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      <regCik>0000732697</regCik>
      <regLei>254900JPNAJ16VJV5X45</regLei>
      <regStreet1>550 SCIENCE DRIVE</regStreet1>
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      <regZipOrPostalCode>53711</regZipOrPostalCode>
      <regPhone>608-274-0300</regPhone>
      <seriesName>Large Cap Value Fund</seriesName>
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      <repPdEnd>2023-12-31</repPdEnd>
      <repPdDate>2023-06-30</repPdDate>
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      <totLiabs>109574.91</totLiabs>
      <netAssets>191222389.10</netAssets>
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      <assetsInvested>0.00000000</assetsInvested>
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      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
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        <name>United Parcel Service Inc</name>
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        <name>Union Pacific Corp</name>
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        <name>McDonald's Corp</name>
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        <name>Paychex Inc</name>
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        <name>EOG Resources Inc</name>
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        <name>Comcast Corp</name>
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        <name>Medtronic PLC</name>
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        <name>Procter &amp; Gamble Co/The</name>
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        <name>Lowe's Cos Inc</name>
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        <curCd>USD</curCd>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>State Street Global Advisors</name>
        <lei>549300BZ5TGIFZUZDZ37</lei>
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          <isin value="US8574927062"/>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>American Tower Corp</name>
        <lei>5493006ORUSIL88JOE18</lei>
        <title>American Tower Corp.</title>
        <cusip>03027X100</cusip>
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          <isin value="US03027X1000"/>
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        <balance>29000.00000000</balance>
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        <curCd>USD</curCd>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerConditional desc="REIT" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>Newmont Corp</name>
        <lei>549300VSP3RIX7FGDZ51</lei>
        <title>Newmont Corp.</title>
        <cusip>651639106</cusip>
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          <isin value="US6516391066"/>
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        <balance>78500.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>3348810.00000000</valUSD>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Chevron Corp</name>
        <lei>N/A</lei>
        <title>Chevron Corp.</title>
        <cusip>166764100</cusip>
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          <isin value="US1667641005"/>
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        <balance>39200.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>6168120.00000000</valUSD>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Target Corp</name>
        <lei>8WDDFXB5T1Z6J0XC1L66</lei>
        <title>Target Corp.</title>
        <cusip>87612E106</cusip>
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          <isin value="US87612E1064"/>
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        <balance>25500.00000000</balance>
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        <curCd>USD</curCd>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>Coca-Cola Co/The</name>
        <lei>UWJKFUJFZ02DKWI3RY53</lei>
        <title>Coca-Cola Co.</title>
        <cusip>191216100</cusip>
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          <isin value="US1912161007"/>
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        <balance>53000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>3191660.00000000</valUSD>
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        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      </invstOrSec>
      <invstOrSec>
        <name>US Bancorp</name>
        <lei>N1GZ7BBF3NP8GI976H15</lei>
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          <isin value="US9029733048"/>
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        <balance>132000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>4361280.00000000</valUSD>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      </invstOrSec>
      <invstOrSec>
        <name>Home Depot Inc/The</name>
        <lei>QEKMOTMBBKA8I816DO57</lei>
        <title>Home Depot, Inc.</title>
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          <isin value="US4370761029"/>
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        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Kinder Morgan Inc</name>
        <lei>549300WR7IX8XE0TBO16</lei>
        <title>Kinder Morgan, Inc.</title>
        <cusip>49456B101</cusip>
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          <isin value="US49456B1017"/>
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        <balance>274000.00000000</balance>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Analog Devices Inc</name>
        <lei>GYVOE5EZ4GDAVTU4CQ61</lei>
        <title>Analog Devices, Inc.</title>
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          <isin value="US0326541051"/>
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        <balance>14000.00000000</balance>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Aflac Inc</name>
        <lei>549300N0B7DOGLXWPP39</lei>
        <title>Aflac, Inc.</title>
        <cusip>001055102</cusip>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Pfizer Inc</name>
        <lei>765LHXWGK1KXCLTFYQ30</lei>
        <title>Pfizer, Inc.</title>
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        <curCd>USD</curCd>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Starbucks Corp</name>
        <lei>OQSJ1DU9TAOC51A47K68</lei>
        <title>Starbucks Corp.</title>
        <cusip>855244109</cusip>
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        <balance>31500.00000000</balance>
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        <valUSD>3120390.00000000</valUSD>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>Emerson Electric Co</name>
        <lei>FGLT0EWZSUIRRITFOA30</lei>
        <title>Emerson Electric Co.</title>
        <cusip>291011104</cusip>
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        <balance>23000.00000000</balance>
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        <curCd>USD</curCd>
        <valUSD>2078970.00000000</valUSD>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Morgan Stanley</name>
        <lei>IGJSJL3JD5P30I6NJZ34</lei>
        <title>Morgan Stanley</title>
        <cusip>617446448</cusip>
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        <balance>70000.00000000</balance>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Caterpillar Inc</name>
        <lei>WRJR7GS4GTRECRRTVX92</lei>
        <title>Caterpillar, Inc.</title>
        <cusip>149123101</cusip>
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          <isin value="US1491231015"/>
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        <balance>25700.00000000</balance>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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          <isCashCollateral>N</isCashCollateral>
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      <invstOrSec>
        <name>Automatic Data Processing Inc</name>
        <lei>HGBOLILQXWER4SAL2I23</lei>
        <title>Automatic Data Processing, Inc.</title>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Travelers Cos Inc/The</name>
        <lei>549300Y650407RU8B149</lei>
        <title>Travelers Cos., Inc.</title>
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        <fairValLevel>1</fairValLevel>
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          <isLoanByFund>N</isLoanByFund>
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      <invstOrSec>
        <name>JPMorgan Chase &amp; Co</name>
        <lei>8I5DZWZKVSZI1NUHU748</lei>
        <title>JPMorgan Chase &amp; Co.</title>
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        <valUSD>4217760.00000000</valUSD>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Bristol-Myers Squibb Co</name>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>Fastenal Co</name>
        <lei>529900PP0C7H2HHPSJ32</lei>
        <title>Fastenal Co.</title>
        <cusip>311900104</cusip>
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          <isin value="US3119001044"/>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
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        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2023-07-17</ncom:dateSigned>
      <ncom:nameOfApplicant>ULTRA SERIES FUND</ncom:nameOfApplicant>
      <ncom:signature>Greg Hoppe</ncom:signature>
      <ncom:signerName>Greg Hoppe</ncom:signerName>
      <ncom:title>Chief Financial Officer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
