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      <invstOrSec>
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      <invstOrSec>
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      <invstOrSec>
        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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          <isin value="US912797QB69"/>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>State Street Global Advisors</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <name>United States Treasury</name>
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        <name>United States Treasury</name>
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        <name>United States Treasury</name>
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    <explntrNotes>



    </explntrNotes>
    <signature>
      <ncom:dateSigned>2025-07-29</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>
