﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xsi:schemaLocation="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-11-13T14:55:42-06:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Independent Family Office LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>677 Broadway 7th Floor</AddressLine1Txt>
        <CityNm>Albany</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>12207</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>476693100</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>Michael E Porter Family Foundation</BusinessNameLine1Txt>
      </BusinessName>
      <InCareOfNm>% INDEPENDENT FAMILY OFFICE L</InCareOfNm>
      <BusinessNameControlTxt>MICH</BusinessNameControlTxt>
      <PhoneNum>5183011679</PhoneNum>
      <USAddress>
        <AddressLine1Txt>PO Box 10879</AddressLine1Txt>
        <CityNm>Albany</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>12201</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>SONIA T SMYTH</PersonNm>
      <PersonTitleTxt>TRUSTEE</PersonTitleTxt>
      <PhoneNum>6178510842</PhoneNum>
      <SignatureDt>2025-11-15</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JAYNE M MILLER</PreparerPersonNm>
      <PTIN>P01740454</PTIN>
      <PhoneNum>5184528050</PhoneNum>
      <PreparationDt>2025-11-15</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="10">
    <IRS990PF documentId="IRS990PF">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>17791437</FMVAssetsEOYAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AnalysisOfRevenueAndExpenses>
        <ContriRcvdRevAndExpnssAmt>2983578</ContriRcvdRevAndExpnssAmt>
        <DividendsRevAndExpnssAmt>560506</DividendsRevAndExpnssAmt>
        <DividendsNetInvstIncmAmt>560506</DividendsNetInvstIncmAmt>
        <NetGainSaleAstRevAndExpnssAmt>460489</NetGainSaleAstRevAndExpnssAmt>
        <GrossSalesPriceAmt>5257546</GrossSalesPriceAmt>
        <CapGainNetIncmNetInvstIncmAmt>2804405</CapGainNetIncmNetInvstIncmAmt>
        <OtherIncomeRevAndExpnssAmt referenceDocumentId="OtherIncomeSch2">160752</OtherIncomeRevAndExpnssAmt>
        <OtherIncomeNetInvstIncmAmt>6941</OtherIncomeNetInvstIncmAmt>
        <TotalRevAndExpnssAmt>4165325</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>3371852</TotalNetInvstIncmAmt>
        <CompOfcrDirTrstRevAndExpnssAmt>0</CompOfcrDirTrstRevAndExpnssAmt>
        <InterestRevAndExpnssAmt>26622</InterestRevAndExpnssAmt>
        <InterestNetInvstIncmAmt>26622</InterestNetInvstIncmAmt>
        <TaxesRevAndExpnssAmt referenceDocumentId="TaxesSchedule">207199</TaxesRevAndExpnssAmt>
        <TaxesNetInvstIncmAmt>4597</TaxesNetInvstIncmAmt>
        <OtherExpensesRevAndExpnssAmt referenceDocumentId="OtherExpensesSch">111979</OtherExpensesRevAndExpnssAmt>
        <OtherExpensesNetInvstIncmAmt>97500</OtherExpensesNetInvstIncmAmt>
        <TotOprExpensesRevAndExpnssAmt>345800</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>128719</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>0</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>350760</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>350760</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>696560</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>128719</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>350760</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>3468765</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>3243133</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <SavAndTempCashInvstBOYAmt>161096</SavAndTempCashInvstBOYAmt>
        <SavAndTempCashInvstEOYAmt>287768</SavAndTempCashInvstEOYAmt>
        <SavAndTempCashInvstEOYFMVAmt>287768</SavAndTempCashInvstEOYFMVAmt>
        <USGovernmentObligationsBOYAmt>1941592</USGovernmentObligationsBOYAmt>
        <USGovernmentObligationsEOYAmt referenceDocumentId="InvGovtObligSch">2184956</USGovernmentObligationsEOYAmt>
        <USGovtObligationsEOYFMVAmt>2212550</USGovtObligationsEOYFMVAmt>
        <CorporateStockBOYAmt>9284428</CorporateStockBOYAmt>
        <CorporateStockEOYAmt referenceDocumentId="InvestCorpStockSch">10688880</CorporateStockEOYAmt>
        <CorporateStockEOYFMVAmt>12610090</CorporateStockEOYFMVAmt>
        <OtherInvestmentsBOYAmt>873681</OtherInvestmentsBOYAmt>
        <OtherInvestmentsEOYAmt referenceDocumentId="InvOtherSch2">2567958</OtherInvestmentsEOYAmt>
        <OtherInvestmentsEOYFMVAmt>2681029</OtherInvestmentsEOYFMVAmt>
        <TotalAssetsBOYAmt>12260797</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>15729562</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>17791437</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesBOYAmt>0</TotalLiabilitiesBOYAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
        <RetainedEarningBOYAmt>12260797</RetainedEarningBOYAmt>
        <RetainedEarningEOYAmt>15729562</RetainedEarningEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>12260797</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>15729562</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>12260797</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>15729562</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>12260797</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>3468765</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>15729562</SubtotalAmt>
        <TotNetAstOrFundBalancesEOYAmt>15729562</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <CapGainsLossTxInvstIncmDetail>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>PUBLICLY TRADED SECURITIES</PropertyDesc>
          <HowAcquiredCd>P</HowAcquiredCd>
          <GrossSalesPriceAmt>5265029</GrossSalesPriceAmt>
          <CostOrOtherBasisAmt>2460624</CostOrOtherBasisAmt>
          <GainOrLossAmt>2804405</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>2804405</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapitalGainNetIncomeAmt>2804405</CapitalGainNetIncomeAmt>
      </CapGainsLossTxInvstIncmDetail>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>45080</InvestmentIncomeExciseTaxAmt>
        <SubtotalAmt>45080</SubtotalAmt>
        <TaxBasedOnInvestmentIncomeAmt>45080</TaxBasedOnInvestmentIncomeAmt>
        <EstimatedPlusOvpmtIncmTxAmt>50087</EstimatedPlusOvpmtIncmTxAmt>
        <ExemptFrgnOrgTaxWthldAtSrceAmt>0</ExemptFrgnOrgTaxWthldAtSrceAmt>
        <TotalPaymentsAndCreditsAmt>50087</TotalPaymentsAndCreditsAmt>
        <OverpaymentAmt>5007</OverpaymentAmt>
        <AppliedToESTaxAmt>5007</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>NY</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>INDEPENDENT FAMILY OFFICE LLC</BusinessNameLine1Txt>
        </PersonsWithBooksName>
        <PhoneNum>5183011679</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>677 BROADWAY 7TH FLOOR</AddressLine1Txt>
          <CityNm>ALBANY</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12207</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>
        <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>Sonia T Smyth</PersonNm>
          <USAddress>
            <AddressLine1Txt>c/o Independent Family Office LLC</AddressLine1Txt>
            <AddressLine2Txt>PO Box 10879</AddressLine2Txt>
            <CityNm>Albany</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>12201</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Ilana Z Porter</PersonNm>
          <USAddress>
            <AddressLine1Txt>c/o Independent Family Office LLC</AddressLine1Txt>
            <AddressLine2Txt>PO Box 10879</AddressLine2Txt>
            <CityNm>Albany</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>12201</ZIPCd>
          </USAddress>
          <TitleTxt>Trustee</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>1.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompensationOfHghstPdCntrctGrp>
          <BusinessName referenceDocumentId="ContractCompenExpln">
            <BusinessNameLine1Txt>INDEPENDENT FAMILY OFFICE LLC</BusinessNameLine1Txt>
          </BusinessName>
          <USAddress>
            <AddressLine1Txt>677 BROADWAY 7TH FLOOR</AddressLine1Txt>
            <CityNm>ALBANY</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>12207</ZIPCd>
          </USAddress>
          <ServiceTypeTxt>FINANCIAL SERVICES</ServiceTypeTxt>
          <CompensationAmt>57915</CompensationAmt>
        </CompensationOfHghstPdCntrctGrp>
      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp />
      <SumOfProgramRelatedInvstGrp />
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>15398824</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>138233</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>1781588</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>17318645</TotalFMVOfUnusedAssetsAmt>
        <AcquisitionIndebtednessAmt>0</AcquisitionIndebtednessAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>17318645</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>259780</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>17058865</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>852943</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>852943</MinimumInvestmentReturnAmt>
        <TaxBasedOnInvestmentIncomeAmt>45080</TaxBasedOnInvestmentIncomeAmt>
        <TotalTaxAmt>45080</TotalTaxAmt>
        <DistributableBeforeAdjAmt>807863</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>807863</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>807863</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <PFQualifyingDistributionsGrp>
        <ExpensesAndContributionsAmt>350760</ExpensesAndContributionsAmt>
        <ProgramRelatedInvstTotalAmt>0</ProgramRelatedInvstTotalAmt>
        <CharitableAssetsAcquisPaidAmt>0</CharitableAssetsAcquisPaidAmt>
        <SetAsideSuitabilityTestAmt>0</SetAsideSuitabilityTestAmt>
        <SetAsideCashDistriTestAmt>0</SetAsideCashDistriTestAmt>
        <QualifyingDistributionsAmt>350760</QualifyingDistributionsAmt>
      </PFQualifyingDistributionsGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>807863</DistributableAsAdjustedAmt>
        <UndistributedIncomePYAmt>0</UndistributedIncomePYAmt>
        <PriorYear1Yr>2022</PriorYear1Yr>
        <PriorYear2Yr>2021</PriorYear2Yr>
        <PriorYear3Yr>2020</PriorYear3Yr>
        <TotalForPriorYearsAmt>0</TotalForPriorYearsAmt>
        <ExcessDistributionCyovYr5Amt>31825</ExcessDistributionCyovYr5Amt>
        <TotalExcessDistributionCyovAmt>31825</TotalExcessDistributionCyovAmt>
        <QualifyingDistributionsAmt>350760</QualifyingDistributionsAmt>
        <AppliedToYear1Amt>0</AppliedToYear1Amt>
        <AppliedToCurrentYearAmt>350760</AppliedToCurrentYearAmt>
        <RemainingDistriFromCorpusAmt>0</RemainingDistriFromCorpusAmt>
        <ExcessDistriCyovAppCYCorpusAmt>31825</ExcessDistriCyovAppCYCorpusAmt>
        <ExcessDistributionCyovAppCYAmt>31825</ExcessDistributionCyovAppCYAmt>
        <PriorYearUndistributedIncmAmt>0</PriorYearUndistributedIncmAmt>
        <Taxable1Amt>0</Taxable1Amt>
        <Taxable2Amt>0</Taxable2Amt>
        <UndistributedIncomeCYAmt>425278</UndistributedIncomeCYAmt>
      </UndistributedIncomeGrp>
      <PrivateOperatingFoundationsGrp></PrivateOperatingFoundationsGrp>
      <SupplementaryInformationGrp>
        <OnlyContriToPreselectedInd>X</OnlyContriToPreselectedInd>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>INTERNATIONAL CONSORTIUM FOR HEALTH OUTCOMES MEASU</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>399 BOYLSTON STREET</AddressLine1Txt>
            <AddressLine2Txt>6TH FLOOR</AddressLine2Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02116</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>General Charitable Needs</GrantOrContributionPurposeTxt>
          <Amt>100000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>INITIATIVE FOR A COMPETITIVE INNER CITY INC</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>PO BOX 191297</AddressLine1Txt>
            <CityNm>Roxbury</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02119</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>General Charitable Needs</GrantOrContributionPurposeTxt>
          <Amt>150628</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>BOSTON BOOK FESTIVAL</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>10 GUEST STREET</AddressLine1Txt>
            <AddressLine2Txt>SUITE 220</AddressLine2Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02135</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>NONE</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>General Charitable Needs</GrantOrContributionPurposeTxt>
          <Amt>100132</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>350760</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <FeesContractsFromGovtAgGrp />
        <MembershipDuesAndAssmntGrp />
        <IntOnSavAndTempCashInvstGrp />
        <DividendsAndInterestFromSecDtl>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>560506</ExclusionAmt>
        </DividendsAndInterestFromSecDtl>
        <NetRntlIncmReDebtFincdPropGrp />
        <NetRntlIncmReNotDebtFincdProp />
        <NetRentalIncomePersonalPropGrp />
        <OtherInvestmentIncomeGrp />
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>460489</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <NetIncomeLossFromSpecialEvtGrp />
        <GrossProfitLossSlsOfInvntryGrp />
        <OtherRevenueDescribedGrp>
          <Desc>UNREALIZED GAIN ON GRANTS PAID</Desc>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>128724</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>OTHER PORTFOLIO INCOME</Desc>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>6941</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <OtherRevenueDescribedGrp>
          <Desc>OTHER INCOME</Desc>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>25087</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>1181747</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>1181747</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>
    <IRS990ScheduleB documentId="IRS990ScheduleB">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <GeneralRuleInd>X</GeneralRuleInd>
      <ContributorInformationGrp>
        <ContributorNum>1</ContributorNum>
        <ContributorPersonNm>MICHAEL E PORTER TRUST</ContributorPersonNm>
        <ContributorUSAddress>
          <AddressLine1Txt>PO BOX 10879</AddressLine1Txt>
          <CityNm>ALBANY</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>12201</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>2983578</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
        <NoncashContributionInd>X</NoncashContributionInd>
      </ContributorInformationGrp>
      <NonCashPropertyContributionGrp>
        <ContributorNum>1</ContributorNum>
        <NoncashPropertyDesc>17,400 SHARES OF PTC</NoncashPropertyDesc>
        <FairMarketValueAmt>2983578</FairMarketValueAmt>
        <ReceivedDt>2024-01-16</ReceivedDt>
      </NonCashPropertyContributionGrp>
    </IRS990ScheduleB>
    <ContractorCompensationExpln documentId="ContractCompenExpln">
      <ContractorCompExplnGrp>
        <ContractorPersonNm>INDEPENDENT FAMILY OFFICE LLC</ContractorPersonNm>
        <ExplanationTxt>INVESTMENT MANAGEMENT AND TAX PREP</ExplanationTxt>
      </ContractorCompExplnGrp>
    </ContractorCompensationExpln>
    <DepreciationSchedule documentId="DepreciationSch" />
    <InvestmentsCorpStockSchedule documentId="InvestCorpStockSch">
      <InvestmentsCorporateStockGrp>
        <StockNm>FIDELITY #1360</StockNm>
        <EOYBookValueAmt>10688880</EOYBookValueAmt>
        <EOYFMVAmt>12610090</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <InvestmentsGovtObligationsSch documentId="InvGovtObligSch">
      <USGovtObligationsBookVlEOYAmt>2184956</USGovtObligationsBookVlEOYAmt>
      <USGovtObligationsEOYFMVAmt>2212550</USGovtObligationsEOYFMVAmt>
    </InvestmentsGovtObligationsSch>
    <InvestmentsOtherSchedule2 documentId="InvOtherSch2">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>OTHER INVESTMENTS</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>2567958</BookValueAmt>
        <EOYFMVAmt>2681029</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <OtherExpensesSchedule documentId="OtherExpensesSch">
      <OtherExpensesScheduleGrp>
        <Desc>INV MGMT &amp; TAX PREP</Desc>
        <RevenueAndExpensesPerBooksAmt>57915</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>43436</NetInvestmentIncomeAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>PORTFOLIO EXPENSES</Desc>
        <RevenueAndExpensesPerBooksAmt>54064</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>54064</NetInvestmentIncomeAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSch2">
      <OtherIncomeDetail>
        <Desc>OTHER PORTFOLIO INCOME</Desc>
        <RevenueAndExpensesPerBooksAmt>6941</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>6941</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>UNREALIZED GAIN ON STOCK DONATIONS</Desc>
        <RevenueAndExpensesPerBooksAmt>128724</RevenueAndExpensesPerBooksAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>2023 OVERPAYMENT APPLIED</Desc>
        <RevenueAndExpensesPerBooksAmt>25087</RevenueAndExpensesPerBooksAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <TaxesSchedule documentId="TaxesSchedule">
      <TaxesDetail>
        <CategoryTxt>FEDERAL TAXES</CategoryTxt>
        <Amt>176980</Amt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>FOREIGN TAXES</CategoryTxt>
        <Amt>4597</Amt>
        <NetInvestmentIncomeAmt>4597</NetInvestmentIncomeAmt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>STATE TAXES</CategoryTxt>
        <Amt>535</Amt>
      </TaxesDetail>
      <TaxesDetail>
        <CategoryTxt>2023 OVERPAYMENT APPLIED</CategoryTxt>
        <Amt>25087</Amt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>