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        </identifiers>
        <balance>419421.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7713152.19000000</valUSD>
        <pctVal>0.732743514385</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CW</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Walt Disney Co/The</name>
        <lei>549300GZKULIZ0WOW665</lei>
        <title>Walt Disney Co/The</title>
        <cusip>254687106</cusip>
        <identifiers>
          <isin value="US2546871060"/>
        </identifiers>
        <balance>178024.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>19851456.24000000</valUSD>
        <pctVal>1.885873045502</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Oracle Corp</name>
        <lei>1Z4GXXU7ZHVWFCD8TV52</lei>
        <title>Oracle Corp</title>
        <cusip>68389X105</cusip>
        <identifiers>
          <isin value="US68389X1054"/>
        </identifiers>
        <balance>794224.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>43896760.48000000</valUSD>
        <pctVal>4.170158419274</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Intuitive Surgical Inc</name>
        <lei>54930052SRG011710797</lei>
        <title>Intuitive Surgical Inc</title>
        <cusip>46120E602</cusip>
        <identifiers>
          <isin value="US46120E6023"/>
        </identifiers>
        <balance>21611.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>12314596.13000000</valUSD>
        <pctVal>1.169877142867</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Alphabet Inc</name>
        <lei>5493006MHB84DD0ZWV18</lei>
        <title>Alphabet Inc</title>
        <cusip>02079K107</cusip>
        <identifiers>
          <isin value="US02079K1079"/>
        </identifiers>
        <balance>21029.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29726804.69000000</valUSD>
        <pctVal>2.824023538425</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Monster Beverage Corp</name>
        <lei>52990090AP0E7HCB6F33</lei>
        <title>Monster Beverage Corp</title>
        <cusip>61174X109</cusip>
        <identifiers>
          <isin value="US61174X1090"/>
        </identifiers>
        <balance>490675.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>34013591.00000000</valUSD>
        <pctVal>3.231264934528</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Roche Holding AG</name>
        <lei>549300U41AUUVOAAOB37</lei>
        <title>Roche Holding AG</title>
        <cusip>771195104</cusip>
        <identifiers>
          <isin value="US7711951043"/>
        </identifiers>
        <balance>820699.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>35601922.62000000</valUSD>
        <pctVal>3.382155214478</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CH</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>QUALCOMM Inc</name>
        <lei>H1J8DDZKZP6H7RWC0H53</lei>
        <title>QUALCOMM Inc</title>
        <cusip>747525103</cusip>
        <identifiers>
          <isin value="US7475251036"/>
        </identifiers>
        <balance>242844.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>22149801.24000000</valUSD>
        <pctVal>2.104214049424</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Workday Inc</name>
        <lei>549300J0DYC0N31V7G13</lei>
        <title>Workday Inc</title>
        <cusip>98138H101</cusip>
        <identifiers>
          <isin value="US98138H1014"/>
        </identifiers>
        <balance>82183.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>15397806.88000000</valUSD>
        <pctVal>1.462779788231</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Varian Medical Systems Inc</name>
        <lei>TK3LAKL7I0QNTCVWSY07</lei>
        <title>Varian Medical Systems Inc</title>
        <cusip>92220P105</cusip>
        <identifiers>
          <isin value="US92220P1057"/>
        </identifiers>
        <balance>53137.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6510345.24000000</valUSD>
        <pctVal>0.618477781004</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FactSet Research Systems Inc</name>
        <lei>549300ZSJE7NBK6K9P30</lei>
        <title>FactSet Research Systems Inc</title>
        <cusip>303075105</cusip>
        <identifiers>
          <isin value="US3030751057"/>
        </identifiers>
        <balance>56507.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>18560854.29000000</valUSD>
        <pctVal>1.763266854774</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Deere &amp; Co</name>
        <lei>PWFTNG3EI0Y73OXWDH08</lei>
        <title>Deere &amp; Co</title>
        <cusip>244199105</cusip>
        <identifiers>
          <isin value="US2441991054"/>
        </identifiers>
        <balance>189337.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29754309.55000000</valUSD>
        <pctVal>2.826636478930</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Alphabet Inc</name>
        <lei>5493006MHB84DD0ZWV18</lei>
        <title>Alphabet Inc</title>
        <cusip>02079K305</cusip>
        <identifiers>
          <isin value="US02079K3059"/>
        </identifiers>
        <balance>20974.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>29742180.70000000</valUSD>
        <pctVal>2.825484247526</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>NVIDIA Corp</name>
        <lei>549300S4KLFTLO7GSQ80</lei>
        <title>NVIDIA Corp</title>
        <cusip>67066G104</cusip>
        <identifiers>
          <isin value="US67066G1040"/>
        </identifiers>
        <balance>120341.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>45718749.31000000</valUSD>
        <pctVal>4.343245954121</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Yum China Holdings Inc</name>
        <lei>529900DO9BYZ7VA3K502</lei>
        <title>Yum China Holdings Inc</title>
        <cusip>98850P109</cusip>
        <identifiers>
          <isin value="US98850P1093"/>
        </identifiers>
        <balance>216601.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>10412010.07000000</valUSD>
        <pctVal>0.989132933277</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>salesforce.com Inc</name>
        <lei>RCGZFPDMRW58VJ54VR07</lei>
        <title>salesforce.com Inc</title>
        <cusip>79466L302</cusip>
        <identifiers>
          <isin value="US79466L3024"/>
        </identifiers>
        <balance>230126.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>43109503.58000000</valUSD>
        <pctVal>4.095369620425</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</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>2020-07-27</ncom:dateSigned>
      <ncom:nameOfApplicant>NORTHWESTERN MUTUAL SERIES FUND INC</ncom:nameOfApplicant>
      <ncom:signature>Barbara Courtney</ncom:signature>
      <ncom:signerName>Barbara Courtney</ncom:signerName>
      <ncom:title>Controller and Chief Accounting Officer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
