﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2023v5.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-14T15:32:23-06:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>991856619</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>GRANT THORNTON ADVISORS LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>757 THIRD AVENUE 3RD FLOOR</AddressLine1Txt>
        <CityNm>NEW YORK</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>100172013</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>461404597</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>THE ICAHN MEDICAL RESEARCH FOUNDATION</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>C/O ICAHN ASSOCIATES HOLDING LLC</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>ICAH</BusinessNameControlTxt>
      <PhoneNum>3054224000</PhoneNum>
      <USAddress>
        <AddressLine1Txt>16690 COLLINS AVE 12TH FLOOR</AddressLine1Txt>
        <CityNm>SUNNY ISLES BEACH</CityNm>
        <StateAbbreviationCd>FL</StateAbbreviationCd>
        <ZIPCd>33160</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>GREGORY BONYNE</PersonNm>
      <PersonTitleTxt>VP-TAXES</PersonTitleTxt>
      <PhoneNum>3054224000</PhoneNum>
      <SignatureDt>2024-11-14</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>SCOTT THOMPSETT</PreparerPersonNm>
      <PTIN>P00741490</PTIN>
      <PhoneNum>2125990100</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="7">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>CARL C ICAHN</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>16690 COLLINS AVE 12TH FLOOR</AddressLine1Txt>
        <CityNm>SUNNY ISLES BEACH</CityNm>
        <StateAbbreviationCd>FL</StateAbbreviationCd>
        <ZIPCd>33160</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>21749274</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>2012</FormationYr>
      <LegalDomicileStateCd>DE</LegalDomicileStateCd>
      <ActivityOrMissionDesc>TO CONDUCT MEDICAL RESEARCH WITH HOSPITALS TO TREAT/PREVENT DISEASE.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>1</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>0</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>0</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>1889903</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>21747386</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>0</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>0</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>1105</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>1888</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>1891008</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>21749274</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>0</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>3248231</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>970336</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>10974400</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>3217625</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>14222631</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>4187961</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>-12331623</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>17561313</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>116319039</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>86080352</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>110203990</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>62403990</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>6115049</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>23676362</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>THE ICAHN MEDICAL RESEARCH FOUNDATION'S MISSION IS TO CONDUCT MEDICAL RESEARCH IN CONJUNCTION WITH ONE OR MORE HOSPITALS IN ORDER TO DISCOVER, DEVELOP, OR VERIFY KNOWLEDGE RELATING TO THE CAUSES, DIAGNOSIS, TREATMENT, PREVENTION, OR CONTROL OF DISEASE.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>4131492</ExpenseAmt>
      <Desc>THE FOUNDATION DIRECTLY ENGAGES IN THE CONTINUOUS ACTIVE CONDUCT OF MEDICAL RESEARCH WITH MOUNT SINAI HOSPITAL. ALL OF THE FOUNDATION'S ACTIVITIES INVOLVE THE CONDUCT OF RESEARCH TO DISCOVER, DEVELOP, OR VERIFY KNOWLEDGE RELATING TO THE CAUSES, DIAGNOSIS, TREATMENT, PREVENTION OR CONTROL OF DISEASE. IN 2023, THE FOUNDATION DID NOT GENERATE REVENUE ASSOCIATED WITH THESE SERVICES.</Desc>
      <TotalProgramServiceExpensesAmt>4131492</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd>0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>0</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">1</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>0</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>1</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>0</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>1</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>0</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>0</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>DE</StatesWhereCopyOfReturnIsFldCd>
      <StatesWhereCopyOfReturnIsFldCd>NY</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>ROWELLA ASUNCION-GUMABONG</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>3054224000</PhoneNum>
        <USAddress>
          <AddressLine1Txt>16690 COLLINS AVE 12TH FLOOR</AddressLine1Txt>
          <CityNm>SUNNY ISLES BEACH</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>33160</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <InfoInScheduleOPartVIIInd>X</InfoInScheduleOPartVIIInd>
      <Form990PartVIISectionAGrp>
        <PersonNm>CARL C ICAHN</PersonNm>
        <TitleTxt>PRESIDENT, DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GAIL GOLDEN-ICAHN</PersonNm>
        <TitleTxt>VP, SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JORDAN BLEZNICK</PersonNm>
        <TitleTxt>VICE PRESIDENT/TAXES (THRU 04/23)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GREGORY L BONYNE</PersonNm>
        <TitleTxt>VICE PRESIDENT/TAXES (AS OF 05/23)</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ROWELLA ASUNCION-GUMABONG</PersonNm>
        <TitleTxt>VP, TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JESSE LYNN</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>HUNTER GARY</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SCHAHRAM AKBARIAN</PersonNm>
        <TitleTxt>ICAHN SCHOLAR</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>141068</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>10932</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>141068</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>10932</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>1</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>21747386</AllOtherContributionsAmt>
      <TotalContributionsAmt>21747386</TotalContributionsAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>1888</TotalRevenueColumnAmt>
        <ExclusionAmt>1888</ExclusionAmt>
      </InvestmentIncomeGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>21749274</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1888</ExclusionAmt>
      </TotalRevenueGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>804784</TotalAmt>
        <ProgramServicesAmt>804784</ProgramServicesAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>50441</TotalAmt>
        <ProgramServicesAmt>50441</ProgramServicesAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>66250</TotalAmt>
        <ProgramServicesAmt>66250</ProgramServicesAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>48861</TotalAmt>
        <ProgramServicesAmt>48861</ProgramServicesAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>12974</TotalAmt>
        <ManagementAndGeneralAmt>12974</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>38281</TotalAmt>
        <ManagementAndGeneralAmt>38281</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <OccupancyGrp>
        <TotalAmt>3029664</TotalAmt>
        <ProgramServicesAmt>3029664</ProgramServicesAmt>
      </OccupancyGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>131492</TotalAmt>
        <ProgramServicesAmt>131492</ProgramServicesAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>4111</TotalAmt>
        <ManagementAndGeneralAmt>4111</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>FILING FEES</Desc>
        <TotalAmt>760</TotalAmt>
        <ManagementAndGeneralAmt>760</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>OUTSIDE SERVICES</Desc>
        <TotalAmt>343</TotalAmt>
        <ManagementAndGeneralAmt>343</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>4187961</TotalAmt>
        <ProgramServicesAmt>4131492</ProgramServicesAmt>
        <ManagementAndGeneralAmt>56469</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>11688</BOYAmt>
        <EOYAmt>25049</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>67942</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>116056545</BOYAmt>
        <EOYAmt>86003931</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <LandBldgEquipCostOrOtherBssAmt>2815639</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>2764267</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>182864</BOYAmt>
        <EOYAmt>51372</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <TotalAssetsGrp>
        <BOYAmt>116319039</BOYAmt>
        <EOYAmt>86080352</EOYAmt>
      </TotalAssetsGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>110203990</BOYAmt>
        <EOYAmt>62403990</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>110203990</BOYAmt>
        <EOYAmt>62403990</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>-109941496</BOYAmt>
        <EOYAmt>-62327569</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>116056545</BOYAmt>
        <EOYAmt>86003931</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>6115049</BOYAmt>
        <EOYAmt>23676362</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>116319039</BOYAmt>
        <EOYAmt>86080352</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>17561313</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>0</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <MedicalResearchOrganizationInd>X</MedicalResearchOrganizationInd>
      <HospitalNameAndAddressGrp>
        <SupportedOrganizationName>
          <BusinessNameLine1Txt>MOUNT SINAI HOSPITAL</BusinessNameLine1Txt>
        </SupportedOrganizationName>
        <CityNm>NEW YORK</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
      </HospitalNameAndAddressGrp>
    </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">
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>2815639</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2764267</DepreciationAmt>
        <BookValueAmt>51372</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>51372</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI</Desc>
        <Amt>62403990</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>62403990</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>FIN 48 FOOTNOTE THE FOUNDATION FOLLOWS GUIDANCE THAT CLARIFIES THE ACCOUNTING FOR UNCERTAINTY IN TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN, INCLUDING ISSUES RELATING TO FINANCIAL STATEMENT RECOGNITION AND MEASUREMENT. THIS GUIDANCE PROVIDES THAT THE TAX EFFECTS FROM AN UNCERTAIN TAX POSITION CAN ONLY BE RECOGNIZED IN THE CONSOLIDATED FINANCIAL STATEMENTS IF THE POSITION IS "MORE-LIKELY-THAN-NOT" TO BE SUSTAINED IF THE POSITION WERE TO BE CHALLENGED BY A TAXING AUTHORITY. THE ASSESSMENT OF THE TAX POSITION IS BASED SOLELY ON THE TECHNICAL MERITS OF THE POSITION, WITHOUT REGARD TO THE LIKELIHOOD THAT THE TAX POSITION MAY BE CHALLENGED. THE FOUNDATION IS EXEMPT FROM FEDERAL INCOME TAX UNDER INTERNAL REVENUE CODE SECTION 501(C)(3), THOUGH IT IS SUBJECT TO TAX ON INCOME UNRELATED TO ITS EXEMPT PURPOSE, UNLESS THAT INCOME IS OTHERWISE EXCLUDED BY THE CODE. THE FOUNDATION HAS PROCESSES PRESENTLY IN PLACE TO ENSURE THE MAINTENANCE OF ITS TAX-EXEMPT STATUS; TO IDENTIFY AND REPORT UNRELATED INCOME; TO DETERMINE ITS FILING AND TAX OBLIGATIONS IN JURISDICTIONS FOR WHICH IT HAS NEXUS; AND TO IDENTIFY AND EVALUATE OTHER MATTERS THAT MAY BE CONSIDERED TAX POSITIONS. THE FOUNDATION HAS DETERMINED THAT THERE ARE NO MATERIAL UNCERTAIN TAX POSITIONS THAT REQUIRE RECOGNITION OR DISCLOSURE IN THE CONSOLIDATED FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SCHAHRAM AKBARIAN</PersonNm>
        <TitleTxt>ICAHN SCHOLAR</TitleTxt>
        <BaseCompensationFilingOrgAmt>141068</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6419</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>4513</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>152000</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 2A</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED ON SCHEDULE A, THE ICAHN MEDICAL RESEARCH FOUNDATION (THE "FOUNDATION") IS A MEDICAL RESEARCH ORGANIZATION WHICH CONDUCTS MEDICAL RESEARCH IN CONJUNCTION WITH MOUNT SINAI HOSPITAL (THE "HOSPITAL"). THIS ARRANGEMENT IS SET FORTH IN THE COLLABORATION AGREEMENT BETWEEN THE FOUNDATION AND THE HOSPITAL, A COPY OF WHICH WAS PROVIDED TO THE IRS AS PART OF THE FOUNDATION'S APPLICATION FOR RECOGNITION OF TAX-EXEMPTION ON FORM 1023. IN ACCORDANCE WITH THE TERMS OF THE COLLABORATION AGREEMENT, ALL INDIVIDUALS WHO CONDUCT MEDICAL RESEARCH AS PART OF THE FOUNDATION'S EXEMPT ACTIVITIES ARE SIMULTANEOUS EMPLOYEES OF THE FOUNDATION AND THE HOSPITAL, INCLUDING THE INDIVIDUALS REPORTED ON PART VII OF THIS FORM 990. THE HOSPITAL PROCESSES AND PAYS ALL SUCH SIMULTANEOUS EMPLOYEES AND THEY RECEIVE THEIR W-2 FROM THE HOSPITAL. AS SUCH, THE FOUNDATION DOES NOT FILE A FORM W-3 FOR SUCH INDIVIDUALS (THEY ARE INCLUDED ON THE HOSPITAL'S FILING). IN 2023, 39 SIMULTANEOUS EMPLOYEES RECEIVED W-2S FROM THE HOSPITAL FOR SERVICES RENDERED TO THE FOUNDATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOUNDATION WAS FOUNDED BY MR. CARL C. ICAHN. HE IS THE SOLE DIRECTOR AND PRESIDENT OF THE FOUNDATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>MR. ICAHN HAS A FAMILY RELATIONSHIP WITH MRS. GOLDEN-ICAHN. MR. ICAHN ALSO HAS BUSINESS RELATIONSHIPS WITH MRS. GOLDEN-ICAHN, MR. BLEZNICK, MR. BONYNE, MRS. ASUNCION-GUMABONG, MR. LYNN AND MR. GARY. MRS. GOLDEN-ICAHN AND MR. GARY ARE ALSO IN A FAMILY RELATIONSHIP.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCIAL STATEMENTS WERE AUDITED BY AN INDEPENDENT ACCOUNTING FIRM WHICH ALSO PREPARED THE FORM 990 PRIOR TO ITS COMPLETION AND FILING. THE FORM 990 IS PROVIDED TO THE DIRECTOR UPON THE COMPLETION OF THE INDEPENDENT AUDIT AND PRIOR TO FILING OF THE FORM 990.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S CONFLICT OF INTEREST AND DISCLOSURE POLICY REQUIRES THAT ANY INDIVIDUAL WHO HAS AUTHORITY TO MAKE DECISIONS ON BEHALF OF THE ORGANIZATION, SUCH AS A DIRECTOR, OFFICER, COMMITTEE MEMBER, OR EMPLOYEE, SHALL TAKE STEPS TO INFORM THE BOARD OF DIRECTORS OF ANY PERSONAL INTEREST HE OR SHE MAY HAVE IN A TRANSACTION OR CONTRACT BETWEEN THE ORGANIZATION AND A THIRD PARTY. THE BOARD WILL THEN DETERMINE WHETHER AN ACTUAL CONFLICT OF INTEREST EXISTS AND TAKE ACTION THAT THE BOARD DEEMS APPROPRIATE. THE INTERESTED PERSON MAY NOT VOTE ON THE TRANSACTION AND MAY NOT BE PRESENT WHEN THE BOARD MAKES ITS DETERMINATION OTHER THAN TO ANSWER QUESTIONS. EACH DIRECTOR, OFFICER, MEMBER OF A COMMITTEE OR THE BOARD, AND KEY EMPLOYEE MUST SIGN ANNUALLY A STATEMENT AFFIRMING THAT HE OR SHE HAS RECEIVED A COPY OF THE CONFLICT OF INTEREST AND DISCLOSURE POLICY, HAS READ AND UNDERSTANDS IT, AND HAS AGREED TO COMPLY WITH IT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>AS DESCRIBED ON SCHEDULE O, PART V, LINE 2A, THE COMPENSATION OF JOINT EMPLOYEES OF THE FOUNDATION AND THE HOSPITAL IS PAID BY THE HOSPITAL. THE HOSPITAL DETERMINES SUCH COMPENSATION IN ACCORDANCE WITH ITS STANDARD REVIEW AND OVERSIGHT PROCEDURES, INCLUDING REVIEW BY THE COMPENSATION, EMPLOYEE BENEFITS AND EMPLOYEE RELATIONS COMMITTEE OF THE BOARD OF TRUSTEES OF THE ICAHN SCHOOL OF MEDICINE AT MT. SINAI.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 WILL BE POSTED ON WWW.GUIDESTAR.ORG. THE FOUNDATION WILL REVIEW THE WEBSITE TO VERIFY THE PRESENCE AND ACCURATE POSTING OF ITS FORM 990. THE FOUNDATION DOES NOT MAKE ITS GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY AVAILABLE TO THE PUBLIC. THE FOUNDATION'S FINANCIAL STATEMENTS WILL BE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VII AND SCHEDULE J</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION REPORTED ON PART VII AND SCHEDULE J REPRESENTS COMPENSATION FOR SERVICES PROVIDED TO THE FOUNDATION. THE EMPLOYEES RECEIVE THEIR FORMS W-2 FROM MOUNT SINAI HOSPITAL.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ICAHN INST MED RES AT MT SINAI LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>16690 COLLINS AVE 12TH FLOOR</AddressLine1Txt>
          <CityNm>SUNNY ISLE BEACH</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>33160</ZIPCd>
        </USAddress>
        <EIN>364746548</EIN>
        <PrimaryActivitiesTxt>RESEARCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <TotalIncomeAmt>0</TotalIncomeAmt>
        <EndOfYearAssetsAmt>47858754</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>IMRF</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ICAHN ENTERPRISES LP (AND SUB)</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>16690 COLLINS AVE 12TH FLOOR</AddressLine1Txt>
          <CityNm>SUNNY ISLES BEACH</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>33160</ZIPCd>
        </USAddress>
        <PrimaryActivitiesTxt>BUS. OP &amp; INV</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <PredominantIncomeTypeTxt>N/A</PredominantIncomeTypeTxt>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>ICAHN ASSOCIATES HOLDINGS LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>16690 COLLINS AVE 12TH FLOOR</AddressLine1Txt>
          <CityNm>SUNNY ISLES BEACH</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>33160</ZIPCd>
        </USAddress>
        <EIN>133135018</EIN>
        <PrimaryActivitiesTxt>BUS. OP &amp; INV</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>STARFIRE HOLDING CORPORATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>16690 COLLINS AVE 12TH FLOOR</AddressLine1Txt>
          <CityNm>SUNNY ISLES BEACH</CityNm>
          <StateAbbreviationCd>FL</StateAbbreviationCd>
          <ZIPCd>33160</ZIPCd>
        </USAddress>
        <EIN>133135018</EIN>
        <PrimaryActivitiesTxt>BUS. OP &amp; INV</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</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>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE R, PARTS III &amp; IV</FormAndLineReferenceDesc>
        <ExplanationTxt>ICAHN ASSOCIATES HOLDING, LLC IS A DISREGARDED ENTITY OF STARFIRE HOLDING CORPORATION ("STARFIRE"), WHICH IS CONTROLLED BY CARL C. ICAHN, THE DIRECTOR AND PRESIDENT OF THE FOUNDATION. THE OFFICERS OF THE FOUNDATION (GAIL GOLDEN-ICAHN, JORDAN BLEZNICK (THRU 04/23), GREGORY L. BONYNE (AS OF 05/23), ROWELLA ASUNCION-GUMABONG, JESSE LYNN, AND HUNTER GARY) ARE EMPLOYEES OF ICAHN ASSOCIATES HOLDING, LLC OR AN AFFILIATE. ICAHN ASSOCIATES HOLDING LLC PROVIDES SERVICES AND FACILITIES TO THE FOUNDATION AT NO COST. THERE ARE NO TRANSFERS OF CASH OR PROPERTY AND NO BUSINESS TRANSACTIONS BETWEEN THE FOUNDATION AND ICAHN ASSOCIATES HOLDING, LLC, OR ITS AFFILIATES, OR BETWEEN THE FOUNDATION AND STARFIRE. CARL C. ICAHN, THE DIRECTOR AND PRESIDENT OF THE FOUNDATION, IS ONE OF THE MOST WELL-KNOWN AND INFLUENTIAL INVESTORS IN AMERICA AND IN THAT CAPACITY, EITHER DIRECTLY OR INDIRECTLY OWNS OR HAS A CONTROLLING POSITION IN VARIOUS ENTITIES TAXABLE AS PARTNERSHIPS OR AS CORPORATIONS, INCLUDING ICAHN ENTERPRISES LP. NONE OF THESE ENTITIES HAS ANY RELATIONSHIP TO OR TRANSACTIONS WITH THE FOUNDATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>