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          <Amt>200000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>CAMBRIDGE PUBLIC SCHOOLS</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>159 THORNDIKE STREET</AddressLine1Txt>
            <CityNm>CAMBRIDGE</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02141</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>284907</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>CENTER ON BUDGET AND POLICY PRIORITIES</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>820 FIRST STREET NE</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20002</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>300000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>CHORUS AMERICA</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>1200 18TH STREET NW SUITE 1250</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20036</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>50000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>CITY OF CAMBRIDGE MAYOR'S DISASTERRELIEF FUND</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>795 MASSACHUSETTS AVENUE</AddressLine1Txt>
            <CityNm>CAMBRIDGE</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02139</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>200000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>EMMANUEL MUSIC</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>15 NEWBURY STREET</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02116</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>250000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>FIDELITY CHARITABLE GIFT FUND</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>200 SEAPORT BOULEVARD MZ NM43A</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02210</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>3941500</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>FOOD FOR FREE</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>11 INMAN STREET</AddressLine1Txt>
            <CityNm>CAMBRIDGE</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02139</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>550000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>FOOD LINK INC</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>32 OLDHAM ROAD</AddressLine1Txt>
            <CityNm>ARLINGTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02474</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>300000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>MASSACHUSETTS INSTITUTE OF TECHNOLOGY</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>77 MASSACHUSETTS AVENUE</AddressLine1Txt>
            <CityNm>CAMBRIDGE</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02139</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>5000000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>PARENTCHILD INC</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>163B MINEOLA BOULEVARD</AddressLine1Txt>
            <CityNm>MINEOLA</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>11501</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>250000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>SAN FRANCISCO FOUNDATION</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>ONE EMBARCADERO CENTER SUITE 1400</AddressLine1Txt>
            <CityNm>SAN FRANCISCO</CityNm>
            <StateAbbreviationCd>CA</StateAbbreviationCd>
            <ZIPCd>94111</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>4900000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>SOUTHERN POVERTY LAW CENTER INC</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>400 WASHINGTON AVENUE</AddressLine1Txt>
            <CityNm>MONTGOMERY</CityNm>
            <StateAbbreviationCd>AL</StateAbbreviationCd>
            <ZIPCd>36104</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>250000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>THE GREATER BOSTON FOOD BANK INC</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>70 SOUTH BAY AVENUE</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02118</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>1000000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <GrantOrContributionPdDurYrGrp>
          <RecipientBusinessName>
            <BusinessNameLine1Txt>WOMEN'S LUNCH PLACE</BusinessNameLine1Txt>
          </RecipientBusinessName>
          <RecipientUSAddress>
            <AddressLine1Txt>67 NEWBURY STREET</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02116</ZIPCd>
          </RecipientUSAddress>
          <GrantOrContributionPurposeTxt>GENERAL USE</GrantOrContributionPurposeTxt>
          <Amt>500000</Amt>
        </GrantOrContributionPdDurYrGrp>
        <TotalGrantOrContriPdDurYrAmt>17976407</TotalGrantOrContriPdDurYrAmt>
        <TotalGrantOrContriApprvFutAmt>0</TotalGrantOrContriApprvFutAmt>
      </SupplementaryInformationGrp>
      <AnalysisIncomeProducingActyGrp>
        <IntOnSavAndTempCashInvstGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>1686</ExclusionAmt>
        </IntOnSavAndTempCashInvstGrp>
        <DivAndIntFromSecPartVIIGrp>
          <ExclusionCd>14</ExclusionCd>
          <ExclusionAmt>549050</ExclusionAmt>
        </DivAndIntFromSecPartVIIGrp>
        <OtherInvestmentIncmPartVIIGrp>
          <BusinessCd>541700</BusinessCd>
          <UnrelatedBusinessTaxblIncmAmt>49223</UnrelatedBusinessTaxblIncmAmt>
        </OtherInvestmentIncmPartVIIGrp>
        <GainSalesAstOthThanInvntryGrp>
          <ExclusionCd>18</ExclusionCd>
          <ExclusionAmt>3197345</ExclusionAmt>
        </GainSalesAstOthThanInvntryGrp>
        <SubtotalsIncmProducingActyGrp>
          <UnrelatedBusinessTaxblIncmAmt>49223</UnrelatedBusinessTaxblIncmAmt>
          <ExclusionAmt>3748081</ExclusionAmt>
          <RelatedOrExemptFunctionIncmAmt>0</RelatedOrExemptFunctionIncmAmt>
        </SubtotalsIncmProducingActyGrp>
        <TotalIncomeProducingActyAmt>3797304</TotalIncomeProducingActyAmt>
      </AnalysisIncomeProducingActyGrp>
      <TrnsfrTransRlnNonchrtblEOGrp>
        <TrnsfrOfCashToNonchrtblEOInd>0</TrnsfrOfCashToNonchrtblEOInd>
        <TrnsfrOtherAssetNonchrtblEOInd>0</TrnsfrOtherAssetNonchrtblEOInd>
        <SalesOrExchangesOfAssetsInd>0</SalesOrExchangesOfAssetsInd>
        <PurchaseOfAssetsNonchrtblEOInd>0</PurchaseOfAssetsNonchrtblEOInd>
        <RentalOfFacilitiesOthAssetsInd>0</RentalOfFacilitiesOthAssetsInd>
        <ReimbursementArrangementsInd>0</ReimbursementArrangementsInd>
        <LoansOrLoanGuaranteesInd>0</LoansOrLoanGuaranteesInd>
        <PerformanceOfServicesEtcInd>0</PerformanceOfServicesEtcInd>
        <SharingOfFacilitiesEtcInd>0</SharingOfFacilitiesEtcInd>
        <RelationshipsNonchrtblEOInd>0</RelationshipsNonchrtblEOInd>
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    </IRS990PF>
    <DissolutionStmt documentId="RetDoc2138700001">
      <DissolutionInformationGrp>
        <BusinessName>
          <BusinessNameLine1Txt>SEE FORM 990-PF PART XV LINE 3</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>ONE POST OFFICE SQUARE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02109</ZIPCd>
        </USAddress>
        <ShortExplanationTxt>DISTRIBUTIONS CONSTITUTING A SUBSTANTIAL CONTRACTION ARE DISCLOSED ON FORM 990-PF, PART XV, LINE 3. THERE IS NO PLAN OF DISSOLUTION OR LIQUIDATION.</ShortExplanationTxt>
        <DissolutionAmt>0</DissolutionAmt>
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    </DissolutionStmt>
    <InvestmentsCorpStockSchedule documentId="RetDoc2018900001">
      <InvestmentsCorporateStockGrp>
        <StockNm>ABBVIE INC.</StockNm>
        <EOYBookValueAmt>3585684</EOYBookValueAmt>
        <EOYFMVAmt>10715000</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
      <InvestmentsCorporateStockGrp>
        <StockNm>ENANTA PHARMACEUTICALS INC.</StockNm>
        <EOYBookValueAmt>5691389</EOYBookValueAmt>
        <EOYFMVAmt>6272436</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <InvestmentsGovtObligationsSch documentId="RetDoc2210400001">
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      <USGovtObligationsEOYFMVAmt>14988954</USGovtObligationsEOYFMVAmt>
      <StateLocalSecBookVlEOYAmt>0</StateLocalSecBookVlEOYAmt>
      <StateLocalSecEOYFMVAmt>0</StateLocalSecEOYFMVAmt>
    </InvestmentsGovtObligationsSch>
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      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>BIOVENTURES INVESTORS, LPII</CategoryOrItemTxt>
        <ListedAtCostOrFMVCd>AT COST</ListedAtCostOrFMVCd>
        <BookValueAmt>1047465</BookValueAmt>
        <EOYFMVAmt>1047465</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <LiquidationExplanationStmt documentId="RetDoc2210900001">
      <ExplanationTxt>THE FOUNDATION MADE SUBSTANTIAL CHARITABLE DISTRIBUTIONS DURING 2020 RELATIVE TO THE VALUE OF ITS ASSETS. SOME OF THE DISTRIBUTIONS WERE INSPIRED BY A DESIRE TO AMELIORATE THE EFFECTS OF ECONOMIC DISLOCATIONS RESULTING FROM THE COVID-19 PANDEMIC. THERE IS NO PLAN OF LIQUIDATION OR DISSOLUTION.</ExplanationTxt>
    </LiquidationExplanationStmt>
    <LegalFeesSchedule documentId="RetDoc2002100001">
      <LegalFeesGrp>
        <CategoryTxt>SULLIVAN &amp; WORCESTER LLP</CategoryTxt>
        <LegalFeesAmt>6081</LegalFeesAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>6081</DisbursementsCharitablePrpsAmt>
      </LegalFeesGrp>
    </LegalFeesSchedule>
    <OtherAssetsSchedule documentId="RetDoc2046600001">
      <OtherAssetsScheduleGrp>
        <Desc>DISTRIBUTION RECEIVABLE FROM BIOVENTURES INVESTORS LP II</Desc>
        <BOYBookValueAmt>0</BOYBookValueAmt>
        <EOYBookValueAmt>52832</EOYBookValueAmt>
        <EOYFMVAmt>52832</EOYFMVAmt>
      </OtherAssetsScheduleGrp>
    </OtherAssetsSchedule>
    <OtherExpensesSchedule documentId="RetDoc2003200001">
      <OtherExpensesScheduleGrp>
        <Desc>CUSTODIAL FEE (FIDUCIARY TRUST CO.)</Desc>
        <RevenueAndExpensesPerBooksAmt>15755</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>15755</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>2018 MA FORM PC FILING FEE</Desc>
        <RevenueAndExpensesPerBooksAmt>250</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>250</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>TAX RETURN SVC. (FIDUCIARY TR CO.)</Desc>
        <RevenueAndExpensesPerBooksAmt>490</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>490</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>BIOVENTURES INVESTORS LIMITED K-1 INTEREST EXPENSE</Desc>
        <RevenueAndExpensesPerBooksAmt>28556</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>BIOVENTURES INVESTORS LIMITED K-1 DEDUCTIONS</Desc>
        <RevenueAndExpensesPerBooksAmt>11396</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>BIOVENTURES INVESTORS LIMITED K-1 FOREIGN TAX PAID</Desc>
        <RevenueAndExpensesPerBooksAmt>15000</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="RetDoc2001500001">
      <OtherIncomeDetail>
        <Desc>BIOVENTURES INVESTORS LP II ORDINARY BUSINESS INCOME</Desc>
        <RevenueAndExpensesPerBooksAmt>22815</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
      </OtherIncomeDetail>
      <OtherIncomeDetail>
        <Desc>BIOVENTURES INVESTORS LP II DEBT-FINANCED INTEREST INCOME</Desc>
        <RevenueAndExpensesPerBooksAmt>26408</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <AdjustedNetIncomeAmt>0</AdjustedNetIncomeAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherIncreasesSchedule documentId="RetDoc2049700001">
      <OtherIncreasesDetail>
        <Desc>ADJUSTMENT FOR 2019 FORM 990-PF REFUND OF NET INVESTMENT INCOME TAX</Desc>
        <Amt>114260</Amt>
      </OtherIncreasesDetail>
    </OtherIncreasesSchedule>
    <TaxesSchedule documentId="RetDoc2002500001">
      <TaxesDetail>
        <CategoryTxt>2019 TAX PAYMENT FORM 990-T</CategoryTxt>
        <Amt>715</Amt>
        <NetInvestmentIncomeAmt>0</NetInvestmentIncomeAmt>
        <DisbursementsCharitablePrpsAmt>0</DisbursementsCharitablePrpsAmt>
      </TaxesDetail>
    </TaxesSchedule>
  </ReturnData>
</Return>
