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      <invstOrSec>
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      <invstOrSec>
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      <invstOrSec>
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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>Freddie Mac</name>
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        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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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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      <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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        <title>United States Treasury Note/Bond</title>
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        <curCd>USD</curCd>
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        <fairValLevel>2</fairValLevel>
        <debtSec>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <title>United States Treasury Note/Bond</title>
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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>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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      <invstOrSec>
        <name>United States Treasury</name>
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      <invstOrSec>
        <name>United States Treasury</name>
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        <title>United States Treasury Note/Bond</title>
        <cusip>912810RE0</cusip>
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        <name>United States Treasury</name>
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        <name>United States Treasury</name>
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          <annualizedRt>4.50000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="6079631.30151000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Note/Bond</title>
        <cusip>912810RB6</cusip>
        <identifiers>
          <isin value="US912810RB61"/>
        </identifiers>
        <balance>20550000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>19205419.87000000</valUSD>
        <pctVal>0.943020578570</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2043-05-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.88000000</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>TENN VALLEY AUTHORITY</name>
        <lei>549300HE1ISW43LNKM54</lei>
        <title>Tennessee Valley Authority</title>
        <cusip>880591CS9</cusip>
        <identifiers>
          <isin value="US880591CS97"/>
        </identifiers>
        <balance>6741000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>8515227.76000000</valUSD>
        <pctVal>0.418112963072</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGA</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2036-04-01</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>5.88000000</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>United States Treasury Note/Bond</title>
        <cusip>912810SA7</cusip>
        <identifiers>
          <isin value="US912810SA79"/>
        </identifiers>
        <balance>6641000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>6388590.13000000</valUSD>
        <pctVal>0.313691239317</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2048-02-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>3.00000000</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>United States Treasury Note/Bond</title>
        <cusip>912810QC5</cusip>
        <identifiers>
          <isin value="US912810QC53"/>
        </identifiers>
        <balance>5478000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>6651918.31000000</valUSD>
        <pctVal>0.326621125482</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2039-08-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>4.50000000</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>United States Treasury Note/Bond</title>
        <cusip>912810ST6</cusip>
        <identifiers>
          <isin value="US912810ST60"/>
        </identifiers>
        <balance>16605000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>12266295.16000000</valUSD>
        <pctVal>0.602297103473</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <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>United States Treasury Note/Bond</title>
        <cusip>912810QQ4</cusip>
        <identifiers>
          <isin value="US912810QQ40"/>
        </identifiers>
        <balance>6317000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>7458254.87000000</valUSD>
        <pctVal>0.366213697499</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="4376721.67042000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>United States Treasury</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Treasury Note/Bond</title>
        <cusip>912810TF5</cusip>
        <identifiers>
          <isin value="US912810TF57"/>
        </identifiers>
        <balance>16605000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>14461917.19000000</valUSD>
        <pctVal>0.710106085056</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>United States Treasury Note/Bond</title>
        <cusip>912810QY7</cusip>
        <identifiers>
          <isin value="US912810QY73"/>
        </identifiers>
        <balance>47833000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>43944700.39000000</valUSD>
        <pctVal>2.157763645230</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>United States Treasury Note/Bond</title>
        <cusip>912810RG5</cusip>
        <identifiers>
          <isin value="US912810RG58"/>
        </identifiers>
        <balance>6308000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>6369601.53000000</valUSD>
        <pctVal>0.312758864984</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>United States Treasury Note/Bond</title>
        <cusip>912810SS8</cusip>
        <identifiers>
          <isin value="US912810SS87"/>
        </identifiers>
        <balance>264769000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>190840530.78000000</valUSD>
        <pctVal>9.370612512978</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>
          <loanByFundCondition isLoanByFund="Y" loanVal="30827093.28125000"/>
        </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>2022-08-30</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds</ncom:nameOfApplicant>
      <ncom:signature>Ann Frechette</ncom:signature>
      <ncom:signerName>Ann Frechette</ncom:signerName>
      <ncom:title>Assistant Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
