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>7686</InvestmentIncomeExciseTaxAmt>
        <SubtotalAmt>7686</SubtotalAmt>
        <TaxBasedOnInvestmentIncomeAmt>7686</TaxBasedOnInvestmentIncomeAmt>
        <Form2220AttachedInd referenceDocumentId="IRS2220">X</Form2220AttachedInd>
        <EsPenaltyAmt>164</EsPenaltyAmt>
        <TaxDueAmt>7850</TaxDueAmt>
        <AppliedToESTaxAmt>0</AppliedToESTaxAmt>
      </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>
        <OrgReportOrRegisterStateCd>CA</OrgReportOrRegisterStateCd>
        <Form990PFFiledWithAttyGenInd>true</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>false</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
        <PersonsWithBooksName>
          <BusinessNameLine1Txt>Bernie Notas</BusinessNameLine1Txt>
        </PersonsWithBooksName>
        <PhoneNum>9253304656</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>90 Via Aspero</AddressLine1Txt>
          <CityNm>Alamo</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>94507</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>
        <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>Craig Judson</PersonNm>
          <USAddress>
            <AddressLine1Txt>2125 Oak Grove Road</AddressLine1Txt>
            <CityNm>Walnut Creek</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94598</ZIPCd>
          </USAddress>
          <TitleTxt>Secretary</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Bernard Notas</PersonNm>
          <USAddress>
            <AddressLine1Txt>90 Via Aspero</AddressLine1Txt>
            <CityNm>Alamo</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94507</ZIPCd>
          </USAddress>
          <TitleTxt>Chairman</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Elliot Kallen</PersonNm>
          <USAddress>
            <AddressLine1Txt>411 Read Drive</AddressLine1Txt>
            <CityNm>Lafayette</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94549</ZIPCd>
          </USAddress>
          <TitleTxt>Director</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Timothy Plattner</PersonNm>
          <USAddress>
            <AddressLine1Txt>3503 Shadow Creek Drive</AddressLine1Txt>
            <CityNm>Danville</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94506</ZIPCd>
          </USAddress>
          <TitleTxt>Director</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>James Liston</PersonNm>
          <USAddress>
            <AddressLine1Txt>832 Foxtail Court</AddressLine1Txt>
            <CityNm>Walnut Creek</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94598</ZIPCd>
          </USAddress>
          <TitleTxt>Director</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>0.00</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompOfHghstPdEmplOrNONETxt>NONE</CompOfHghstPdEmplOrNONETxt>
        <CompOfHghstPdCntrctOrNONETxt>NONE</CompOfHghstPdCntrctOrNONETxt>
      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp>
        <Description1Txt>The Endowment Fund invests so as to maintain, protect, and grow the principal endowment funds from benefactors and to provide annual funds for general utilities and operating expenses of the Congregation B'nai Shalom.</Description1Txt>
        <Expenses1Amt>345700</Expenses1Amt>
      </SummaryOfDirectChrtblActyGrp>
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>7460331</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>552939</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>0</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>8013270</TotalFMVOfUnusedAssetsAmt>
        <ReductionClaimedAmt>0</ReductionClaimedAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>8013270</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>120199</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>7893071</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>394654</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>394654</MinimumInvestmentReturnAmt>
        <TaxBasedOnInvestmentIncomeAmt>7686</TaxBasedOnInvestmentIncomeAmt>
        <TotalTaxAmt>7686</TotalTaxAmt>
        <DistributableBeforeAdjAmt>386968</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>386968</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>386968</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>342186</ExpensesAndContributionsAmt>
        <QualifyingDistributionsAmt>342186</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>386968</DistributableAsAdjustedAmt>
        <UndistributedIncomePYAmt>213561</UndistributedIncomePYAmt>
        <QualifyingDistributionsAmt>342186</QualifyingDistributionsAmt>
        <AppliedToYear1Amt>213561</AppliedToYear1Amt>
        <TreatedAsDistriFromCorpusAmt>0</TreatedAsDistriFromCorpusAmt>
        <AppliedToCurrentYearAmt>128625</AppliedToCurrentYearAmt>
        <UndistributedIncomeCYAmt>258343</UndistributedIncomeCYAmt>
      </UndistributedIncomeGrp>
      <SupplementaryInformationGrp>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Congregation Bnai Shalom</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>74 Eckley Lane</AddressLine1Txt>
            <CityNm>Walnut Creek</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94596</ZIPCd>
          </RecipientUSAddress>
          <RecipientFoundationStatusTxt>NC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>Operating Expenses</GrantOrContributionPurposeTxt>
          <Amt>342186</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>342186</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <DividendsAndInterestFromSecDtl>
          <RelatedOrExemptFunctionIncmAmt>554288</RelatedOrExemptFunctionIncmAmt>
        </DividendsAndInterestFromSecDtl>
        <SubtotalsIncmProducingActyGrp>
          <RelatedOrExemptFunctionIncmAmt>554288</RelatedOrExemptFunctionIncmAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>554288</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>false</RelationshipsNonchrtblEOInd>
      </TrnsfrTransRlnNonchrtblEOGrp>
    </IRS990PF>
    <AccountingFeesSchedule documentId="AccountingFeesSchedule" softwareId="23017517" softwareVersionNum="2023v5.1">
      <AccountingFeesDetail>
        <CategoryTxt>Tax Preparation</CategoryTxt>
        <Amt>2000</Amt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <TaxesSchedule documentId="TaxesSchedule" softwareId="23017517" softwareVersionNum="2023v5.1">
      <TaxesDetail>
        <CategoryTxt>Federal 990 PF Taxes</CategoryTxt>
        <Amt>3514</Amt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>Foreign Taxes on Investments</CategoryTxt>
        <Amt>1309</Amt>
        <NetInvestmentIncomeAmt>1309</NetInvestmentIncomeAmt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>