<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/nport" xmlns:com="http://www.sec.gov/edgar/common" xmlns:ncom="http://www.sec.gov/edgar/nportcommon" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sec.gov/edgar/nport eis_NPORT_Filer.xsd">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>

      <filer>
        <issuerCredentials>
          <cik>0000732697</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


      <seriesClassInfo>
        <seriesId>S000019982</seriesId>
        <classId>C000056040</classId>
        <classId>C000074787</classId>
      </seriesClassInfo>


    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>ULTRA SERIES FUND</regName>
      <regFileNumber>811-04815</regFileNumber>
      <regCik>0000732697</regCik>
      <regLei>254900JPNAJ16VJV5X45</regLei>
      <regStreet1>550 SCIENCE DRIVE</regStreet1>
      <regCity>MADISON</regCity>
      <regStateConditional regCountry="US" regState="US-WI"/>
      <regZipOrPostalCode>53711</regZipOrPostalCode>
      <regPhone>608-274-0300</regPhone>
      <seriesName>Large Cap Growth Fund</seriesName>
      <seriesId>S000019982</seriesId>
      <seriesLei>254900ELEL08CEULX196</seriesLei>
      <repPdEnd>2021-12-31</repPdEnd>
      <repPdDate>2021-09-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>218054097.87</totAssets>
      <totLiabs>193573.18</totLiabs>
      <netAssets>217860524.69</netAssets>
      <assetsAttrMiscSec>0.00000000</assetsAttrMiscSec>
      <assetsInvested>0.00000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.00000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.00000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.00000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.00000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.00000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.00000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.00000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.00000000</amtPayAftOneYrOther>
      <delayDeliv>0.00000000</delayDeliv>
      <standByCommit>0.00000000</standByCommit>
      <liquidPref>0.00000000</liquidPref>
      <cshNotRptdInCorD>0.00000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000056040" rtn1="2.84000000" rtn2="2.60000000" rtn3="-5.16000000"/>
          <monthlyTotReturn classId="C000074787" rtn1="2.82000000" rtn2="2.58000000" rtn3="-5.18000000"/>
        </monthlyTotReturns>
        <othMon1 netRealizedGain="-1901.43000000" netUnrealizedAppr="6380451.69000000"/>
        <othMon2 netRealizedGain="1455864.44000000" netUnrealizedAppr="4456357.04000000"/>
        <othMon3 netRealizedGain="2891750.68000000" netUnrealizedAppr="-14764602.03000000"/>
      </returnInfo>
      <mon1Flow redemption="2466577.77000000" reinvestment="0.00000000" sales="613623.04000000"/>
      <mon2Flow redemption="1906816.39000000" reinvestment="0.00000000" sales="175235.50000000"/>
      <mon3Flow redemption="3148635.58000000" reinvestment="0.00000000" sales="212038.81000000"/>


    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>Accenture PLC</name>
        <lei>N/A</lei>
        <title>Accenture PLC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="IE00B4BNMY34"/>
        </identifiers>
        <balance>19776.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6326737.92000000</valUSD>
        <pctVal>2.904031342530</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IE</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Progressive Corp/The</name>
        <lei>529900TACNVLY9DCR586</lei>
        <title>Progressive Corp/The</title>
        <cusip>743315103</cusip>
        <identifiers>
          <isin value="US7433151039"/>
        </identifiers>
        <balance>93221.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8426246.19000000</valUSD>
        <pctVal>3.867725097050</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>Liberty Broadband Corp</name>
        <lei>549300MIX43II8JLN536</lei>
        <title>Liberty Broadband Corp</title>
        <cusip>530307305</cusip>
        <identifiers>
          <isin value="US5303073051"/>
        </identifiers>
        <balance>62011.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>10709299.70000000</valUSD>
        <pctVal>4.915667817856</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>Arch Capital Group Ltd</name>
        <lei>549300AYR4P8AFKDCE43</lei>
        <title>Arch Capital Group Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="BMG0450A1053"/>
        </identifiers>
        <balance>171446.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6545808.28000000</valUSD>
        <pctVal>3.004586668151</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>BM</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Linde PLC</name>
        <lei>8945002PAZHZLBGKGF02</lei>
        <title>Linde PLC</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="IE00BZ12WP82"/>
        </identifiers>
        <balance>14916.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4376056.08000000</valUSD>
        <pctVal>2.008650298729</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>IE</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>PPG Industries Inc</name>
        <lei>549300BKPEP01R3V6C59</lei>
        <title>PPG Industries Inc</title>
        <cusip>693506107</cusip>
        <identifiers>
          <isin value="US6935061076"/>
        </identifiers>
        <balance>45000.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6435450.00000000</valUSD>
        <pctVal>2.953931194812</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>Alcon Inc</name>
        <lei>549300LDT5AP8S0NBM78</lei>
        <title>Alcon Inc</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="CH0432492467"/>
        </identifiers>
        <balance>91174.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7336771.78000000</valUSD>
        <pctVal>3.367646245431</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>Visa Inc</name>
        <lei>549300JZ4OKEHW3DPJ59</lei>
        <title>Visa Inc</title>
        <cusip>92826C839</cusip>
        <identifiers>
          <isin value="US92826C8394"/>
        </identifiers>
        <balance>34303.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7640993.25000000</valUSD>
        <pctVal>3.507286719736</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>Fiserv Inc</name>
        <lei>GI7UBEJLXYLGR2C7GV83</lei>
        <title>Fiserv Inc</title>
        <cusip>337738108</cusip>
        <identifiers>
          <isin value="US3377381088"/>
        </identifiers>
        <balance>88547.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>9607349.50000000</valUSD>
        <pctVal>4.409862463000</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>Lowe's Cos Inc</name>
        <lei>WAFCR4OKGSC504WU3E95</lei>
        <title>Lowe's Cos Inc</title>
        <cusip>548661107</cusip>
        <identifiers>
          <isin value="US5486611073"/>
        </identifiers>
        <balance>47492.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>9634227.12000000</valUSD>
        <pctVal>4.422199539686</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>Becton Dickinson and Co</name>
        <lei>ICE2EP6D98PQUILVRZ91</lei>
        <title>Becton Dickinson and Co</title>
        <cusip>075887109</cusip>
        <identifiers>
          <isin value="US0758871091"/>
        </identifiers>
        <balance>40033.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>9840912.06000000</valUSD>
        <pctVal>4.517069842736</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>American Tower Corp</name>
        <lei>5493006ORUSIL88JOE18</lei>
        <title>American Tower Corp</title>
        <cusip>03027X100</cusip>
        <identifiers>
          <isin value="US03027X1000"/>
        </identifiers>
        <balance>20434.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5423387.94000000</valUSD>
        <pctVal>2.489385329314</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerConditional desc="REIT" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Dollar Tree Inc</name>
        <lei>549300PMSTQITB1WHR43</lei>
        <title>Dollar Tree Inc</title>
        <cusip>256746108</cusip>
        <identifiers>
          <isin value="US2567461080"/>
        </identifiers>
        <balance>68445.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6551555.40000000</valUSD>
        <pctVal>3.007224649496</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>Adobe Inc</name>
        <lei>FU4LY2G4933NH2E1CP29</lei>
        <title>Adobe Inc</title>
        <cusip>00724F101</cusip>
        <identifiers>
          <isin value="US00724F1012"/>
        </identifiers>
        <balance>7724.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4446861.28000000</valUSD>
        <pctVal>2.041150541764</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>4318.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>11508808.58000000</valUSD>
        <pctVal>5.282649803756</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>Marsh &amp; McLennan Cos Inc</name>
        <lei>549300XMP3KDCKJXIU47</lei>
        <title>Marsh &amp; McLennan Cos Inc</title>
        <cusip>571748102</cusip>
        <identifiers>
          <isin value="US5717481023"/>
        </identifiers>
        <balance>50397.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7631617.71000000</valUSD>
        <pctVal>3.502983259982</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>PACCAR Inc</name>
        <lei>KDTEY8BWE486IKZ3CC07</lei>
        <title>PACCAR Inc</title>
        <cusip>693718108</cusip>
        <identifiers>
          <isin value="US6937181088"/>
        </identifiers>
        <balance>97016.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7656502.72000000</valUSD>
        <pctVal>3.514405710210</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>TJX Cos Inc/The</name>
        <lei>V167QI9I69W364E2DY52</lei>
        <title>TJX Cos Inc/The</title>
        <cusip>872540109</cusip>
        <identifiers>
          <isin value="US8725401090"/>
        </identifiers>
        <balance>106054.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6997442.92000000</valUSD>
        <pctVal>3.211891153735</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>Berkshire Hathaway Inc</name>
        <lei>5493000C01ZX7D35SD85</lei>
        <title>Berkshire Hathaway Inc</title>
        <cusip>084670702</cusip>
        <identifiers>
          <isin value="US0846707026"/>
        </identifiers>
        <balance>28080.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7664155.20000000</valUSD>
        <pctVal>3.517918269454</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>US Bancorp</name>
        <lei>N1GZ7BBF3NP8GI976H15</lei>
        <title>US Bancorp</title>
        <cusip>902973304</cusip>
        <identifiers>
          <isin value="US9029733048"/>
        </identifiers>
        <balance>140865.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8373015.60000000</valUSD>
        <pctVal>3.843291762890</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>State Street Global Advisors</name>
        <lei>549300BZ5TGIFZUZDZ37</lei>
        <title>State Street Institutional US Government Money Market Fund</title>
        <cusip>857492706</cusip>
        <identifiers>
          <isin value="US8574927062"/>
        </identifiers>
        <balance>2301590.36000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2301590.36000000</valUSD>
        <pctVal>1.056451306759</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>STIV</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>Analog Devices Inc</name>
        <lei>GYVOE5EZ4GDAVTU4CQ61</lei>
        <title>Analog Devices Inc</title>
        <cusip>032654105</cusip>
        <identifiers>
          <isin value="US0326541051"/>
        </identifiers>
        <balance>46299.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7754156.52000000</valUSD>
        <pctVal>3.559229709482</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>Facebook Inc</name>
        <lei>BQ4BKCS1HXDV9HN80Z93</lei>
        <title>Facebook Inc</title>
        <cusip>30303M102</cusip>
        <identifiers>
          <isin value="US30303M1027"/>
        </identifiers>
        <balance>18264.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6198618.96000000</valUSD>
        <pctVal>2.845223552463</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>Jacobs Engineering Group Inc</name>
        <lei>549300CZ8QS1GE53O776</lei>
        <title>Jacobs Engineering Group Inc</title>
        <cusip>469814107</cusip>
        <identifiers>
          <isin value="US4698141078"/>
        </identifiers>
        <balance>65189.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8639498.17000000</valUSD>
        <pctVal>3.965609732324</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>TE Connectivity Ltd</name>
        <lei>894500ZRIX9K13RHXR17</lei>
        <title>TE Connectivity Ltd</title>
        <cusip>000000000</cusip>
        <identifiers>
          <isin value="CH0102993182"/>
        </identifiers>
        <balance>48760.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6690847.20000000</valUSD>
        <pctVal>3.071160876675</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>Copart Inc</name>
        <lei>549300KVYX3JWMYEHU61</lei>
        <title>Copart Inc</title>
        <cusip>217204106</cusip>
        <identifiers>
          <isin value="US2172041061"/>
        </identifiers>
        <balance>47303.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6561872.16000000</valUSD>
        <pctVal>3.011960137953</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>Danaher Corp</name>
        <lei>S4BKK9OTCEWQ3YHPFM11</lei>
        <title>Danaher Corp</title>
        <cusip>235851102</cusip>
        <identifiers>
          <isin value="US2358511028"/>
        </identifiers>
        <balance>20653.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>6287599.32000000</valUSD>
        <pctVal>2.886066362387</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>Novartis AG</name>
        <lei>5493007HIVTX6SY6XD66</lei>
        <title>Novartis AG</title>
        <cusip>66987V109</cusip>
        <identifiers>
          <isin value="US66987V1098"/>
        </identifiers>
        <balance>89203.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7295021.34000000</valUSD>
        <pctVal>3.348482406521</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>Brookfield Asset Management Inc</name>
        <lei>C6J3FGIWG6MBDGTE8F80</lei>
        <title>Brookfield Asset Management Inc</title>
        <cusip>112585104</cusip>
        <identifiers>
          <isin value="CA1125851040"/>
        </identifiers>
        <balance>160978.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>8613932.78000000</valUSD>
        <pctVal>3.953874981370</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>CA</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Amazon.com Inc</name>
        <lei>ZXTILKJKG63JELOEG630</lei>
        <title>Amazon.com Inc</title>
        <cusip>023135106</cusip>
        <identifiers>
          <isin value="US0231351067"/>
        </identifiers>
        <balance>1317.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4326397.68000000</valUSD>
        <pctVal>1.985856632887</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>
    <signature>
      <ncom:dateSigned>2021-10-25</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>
  <documents>XXXX</documents>
</edgarSubmission>
