<?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="2020v4.1">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2021-11-15T16:29:30-06:00</ReturnTs>
    <TaxPeriodEndDt>2020-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmName>
        <BusinessNameLine1Txt>EISNER ADVISORY GROUP LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>733 THIRD AVENUE</AddressLine1Txt>
        <CityNm>NEW YORK</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>100172703</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990PF</ReturnTypeCd>
    <TaxPeriodBeginDt>2020-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>831433853</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>RTW CHARITABLE FOUNDATION</BusinessNameLine1Txt>
      </BusinessName>
      <InCareOfNm>% C/O RTW INVESTMENTS LP</InCareOfNm>
      <BusinessNameControlTxt>RTWC</BusinessNameControlTxt>
      <PhoneNum>6465976980</PhoneNum>
      <USAddress>
        <AddressLine1Txt>40 10th Ave Floor 3</AddressLine1Txt>
        <CityNm>NEW YORK</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>10014</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>Nate Pelsma</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>6465976980</PhoneNum>
      <SignatureDt>2021-11-15</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>Nate</PersonFirstNm>
        <PersonLastNm>Pelsma</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>MARIE ARRIGO</PreparerPersonNm>
      <PTIN>P00058583</PTIN>
      <PhoneNum>2129498700</PhoneNum>
      <PreparationDt>2021-11-15</PreparationDt>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>3</TrustedCustomerCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2020</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="11">
    <IRS990PF documentId="IRS990PF">
      <Organization501c3ExemptPFInd>X</Organization501c3ExemptPFInd>
      <FMVAssetsEOYAmt>5901896</FMVAssetsEOYAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AnalysisOfRevenueAndExpenses>
        <ContriRcvdRevAndExpnssAmt>4914295</ContriRcvdRevAndExpnssAmt>
        <InterestOnSavRevAndExpnssAmt>64</InterestOnSavRevAndExpnssAmt>
        <InterestOnSavNetInvstIncmAmt>64</InterestOnSavNetInvstIncmAmt>
        <DividendsRevAndExpnssAmt>1982</DividendsRevAndExpnssAmt>
        <DividendsNetInvstIncmAmt>1982</DividendsNetInvstIncmAmt>
        <NetGainSaleAstRevAndExpnssAmt>767497</NetGainSaleAstRevAndExpnssAmt>
        <GrossSalesPriceAmt>895573</GrossSalesPriceAmt>
        <CapGainNetIncmNetInvstIncmAmt>767497</CapGainNetIncmNetInvstIncmAmt>
        <OtherIncomeRevAndExpnssAmt referenceDocumentId="OtherIncomeSch2">274</OtherIncomeRevAndExpnssAmt>
        <OtherIncomeNetInvstIncmAmt>274</OtherIncomeNetInvstIncmAmt>
        <TotalRevAndExpnssAmt>5684112</TotalRevAndExpnssAmt>
        <TotalNetInvstIncmAmt>769817</TotalNetInvstIncmAmt>
        <CompOfcrDirTrstRevAndExpnssAmt>0</CompOfcrDirTrstRevAndExpnssAmt>
        <OthEmplSlrsWgsRevAndExpnssAmt>9167</OthEmplSlrsWgsRevAndExpnssAmt>
        <OthEmplSlrsWgsDsbrsChrtblAmt>9167</OthEmplSlrsWgsDsbrsChrtblAmt>
        <PensionEmplBnftRevAndExpnssAmt>877</PensionEmplBnftRevAndExpnssAmt>
        <PensionEmplBnftDsbrsChrtblAmt>877</PensionEmplBnftDsbrsChrtblAmt>
        <AccountingFeesRevAndExpnssAmt referenceDocumentId="AccountingFeesSch">20571</AccountingFeesRevAndExpnssAmt>
        <AccountingFeesNetInvstIncmAmt>10285</AccountingFeesNetInvstIncmAmt>
        <AccountingFeesAdjNetIncmAmt>0</AccountingFeesAdjNetIncmAmt>
        <AccountingFeesChrtblPrpsAmt>10286</AccountingFeesChrtblPrpsAmt>
        <OtherProfFeesRevAndExpnssAmt referenceDocumentId="OthProfFeesSch">78644</OtherProfFeesRevAndExpnssAmt>
        <OtherProfFeesDsbrsChrtblAmt>78644</OtherProfFeesDsbrsChrtblAmt>
        <InterestRevAndExpnssAmt>135</InterestRevAndExpnssAmt>
        <InterestNetInvstIncmAmt>135</InterestNetInvstIncmAmt>
        <TravConfMeetingRevAndExpnssAmt>2518</TravConfMeetingRevAndExpnssAmt>
        <TravConfMeetingDsbrsChrtblAmt>2518</TravConfMeetingDsbrsChrtblAmt>
        <OtherExpensesRevAndExpnssAmt referenceDocumentId="OtherExpensesSch">3237</OtherExpensesRevAndExpnssAmt>
        <OtherExpensesNetInvstIncmAmt>2863</OtherExpensesNetInvstIncmAmt>
        <OtherExpensesDsbrsChrtblAmt>374</OtherExpensesDsbrsChrtblAmt>
        <TotOprExpensesRevAndExpnssAmt>115149</TotOprExpensesRevAndExpnssAmt>
        <TotOprExpensesNetInvstIncmAmt>13283</TotOprExpensesNetInvstIncmAmt>
        <TotOprExpensesAdjNetIncmAmt>0</TotOprExpensesAdjNetIncmAmt>
        <TotOprExpensesDsbrsChrtblAmt>101866</TotOprExpensesDsbrsChrtblAmt>
        <ContriPaidRevAndExpnssAmt>215000</ContriPaidRevAndExpnssAmt>
        <ContriPaidDsbrsChrtblAmt>215000</ContriPaidDsbrsChrtblAmt>
        <TotalExpensesRevAndExpnssAmt>330149</TotalExpensesRevAndExpnssAmt>
        <TotalExpensesNetInvstIncmAmt>13283</TotalExpensesNetInvstIncmAmt>
        <TotalExpensesAdjNetIncmAmt>0</TotalExpensesAdjNetIncmAmt>
        <TotalExpensesDsbrsChrtblAmt>316866</TotalExpensesDsbrsChrtblAmt>
        <ExcessRevenueOverExpensesAmt>5353963</ExcessRevenueOverExpensesAmt>
        <NetInvestmentIncomeAmt>756534</NetInvestmentIncomeAmt>
      </AnalysisOfRevenueAndExpenses>
      <Form990PFBalanceSheetsGrp>
        <CashBOYAmt>141987</CashBOYAmt>
        <CashEOYAmt>143272</CashEOYAmt>
        <CashEOYFMVAmt>143272</CashEOYFMVAmt>
        <CorporateStockBOYAmt>976303</CorporateStockBOYAmt>
        <CorporateStockEOYAmt referenceDocumentId="InvestCorpStockSch">4688285</CorporateStockEOYAmt>
        <CorporateStockEOYFMVAmt>4688285</CorporateStockEOYFMVAmt>
        <OtherInvestmentsBOYAmt>0</OtherInvestmentsBOYAmt>
        <OtherInvestmentsEOYAmt referenceDocumentId="InvOtherSch2">1059339</OtherInvestmentsEOYAmt>
        <OtherInvestmentsEOYFMVAmt>1059339</OtherInvestmentsEOYFMVAmt>
        <OtherAssetsBOYAmt referenceDocumentId="OtherAssetsSch">0</OtherAssetsBOYAmt>
        <OtherAssetsEOYAmt referenceDocumentId="OtherAssetsSch">11000</OtherAssetsEOYAmt>
        <OtherAssetsEOYFMVAmt referenceDocumentId="OtherAssetsSch">11000</OtherAssetsEOYFMVAmt>
        <TotalAssetsBOYAmt>1118290</TotalAssetsBOYAmt>
        <TotalAssetsEOYAmt>5901896</TotalAssetsEOYAmt>
        <TotalAssetsEOYFMVAmt>5901896</TotalAssetsEOYFMVAmt>
        <TotalLiabilitiesBOYAmt>0</TotalLiabilitiesBOYAmt>
        <TotalLiabilitiesEOYAmt>0</TotalLiabilitiesEOYAmt>
        <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
        <NoDonorRstrNetAssestsBOYAmt>1118290</NoDonorRstrNetAssestsBOYAmt>
        <NoDonorRstrNetAssestsEOYAmt>5901896</NoDonorRstrNetAssestsEOYAmt>
        <TotNetAstOrFundBalancesBOYAmt>1118290</TotNetAstOrFundBalancesBOYAmt>
        <TotNetAstOrFundBalancesEOYAmt>5901896</TotNetAstOrFundBalancesEOYAmt>
        <TotalLiabilitiesNetAstBOYAmt>1118290</TotalLiabilitiesNetAstBOYAmt>
        <TotalLiabilitiesNetAstEOYAmt>5901896</TotalLiabilitiesNetAstEOYAmt>
      </Form990PFBalanceSheetsGrp>
      <ChgInNetAssetsFundBalancesGrp>
        <TotNetAstOrFundBalancesBOYAmt>1118290</TotNetAstOrFundBalancesBOYAmt>
        <ExcessRevenueOverExpensesAmt>5353963</ExcessRevenueOverExpensesAmt>
        <SubtotalAmt>6472253</SubtotalAmt>
        <OtherDecreasesAmt referenceDocumentId="OtherDecreasesSch">570357</OtherDecreasesAmt>
        <TotNetAstOrFundBalancesEOYAmt>5901896</TotNetAstOrFundBalancesEOYAmt>
      </ChgInNetAssetsFundBalancesGrp>
      <CapGainsLossTxInvstIncmDetail>
        <CapGainsLossTxInvstIncmGrp>
          <PropertyDesc>44,317 SHS DICEMA PHARMACUETICALS</PropertyDesc>
          <HowAcquiredCd>D</HowAcquiredCd>
          <GrossSalesPriceAmt>897968</GrossSalesPriceAmt>
          <CostOrOtherBasisAmt>128076</CostOrOtherBasisAmt>
          <GainOrLossAmt>769892</GainOrLossAmt>
          <GainsMinusExcessOrLossesAmt>769892</GainsMinusExcessOrLossesAmt>
        </CapGainsLossTxInvstIncmGrp>
        <CapitalGainNetIncomeAmt>767497</CapitalGainNetIncomeAmt>
      </CapGainsLossTxInvstIncmDetail>
      <ExciseTaxBasedOnInvstIncmGrp>
        <InvestmentIncomeExciseTaxAmt>10516</InvestmentIncomeExciseTaxAmt>
        <SubtotalAmt>10516</SubtotalAmt>
        <TaxBasedOnInvestmentIncomeAmt>10516</TaxBasedOnInvestmentIncomeAmt>
        <EstimatedPlusOvpmtIncmTxAmt>11000</EstimatedPlusOvpmtIncmTxAmt>
        <ExemptFrgnOrgTaxWthldAtSrceAmt>0</ExemptFrgnOrgTaxWthldAtSrceAmt>
        <ExtsnRequestIncomeTaxPaidAmt>11000</ExtsnRequestIncomeTaxPaidAmt>
        <TotalPaymentsAndCreditsAmt>22000</TotalPaymentsAndCreditsAmt>
        <OverpaymentAmt>11484</OverpaymentAmt>
        <AppliedToESTaxAmt>11484</AppliedToESTaxAmt>
      </ExciseTaxBasedOnInvstIncmGrp>
      <StatementsRegardingActyGrp>
        <LegislativePoliticalActyInd>false</LegislativePoliticalActyInd>
        <MoreThan100SpentInd>false</MoreThan100SpentInd>
        <Form1120POLFiledInd>false</Form1120POLFiledInd>
        <Section4955OrganizationTaxAmt>0</Section4955OrganizationTaxAmt>
        <Section4955ManagersTaxAmt>0</Section4955ManagersTaxAmt>
        <TaxReimbursedAmt>0</TaxReimbursedAmt>
        <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
        <ChangesToArticlesOrBylawsInd>false</ChangesToArticlesOrBylawsInd>
        <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
        <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
        <Section508eRqrSatisfiedInd>true</Section508eRqrSatisfiedInd>
        <AtLeast5000InAssetsInd>true</AtLeast5000InAssetsInd>
        <OrgReportOrRegisterStateCd>DE</OrgReportOrRegisterStateCd>
        <OrgReportOrRegisterStateCd>NY</OrgReportOrRegisterStateCd>
        <Form990PFFiledWithAttyGenInd>true</Form990PFFiledWithAttyGenInd>
        <PrivateOperatingFoundationInd>false</PrivateOperatingFoundationInd>
        <NewSubstantialContributorsInd>false</NewSubstantialContributorsInd>
        <OwnControlledEntityInd>false</OwnControlledEntityInd>
        <DonorAdvisedFundInd>false</DonorAdvisedFundInd>
        <ComplyWithPublicInspRqrInd>true</ComplyWithPublicInspRqrInd>
        <WebsiteAddressTxt>www.rtwfunds.com/foundation/</WebsiteAddressTxt>
        <PersonsWithBooksName>
          <BusinessNameLine1Txt>CO RTW INVESTMENTS LP</BusinessNameLine1Txt>
        </PersonsWithBooksName>
        <PhoneNum>6465976980</PhoneNum>
        <LocationOfBooksUSAddress>
          <AddressLine1Txt>40 10TH AVE FLOOR 7</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10014</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>Dr Roderick Wong</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave Floor 3</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>Director &amp; Chairman</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Stephanie A Sirota</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave Floor 3</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>director &amp; President</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Alice Lee</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave Floor 3</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>DIRECTOR &amp; SECRETARY</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>David Moore</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave floor 7</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>DIRECTOR &amp; TREASURER</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Dr Joshua Kennedy-Smith PhD</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave floor 7</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>DIRECTOR</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Piratip Pratumsuwan</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave floor 7</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>director</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Krisha McCune</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave floor 7</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>DIRECTOR</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Michelle Krinke</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave floor 7</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>DIRECTOR</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <OfficerDirTrstKeyEmplGrp>
          <PersonNm>Jamie Lynne Sullivan</PersonNm>
          <USAddress>
            <AddressLine1Txt>40 10th Ave floor 7</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </USAddress>
          <TitleTxt>DIRECTOR</TitleTxt>
          <AverageHrsPerWkDevotedToPosRt>2.0</AverageHrsPerWkDevotedToPosRt>
          <CompensationAmt>0</CompensationAmt>
          <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
          <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
        </OfficerDirTrstKeyEmplGrp>
        <CompensationOfHghstPdCntrctGrp>
          <BusinessName>
            <BusinessNameLine1Txt>Korn Ferry</BusinessNameLine1Txt>
          </BusinessName>
          <USAddress>
            <AddressLine1Txt>1900 avenue of the stars suite 2</AddressLine1Txt>
            <CityNm>LOS ANGELES</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>90067</ZIPCd>
          </USAddress>
          <ServiceTypeTxt>Recruiting</ServiceTypeTxt>
          <CompensationAmt>54000</CompensationAmt>
        </CompensationOfHghstPdCntrctGrp>
      </OfficerDirTrstKeyEmplInfoGrp>
      <SummaryOfDirectChrtblActyGrp />
      <SumOfProgramRelatedInvstGrp />
      <MinimumInvestmentReturnGrp>
        <AverageMonthlyFMVOfSecAmt>87945</AverageMonthlyFMVOfSecAmt>
        <AverageMonthlyCashBalancesAmt>345045</AverageMonthlyCashBalancesAmt>
        <FMVAllOtherNoncharitableAstAmt>626179</FMVAllOtherNoncharitableAstAmt>
        <TotalFMVOfUnusedAssetsAmt>1059169</TotalFMVOfUnusedAssetsAmt>
        <AcquisitionIndebtednessAmt>0</AcquisitionIndebtednessAmt>
        <AdjustedTotalFMVOfUnusedAstAmt>1059169</AdjustedTotalFMVOfUnusedAstAmt>
        <CashDeemedCharitableAmt>15888</CashDeemedCharitableAmt>
        <NetVlNoncharitableAssetsAmt>1043281</NetVlNoncharitableAssetsAmt>
        <MinimumInvestmentReturnAmt>52164</MinimumInvestmentReturnAmt>
      </MinimumInvestmentReturnGrp>
      <DistributableAmountGrp>
        <MinimumInvestmentReturnAmt>52164</MinimumInvestmentReturnAmt>
        <TaxBasedOnInvestmentIncomeAmt>10516</TaxBasedOnInvestmentIncomeAmt>
        <TotalTaxAmt>10516</TotalTaxAmt>
        <DistributableBeforeAdjAmt>41648</DistributableBeforeAdjAmt>
        <DistributableBeforeDedAmt>41648</DistributableBeforeDedAmt>
        <DistributableAsAdjustedAmt>41648</DistributableAsAdjustedAmt>
      </DistributableAmountGrp>
      <QualifyingDistriPartXIIGrp>
        <ExpensesAndContributionsAmt>316866</ExpensesAndContributionsAmt>
        <ProgramRelatedInvstTotalAmt>0</ProgramRelatedInvstTotalAmt>
        <CharitableAssetsAcquisPaidAmt>0</CharitableAssetsAcquisPaidAmt>
        <SetAsideSuitabilityTestAmt>0</SetAsideSuitabilityTestAmt>
        <SetAsideCashDistriTestAmt>0</SetAsideCashDistriTestAmt>
        <QualifyingDistributionsAmt>316866</QualifyingDistributionsAmt>
        <PctSect4940eOrgNetInvstIncmAmt>0</PctSect4940eOrgNetInvstIncmAmt>
        <AdjustedQualifyingDistriAmt>316866</AdjustedQualifyingDistriAmt>
      </QualifyingDistriPartXIIGrp>
      <UndistributedIncomeGrp>
        <DistributableAsAdjustedAmt>41648</DistributableAsAdjustedAmt>
        <UndistributedIncomePYAmt>0</UndistributedIncomePYAmt>
        <PriorYear1Yr>2018</PriorYear1Yr>
        <PriorYear2Yr>2017</PriorYear2Yr>
        <PriorYear3Yr>2016</PriorYear3Yr>
        <TotalForPriorYearsAmt>0</TotalForPriorYearsAmt>
        <ExcessDistributionCyovYr2Amt>11690</ExcessDistributionCyovYr2Amt>
        <TotalExcessDistributionCyovAmt>11690</TotalExcessDistributionCyovAmt>
        <QualifyingDistributionsAmt>316866</QualifyingDistributionsAmt>
        <AppliedToYear1Amt>0</AppliedToYear1Amt>
        <AppliedToCurrentYearAmt>41648</AppliedToCurrentYearAmt>
        <RemainingDistriFromCorpusAmt>275218</RemainingDistriFromCorpusAmt>
        <TotalCorpusAmt>286908</TotalCorpusAmt>
        <PriorYearUndistributedIncmAmt>0</PriorYearUndistributedIncmAmt>
        <Taxable1Amt>0</Taxable1Amt>
        <Taxable2Amt>0</Taxable2Amt>
        <UndistributedIncomeCYAmt>0</UndistributedIncomeCYAmt>
        <ExcessDistriCyovToNextYrAmt>286908</ExcessDistriCyovToNextYrAmt>
        <ExcessFromYear2Amt>11690</ExcessFromYear2Amt>
        <ExcessFromCurrentYearAmt>275218</ExcessFromCurrentYearAmt>
      </UndistributedIncomeGrp>
      <PrivateOperatingFoundationsGrp></PrivateOperatingFoundationsGrp>
      <SupplementaryInformationGrp>
        <ContributingManagerNm>DR RODERICK WONG</ContributingManagerNm>
        <ShareholderManagerNm>NONE</ShareholderManagerNm>
        <ApplicationSubmissionInfoGrp>
          <RecipientPersonNm>Deborah Slipetz</RecipientPersonNm>
          <RecipientUSAddress>
            <AddressLine1Txt>40 10th avenue Floor 3</AddressLine1Txt>
            <CityNm>new york</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10014</ZIPCd>
          </RecipientUSAddress>
          <RecipientPhoneNum>6465976980</RecipientPhoneNum>
          <FormAndInfoAndMaterialsTxt>Applicants fill out a letter of intent on the Foundation's website - https://www.rtwfunds.com/foundation/grant-programs/</FormAndInfoAndMaterialsTxt>
          <SubmissionDeadlinesTxt>none</SubmissionDeadlinesTxt>
          <RestrictionsOnAwardsTxt>See area of focus on the Foundation's website - https://www.rtwfunds.com/foundation/grant-programs/</RestrictionsOnAwardsTxt>
        </ApplicationSubmissionInfoGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>new york cares</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>65 broadway 19th Floor</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10006</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>n/a</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>general support</GrantOrContributionPurposeTxt>
          <Amt>100000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>unicef usa</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>125 Maiden Lane</AddressLine1Txt>
            <CityNm>New York</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10038</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>n/a</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>General Support</GrantOrContributionPurposeTxt>
          <Amt>10000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>The Optimists Inc</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>36-46 37th St</AddressLine1Txt>
            <CityNm>Long Island City</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>11101</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>n/a</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>general support</GrantOrContributionPurposeTxt>
          <Amt>5000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>Weill Cornell Medicine</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1300 York Avenue Box 314</AddressLine1Txt>
            <CityNm>new york</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10065</ZIPCd>
          </RecipientUSAddress>
          <RecipientRelationshipTxt>n/a</RecipientRelationshipTxt>
          <RecipientFoundationStatusTxt>PC</RecipientFoundationStatusTxt>
          <GrantOrContributionPurposeTxt>General Support</GrantOrContributionPurposeTxt>
          <Amt>100000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>215000</TotalGrantOrContriPdDurYrAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <FeesContractsFromGovtAgGrp />
        <MembershipDuesAndAssmntGrp />
        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>64</ExclusionAmt>
        </IntOnSavAndTempCashInvstGrp>
        <DivAndIntFromSecPartVIIGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>1982</ExclusionAmt>
        </DivAndIntFromSecPartVIIGrp>
        <NetRntlIncmReDebtFincdPropGrp />
        <NetRntlIncmReNotDebtFincdProp />
        <NetRentalIncomePersonalPropGrp />
        <OtherInvestmentIncmPartVIIGrp />
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>767497</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <NetIncomeLossFromSpecialEvtGrp />
        <GrossProfitLossSlsOfInvntryGrp />
        <OtherRevenueDescribedGrp>
          <Desc>PARTNERSHIP INCOME</Desc>
          <ExclusionCd>01</ExclusionCd>
          <ExclusionAmt>274</ExclusionAmt>
        </OtherRevenueDescribedGrp>
        <SubtotalsIncmProducingActyGrp>
          <ExclusionAmt>769817</ExclusionAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>769817</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>Dr Roderick Wong</ContributorPersonNm>
        <ContributorUSAddress>
          <AddressLine1Txt>40 10th Ave floor 7</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10014</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>4824295</TotalContributionsAmt>
        <NoncashContributionInd>X</NoncashContributionInd>
      </ContributorInformationGrp>
      <ContributorInformationGrp>
        <ContributorNum>2</ContributorNum>
        <ContributorPersonNm>Dr Roderick Wong</ContributorPersonNm>
        <ContributorUSAddress>
          <AddressLine1Txt>40 10th Ave floor 7</AddressLine1Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10014</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>85000</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
      </ContributorInformationGrp>
      <ContributorInformationGrp>
        <ContributorNum>3</ContributorNum>
        <ContributorPersonNm>Hitachi Advanced Therapeutics</ContributorPersonNm>
        <ContributorUSAddress>
          <AddressLine1Txt>c/o RTW 40 10th Ave Floor 7</AddressLine1Txt>
          <CityNm>new york</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10014</ZIPCd>
        </ContributorUSAddress>
        <TotalContributionsAmt>5000</TotalContributionsAmt>
        <PersonContributionInd>X</PersonContributionInd>
      </ContributorInformationGrp>
      <NonCashPropertyContributionGrp>
        <ContributorNum>1</ContributorNum>
        <NoncashPropertyDesc>101,500 shs immunovant, inc</NoncashPropertyDesc>
        <FairMarketValueAmt>4824295</FairMarketValueAmt>
        <ReceivedDt>2020-12-31</ReceivedDt>
      </NonCashPropertyContributionGrp>
    </IRS990ScheduleB>
    <AccountingFeesSchedule documentId="AccountingFeesSch">
      <AccountingFeesDetail>
        <CategoryTxt>SCHALL &amp; ASHENFARB</CategoryTxt>
        <Amt>10000</Amt>
        <NetInvestmentIncomeAmt>5000</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>5000</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
      <AccountingFeesDetail>
        <CategoryTxt>EISNERAMPER LLP</CategoryTxt>
        <Amt>10571</Amt>
        <NetInvestmentIncomeAmt>5285</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>5286</DisbursementsCharitablePrpsAmt>
      </AccountingFeesDetail>
    </AccountingFeesSchedule>
    <DepreciationSchedule documentId="DepreciationSch" />
    <InvestmentsCorpStockSchedule documentId="InvestCorpStockSch">
      <InvestmentsCorporateStockGrp>
        <StockNm>101,500 SHS IMMUNOVANT PHARM</StockNm>
        <EOYBookValueAmt>4688285</EOYBookValueAmt>
        <EOYFMVAmt>4688285</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <InvestmentsOtherSchedule2 documentId="InvOtherSch2">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>RTW INNOVATION ONSHORE FUND</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>FMV</ListedAtCostOrFMVCd>
        <BookValueAmt>1059339</BookValueAmt>
        <EOYFMVAmt>1059339</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <OtherAssetsSchedule documentId="OtherAssetsSch">
      <OtherAssetsScheduleGrp>
        <Desc>PREPAID TAXES</Desc>
        <BOYBookValueAmt>0</BOYBookValueAmt>
        <EOYBookValueAmt>11000</EOYBookValueAmt>
        <EOYFMVAmt>11000</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherDecreasesSchedule documentId="OtherDecreasesSch">
      <OtherDecreasesDetail>
        <Desc>UNREALIZED LOSS</Desc>
        <Amt>570357</Amt>
      </OtherDecreasesDetail>
    </OtherDecreasesSchedule>
    <OtherExpensesSchedule documentId="OtherExpensesSch">
      <OtherExpensesScheduleGrp>
        <Desc>OTHER FEES</Desc>
        <RevenueAndExpensesPerBooksAmt>374</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>374</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>INVESTMENT EXPENSES</Desc>
        <RevenueAndExpensesPerBooksAmt>270</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>270</NetInvestmentIncomeAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>OTHER EXPENSES THROUGH K-1:</Desc>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>OTHER EXPENSES</Desc>
        <RevenueAndExpensesPerBooksAmt>2593</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>2593</NetInvestmentIncomeAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSch2">
      <OtherIncomeDetail>
        <Desc>Income Through K-1 RTW Innovation</Desc>
        <RevenueAndExpensesPerBooksAmt>274</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>274</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherProfessionalFeesSchedule documentId="OthProfFeesSch">
      <OtherProfessionalFeesDetail>
        <CategoryTxt>CONSULTING FEES</CategoryTxt>
        <Amt>78644</Amt>
        <DisbursementsCharitablePrpsAmt>78644</DisbursementsCharitablePrpsAmt>
      </OtherProfessionalFeesDetail>
    </OtherProfessionalFeesSchedule>
  </ReturnData>
</Return>
