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          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="825240.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Quality Factor ETF</name>
        <lei>5493007KMK0CQLE2O168</lei>
        <title>iShares MSCI USA Quality Factor ETF</title>
        <cusip>46432F339</cusip>
        <identifiers>
          <isin value="US46432F3394"/>
          <ticker value="QUAL"/>
        </identifiers>
        <balance>1248878.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>228319875.96000000</valUSD>
        <pctVal>10.66088403847</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares Core Total USD Bond Market ETF</name>
        <lei>549300IWM5U5LVTDP761</lei>
        <title>iShares Core Total USD Bond Market ETF</title>
        <cusip>46434V613</cusip>
        <identifiers>
          <isin value="US46434V6130"/>
          <ticker value="IUSB"/>
        </identifiers>
        <balance>2272393.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>105052728.39000000</valUSD>
        <pctVal>4.905201312774</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI EAFE Growth ETF</name>
        <lei>549300TM3QJ7458P4314</lei>
        <title>iShares MSCI EAFE Growth ETF</title>
        <cusip>464288885</cusip>
        <identifiers>
          <isin value="US4642888857"/>
          <ticker value="EFG"/>
        </identifiers>
        <balance>412981.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>46253872.00000000</valUSD>
        <pctVal>2.159720714849</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="3516800.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BlackRock US Mortgage Portfolio</name>
        <lei>7XZIIEG4IA6DDFOL6S68</lei>
        <title>BlackRock US Mortgage Portfolio</title>
        <cusip>56166L303</cusip>
        <identifiers>
          <isin value="US56166L3033"/>
          <ticker value="MSUMX"/>
        </identifiers>
        <balance>4608740.31600000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>41570837.65000000</valUSD>
        <pctVal>1.941056939110</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares Core MSCI Emerging Markets ETF</name>
        <lei>5493007C24Z3ZDJ0VD06</lei>
        <title>iShares Core MSCI Emerging Markets ETF</title>
        <cusip>46434G103</cusip>
        <identifiers>
          <isin value="US46434G1031"/>
          <ticker value="IEMG"/>
        </identifiers>
        <balance>2149389.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>129027821.67000000</valUSD>
        <pctVal>6.024664470307</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares MSCI USA Momentum Factor ETF</name>
        <lei>5493002ZOOZ0SN3YYI81</lei>
        <title>iShares MSCI USA Momentum Factor ETF</title>
        <cusip>46432F396</cusip>
        <identifiers>
          <isin value="US46432F3964"/>
          <ticker value="MTUM"/>
        </identifiers>
        <balance>273289.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>65676812.48000000</valUSD>
        <pctVal>3.066631316797</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BlackRock Total Return Fund</name>
        <lei>549300WQF7SM1NEFDT68</lei>
        <title>BlackRock Total Return Fund</title>
        <cusip>09252M743</cusip>
        <identifiers>
          <isin value="US09252M7433"/>
          <ticker value="MPHQX"/>
        </identifiers>
        <balance>10572611.43600000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>104774579.33000000</valUSD>
        <pctVal>4.892213766852</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares U.S. Equity Factor Rotation Active ETF</name>
        <lei>549300GSJ4RMBYLWSX89</lei>
        <title>iShares U.S. Equity Factor Rotation Active ETF</title>
        <cusip>09290C103</cusip>
        <identifiers>
          <isin value="US09290C1036"/>
          <ticker value="DYNF"/>
        </identifiers>
        <balance>3180174.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>173192276.04000000</valUSD>
        <pctVal>8.086824519587</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BlackRock Liquidity Funds T-Fund</name>
        <lei>5493002L9DNZ83RX7V61</lei>
        <title>BlackRock Liquidity Funds T-Fund</title>
        <cusip>09248U718</cusip>
        <identifiers>
          <isin value="US09248U7182"/>
          <ticker value="TSTXX"/>
        </identifiers>
        <balance>4699919.06000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4699919.06000000</valUSD>
        <pctVal>0.219452169366</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BlackRock Cash Funds - Institutional</name>
        <lei>549300JDHS1T46VWOG19</lei>
        <title>BlackRock Cash Funds - Institutional</title>
        <cusip>066922519</cusip>
        <identifiers>
          <isin value="US0669225197"/>
          <ticker value="BISXX"/>
        </identifiers>
        <balance>18312933.40000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>18320258.58000000</valUSD>
        <pctVal>0.855423346106</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="18320258.58000000" isCashCollateral="Y"/>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares S&amp;P 100 ETF</name>
        <lei>549300G3FWQPUM47D181</lei>
        <title>iShares S&amp;P 100 ETF</title>
        <cusip>464287101</cusip>
        <identifiers>
          <isin value="US4642871010"/>
          <ticker value="OEF"/>
        </identifiers>
        <balance>275872.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>83961643.20000000</valUSD>
        <pctVal>3.920400438515</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares 10-20 Year Treasury Bond ETF</name>
        <lei>549300MH5J7BUV0VS287</lei>
        <title>iShares 10-20 Year Treasury Bond ETF</title>
        <cusip>464288653</cusip>
        <identifiers>
          <isin value="US4642886539"/>
          <ticker value="TLH"/>
        </identifiers>
        <balance>622077.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>63203023.20000000</valUSD>
        <pctVal>2.951123279930</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares S&amp;P 500 Growth ETF</name>
        <lei>549300RYFG0B8O3DPR13</lei>
        <title>iShares S&amp;P 500 Growth ETF</title>
        <cusip>464287309</cusip>
        <identifiers>
          <isin value="US4642873099"/>
          <ticker value="IVW"/>
        </identifiers>
        <balance>1809791.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>199257989.10000000</valUSD>
        <pctVal>9.303904474385</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <loanByFundCondition isLoanByFund="Y" loanVal="13806540.00000000"/>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares Core S&amp;P 500 ETF</name>
        <lei>5493007M4YMN8XL48C14</lei>
        <title>iShares Core S&amp;P 500 ETF</title>
        <cusip>464287200</cusip>
        <identifiers>
          <isin value="US4642872000"/>
          <ticker value="IVV"/>
        </identifiers>
        <balance>453651.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>281671905.90000000</valUSD>
        <pctVal>13.15203730324</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>iShares S&amp;P 500 Value ETF</name>
        <lei>549300CBC7RH6BCDVO32</lei>
        <title>iShares S&amp;P 500 Value ETF</title>
        <cusip>464287408</cusip>
        <identifiers>
          <isin value="US4642874089"/>
          <ticker value="IVE"/>
        </identifiers>
        <balance>847263.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>165572135.46000000</valUSD>
        <pctVal>7.731019162131</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <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>2025-08-25</ncom:dateSigned>
      <ncom:nameOfApplicant>BlackRock Funds II</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>
