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        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
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          <couponKind>None</couponKind>
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        <securityLending>
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      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
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        <securityLending>
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      <invstOrSec>
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        <fairValLevel>2</fairValLevel>
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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>
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        <cusip>912797SG3</cusip>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>None</couponKind>
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        <securityLending>
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      <invstOrSec>
        <name>United States Treasury</name>
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          <isin value="US912797SH12"/>
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        <curCd>USD</curCd>
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        <invCountry>US</invCountry>
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        <fairValLevel>2</fairValLevel>
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          <couponKind>None</couponKind>
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        <securityLending>
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      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bills</title>
        <cusip>912797SJ7</cusip>
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          <isin value="US912797SJ77"/>
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        <curCd>USD</curCd>
        <valUSD>2069077237.41000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-02-03</maturityDt>
          <couponKind>None</couponKind>
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          <isPaidKind>N</isPaidKind>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <loanByFundCondition isLoanByFund="Y" loanVal="448356211.49000000"/>
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      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
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        <cusip>912797SQ1</cusip>
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          <isin value="US912797SQ11"/>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2026-02-10</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <loanByFundCondition isLoanByFund="Y" loanVal="179310600.00000000"/>
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      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
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        <cusip>912797SR9</cusip>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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          <couponKind>None</couponKind>
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        <securityLending>
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      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
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        <fairValLevel>2</fairValLevel>
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        <securityLending>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <fairValLevel>2</fairValLevel>
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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>
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        <securityLending>
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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>
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        <name>State Street Global Advisors</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>



    </explntrNotes>
    <signature>
      <ncom:dateSigned>2026-01-16</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>
