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        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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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="US912810TS78"/>
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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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        <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>BLACKROCK CASH FUNDS</name>
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        <name>Chicago Mercantile Exchange</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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          <maturityDt>2050-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.63000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="129373153.72089000"/>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>



      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>


    </explntrNotes>
    <signature>
      <ncom:dateSigned>2023-08-30</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds</ncom:nameOfApplicant>
      <ncom:signature>Chuck Pulsfort</ncom:signature>
      <ncom:signerName>Chuck Pulsfort</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
