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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>None</couponKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
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        <valUSD>2740513767.96000000</valUSD>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-08-11</maturityDt>
          <couponKind>None</couponKind>
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        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>None</couponKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <loanByFundCondition isLoanByFund="Y" loanVal="293146376.35000000"/>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <securityLending>
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      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bills</title>
        <cusip>912797VC8</cusip>
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          <isin value="US912797VC87"/>
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      <invstOrSec>
        <name>United States Treasury</name>
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          <isin value="US912797VD60"/>
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        <debtSec>
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          <couponKind>None</couponKind>
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          <isDefault>N</isDefault>
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        <securityLending>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-09-29</maturityDt>
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        <securityLending>
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      </invstOrSec>
      <invstOrSec>
        <name>State Street Global Advisors</name>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>State Street Global Advisors</name>
        <lei>549300BZ5TGIFZUZDZ37</lei>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>



    </explntrNotes>
    <signature>
      <ncom:dateSigned>2026-07-29</ncom:dateSigned>
      <ncom:nameOfApplicant>SPDR SERIES TRUST</ncom:nameOfApplicant>
      <ncom:signature>Arthur Jensen</ncom:signature>
      <ncom:signerName>Arthur Jensen</ncom:signerName>
      <ncom:title>Deputy Treasurer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
