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      <regLei>549300T1UBX7MDSNZA55</regLei>
      <regStreet1>720 E WISCONSIN AVE</regStreet1>
      <regCity>MILWAUKEE</regCity>
      <regStateConditional regCountry="US" regState="US-WI"/>
      <regZipOrPostalCode>53202</regZipOrPostalCode>
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      <seriesId>S000000041</seriesId>
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      <repPdEnd>2025-12-31</repPdEnd>
      <repPdDate>2025-03-31</repPdDate>
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      <totLiabs>486137.13</totLiabs>
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      <assetsInvested>0.00000000</assetsInvested>
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        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>30635752.36000000</valUSD>
        <pctVal>2.940992284440</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>Analog Devices Inc</name>
        <lei>GYVOE5EZ4GDAVTU4CQ61</lei>
        <title>Analog Devices Inc</title>
        <cusip>032654105</cusip>
        <identifiers>
          <isin value="US0326541051"/>
        </identifiers>
        <balance>152877.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>30830704.59000000</valUSD>
        <pctVal>2.959707444346</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>Charles Schwab Corp/The</name>
        <lei>549300VSGCJ7E698NM85</lei>
        <title>Charles Schwab Corp/The</title>
        <cusip>808513105</cusip>
        <identifiers>
          <isin value="US8085131055"/>
        </identifiers>
        <balance>428000.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>33503840.00000000</valUSD>
        <pctVal>3.216324958540</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>Duke Energy Corp</name>
        <lei>I1BZKREC126H0VB1BL91</lei>
        <title>Duke Energy Corp</title>
        <cusip>26441C204</cusip>
        <identifiers>
          <isin value="US26441C2044"/>
        </identifiers>
        <balance>281442.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>34327480.74000000</valUSD>
        <pctVal>3.295393395738</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>185100.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>25878831.00000000</valUSD>
        <pctVal>2.484334035834</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>Allstate Corp/The</name>
        <lei>OBT0W1ED8G0NWVOLOJ77</lei>
        <title>Allstate Corp/The</title>
        <cusip>020002101</cusip>
        <identifiers>
          <isin value="US0200021014"/>
        </identifiers>
        <balance>150905.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>31247898.35000000</valUSD>
        <pctVal>2.999757501379</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>Dover Corp</name>
        <lei>549300FMC2ALGA7N9E80</lei>
        <title>Dover Corp</title>
        <cusip>260003108</cusip>
        <identifiers>
          <isin value="US2600031080"/>
        </identifiers>
        <balance>179042.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>31454098.56000000</valUSD>
        <pctVal>3.019552452701</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>Northrop Grumman Corp</name>
        <lei>RIMU48P07456QXSO0R61</lei>
        <title>Northrop Grumman Corp</title>
        <cusip>666807102</cusip>
        <identifiers>
          <isin value="US6668071029"/>
        </identifiers>
        <balance>73600.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>37683936.00000000</valUSD>
        <pctVal>3.617608724636</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>Electronic Arts Inc</name>
        <lei>549300O7A67PUEYKDL45</lei>
        <title>Electronic Arts Inc</title>
        <cusip>285512109</cusip>
        <identifiers>
          <isin value="US2855121099"/>
        </identifiers>
        <balance>223301.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>32271460.52000000</valUSD>
        <pctVal>3.098018135205</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>Travelers Cos Inc/The</name>
        <lei>549300Y650407RU8B149</lei>
        <title>Travelers Cos Inc/The</title>
        <cusip>89417E109</cusip>
        <identifiers>
          <isin value="US89417E1091"/>
        </identifiers>
        <balance>147449.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>38994362.54000000</valUSD>
        <pctVal>3.743407963975</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>Merck &amp; Co Inc</name>
        <lei>4YV9Y5M8S0BRK1RP0397</lei>
        <title>Merck &amp; Co Inc</title>
        <cusip>58933Y105</cusip>
        <identifiers>
          <isin value="US58933Y1055"/>
        </identifiers>
        <balance>286400.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>25707264.00000000</valUSD>
        <pctVal>2.467863827518</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>Hologic Inc</name>
        <lei>549300DYP6F5ZJL0LB74</lei>
        <title>Hologic Inc</title>
        <cusip>436440101</cusip>
        <identifiers>
          <isin value="US4364401012"/>
        </identifiers>
        <balance>423488.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>26158853.76000000</valUSD>
        <pctVal>2.511215855707</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>Baxter International Inc</name>
        <lei>J5OIVXX3P24RJRW5CK77</lei>
        <title>Baxter International Inc</title>
        <cusip>071813109</cusip>
        <identifiers>
          <isin value="US0718131099"/>
        </identifiers>
        <balance>961633.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>32916697.59000000</valUSD>
        <pctVal>3.159960052681</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>2025-04-25</ncom:dateSigned>
      <ncom:nameOfApplicant>NORTHWESTERN MUTUAL SERIES FUND INC</ncom:nameOfApplicant>
      <ncom:signature>Linda Wisniewski</ncom:signature>
      <ncom:signerName>Linda Wisniewski</ncom:signerName>
      <ncom:title>Controller and Chief Accounting Officer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
