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        <name>Assembly Biosciences Inc</name>
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        <name>Kadmon Holdings Inc</name>
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        <name>State Street Global Advisors</name>
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        <name>Viela Bio Inc</name>
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      <invstOrSec>
        <name>ImmunoGen Inc</name>
        <lei>54930084U0R1OP766Y02</lei>
        <title>ImmunoGen Inc</title>
        <cusip>45253H101</cusip>
        <identifiers>
          <isin value="US45253H1014"/>
        </identifiers>
        <balance>5430989.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>24982549.40000000</valUSD>
        <pctVal>0.478299756146</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>

    </explntrNotes>
    <signature>
      <ncom:dateSigned>2020-07-29</ncom:dateSigned>
      <ncom:nameOfApplicant>SPDR SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Daniel Foley</ncom:signature>
      <ncom:signerName>Daniel Foley</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
