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        <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 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>245726.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>152571273.40000000</valUSD>
        <pctVal>8.181080277968</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 Strategic Income Opportunities Portfolio</name>
        <lei>WMEVRQ7LCLDEFWERGI49</lei>
        <title>BlackRock Strategic Income Opportunities Portfolio</title>
        <cusip>09260B374</cusip>
        <identifiers>
          <isin value="US09260B3740"/>
          <ticker value="BSIKX"/>
        </identifiers>
        <balance>11386794.44500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>110338038.17000000</valUSD>
        <pctVal>5.916476462877</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>158886.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>38183483.52000000</valUSD>
        <pctVal>2.047450591505</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 Technology Opportunities</name>
        <lei>549300ED38YSMGQKQY06</lei>
        <title>Blackrock Technology Opportunities</title>
        <cusip>09258N158</cusip>
        <identifiers>
          <isin value="US09258N1587"/>
          <ticker value="BTEKX"/>
        </identifiers>
        <balance>1193212.29600000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>95910404.35000000</valUSD>
        <pctVal>5.142847011721</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>1247866.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>57688845.18000000</valUSD>
        <pctVal>3.093354751805</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>International Tilts Master for BR_GRW</name>
        <lei>N/A</lei>
        <title>International Tilts Master for BR_GRW</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="INTERNAL" value="BRTCP5TD5"/>
        </identifiers>
        <balance>2759145.20000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>59524418.97000000</valUSD>
        <pctVal>3.191780728055</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>1552716.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>93209541.48000000</valUSD>
        <pctVal>4.998023051962</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 J.P. Morgan USD Emerging Markets Bond ETF</name>
        <lei>54930070R8WH6MNUJG74</lei>
        <title>iShares J.P. Morgan USD Emerging Markets Bond ETF</title>
        <cusip>464288281</cusip>
        <identifiers>
          <isin value="US4642882819"/>
          <ticker value="EMB"/>
        </identifiers>
        <balance>390553.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>36173018.86000000</valUSD>
        <pctVal>1.939646727692</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="35811245.14000000"/>
        </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>1262116.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>128230985.60000000</valUSD>
        <pctVal>6.875920767641</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 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>789006.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>144246076.92000000</valUSD>
        <pctVal>7.734671860348</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 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>58024033.48000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>58047243.09000000</valUSD>
        <pctVal>3.112572537747</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <cashCollateralCondition cashCollateralVal="58047243.09000000" isCashCollateral="Y"/>
          <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>20157587.48800000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>199761692.01000000</valUSD>
        <pctVal>10.71149504344</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 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>8210002.17500000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>74054219.62000000</valUSD>
        <pctVal>3.970888504320</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 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>177730.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>54092125.50000000</valUSD>
        <pctVal>2.900493725062</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>1246383.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>137226768.30000000</valUSD>
        <pctVal>7.358286935216</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>2443055.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>133048775.30000000</valUSD>
        <pctVal>7.134257238326</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 International Aggregate Bond ETF</name>
        <lei>549300FPQU8XYG8LAX15</lei>
        <title>iShares Core International Aggregate Bond ETF</title>
        <cusip>46435G672</cusip>
        <identifiers>
          <isin value="US46435G6724"/>
          <ticker value="IAGG"/>
        </identifiers>
        <balance>1063194.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>54318581.46000000</valUSD>
        <pctVal>2.912636603252</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>
