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      </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>44230.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>24852837.00000000</valUSD>
        <pctVal>5.658549010795</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 Flexible Income Active ETF</name>
        <lei>5299008ELWKMLX9XJP73</lei>
        <title>iShares Flexible Income Active ETF</title>
        <cusip>092528603</cusip>
        <identifiers>
          <isin value="US0925286033"/>
          <ticker value="BINC"/>
        </identifiers>
        <balance>675486.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>35381956.68000000</valUSD>
        <pctVal>8.055842315773</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 Convertible Bond ETF</name>
        <lei>5493009GXGY863LN1X56</lei>
        <title>iShares Convertible Bond ETF</title>
        <cusip>46435G102</cusip>
        <identifiers>
          <isin value="US46435G1022"/>
          <ticker value="ICVT"/>
        </identifiers>
        <balance>205547.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>17185784.67000000</valUSD>
        <pctVal>3.912897543413</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>470691.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>48834191.25000000</valUSD>
        <pctVal>11.11867689755</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>145749.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>13203401.91000000</valUSD>
        <pctVal>3.006179810255</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="12882894.49000000"/>
        </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>255465.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>12456473.40000000</valUSD>
        <pctVal>2.836117471641</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 High Yield Systematic Bond ETF</name>
        <lei>54930005IQ49IXN46616</lei>
        <title>iShares High Yield Systematic Bond ETF</title>
        <cusip>46435G250</cusip>
        <identifiers>
          <isin value="US46435G2509"/>
          <ticker value="HYDB"/>
        </identifiers>
        <balance>186935.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8802769.15000000</valUSD>
        <pctVal>2.004233990107</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>2977887.66800000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>26800989.01000000</valUSD>
        <pctVal>6.102108578222</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>5556361.97700000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>52952129.64000000</valUSD>
        <pctVal>12.05625823699</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>7674798.20400000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>75750258.27000000</valUSD>
        <pctVal>17.24698669215</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>160005.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8635469.85000000</valUSD>
        <pctVal>1.966142914688</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 Value ETF</name>
        <lei>549300AN74D4XJZB8Y40</lei>
        <title>iShares MSCI EAFE Value ETF</title>
        <cusip>464288877</cusip>
        <identifiers>
          <isin value="US4642888774"/>
          <ticker value="EFV"/>
        </identifiers>
        <balance>158998.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>9371342.12000000</valUSD>
        <pctVal>2.133687944074</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>2025-05-27</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>
</edgarSubmission>
