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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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      <invstOrSec>
        <name>United States Treasury</name>
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        <cusip>912810UA4</cusip>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <cusip>912810SJ8</cusip>
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          <isin value="US912810SJ88"/>
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        <fairValLevel>2</fairValLevel>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <cusip>912810TR9</cusip>
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          <isin value="US912810TR95"/>
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        <fairValLevel>2</fairValLevel>
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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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        <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>United States Treasury</name>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2040-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.38000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bonds</title>
        <cusip>912810TT5</cusip>
        <identifiers>
          <isin value="US912810TT51"/>
        </identifiers>
        <balance>68500000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>65877734.38000000</valUSD>
        <pctVal>2.542706407286</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2053-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.13000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="9617187.50000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FEDERAL HOME LOAN BANK</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Banks</title>
        <cusip>3133XFJ49</cusip>
        <identifiers>
          <isin value="US3133XFJ490"/>
        </identifiers>
        <balance>1000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>1104266.77000000</valUSD>
        <pctVal>0.042621778327</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2036-03-14</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.63000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bonds</title>
        <cusip>912810QQ4</cusip>
        <identifiers>
          <isin value="US912810QQ40"/>
        </identifiers>
        <balance>11317000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>11453157.66000000</valUSD>
        <pctVal>0.442061610646</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2041-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.38000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bonds</title>
        <cusip>912810TW8</cusip>
        <identifiers>
          <isin value="US912810TW80"/>
        </identifiers>
        <balance>15700000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>16399140.63000000</valUSD>
        <pctVal>0.632963479183</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2043-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.75000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bonds</title>
        <cusip>912810TF5</cusip>
        <identifiers>
          <isin value="US912810TF57"/>
        </identifiers>
        <balance>18905000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>14237828.13000000</valUSD>
        <pctVal>0.549542529850</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2042-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.38000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bonds</title>
        <cusip>912810QY7</cusip>
        <identifiers>
          <isin value="US912810QY73"/>
        </identifiers>
        <balance>47833000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>37825439.53000000</valUSD>
        <pctVal>1.459961978907</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2042-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.75000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bonds</title>
        <cusip>912810RG5</cusip>
        <identifiers>
          <isin value="US912810RG58"/>
        </identifiers>
        <balance>11308000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>9705444.38000000</valUSD>
        <pctVal>0.374604497905</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2044-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>3.38000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bonds</title>
        <cusip>912810SS8</cusip>
        <identifiers>
          <isin value="US912810SS87"/>
        </identifiers>
        <balance>127069000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>71952821.25000000</valUSD>
        <pctVal>2.777188701715</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <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>
          <isLoanByFund>N</isLoanByFund>
        </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>2024-08-28</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>
