<?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">
  <headerData>
    <submissionType>NPORT-P</submissionType>
    <isConfidential>false</isConfidential>
    <filerInfo>
      
      <filer>
        <issuerCredentials>
          <cik>0000933691</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      
      
      <seriesClassInfo>
        <seriesId>S000014517</seriesId>
        <classId>C000039495</classId>
        <classId>C000192203</classId>
      </seriesClassInfo>
      
      
    </filerInfo>
  </headerData>
  <formData>
    <genInfo>
      <regName>JNL Series Trust</regName>
      <regFileNumber>811-8894</regFileNumber>
      <regCik>0000933691</regCik>
      <regLei>549300T5WIPN6IWM0D45</regLei>
      <regStreet1>1 Corporate Way</regStreet1>
      <regCity>Lansing</regCity>
      <regStateConditional regCountry="US" regState="US-MI"/>
      <regZipOrPostalCode>48951</regZipOrPostalCode>
      <regPhone>517-367-4336</regPhone>
      <seriesName>JNL Moderate Growth Allocation Fund</seriesName>
      <seriesId>S000014517</seriesId>
      <seriesLei>549300ZFRW5TRM5UZV33</seriesLei>
      <repPdEnd>2026-12-31</repPdEnd>
      <repPdDate>2026-03-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
    <fundInfo>
      <totAssets>3196510650.760000000000</totAssets>
      <totLiabs>2482323.000000000000</totLiabs>
      <netAssets>3194028327.760000000000</netAssets>
      <assetsAttrMiscSec>0.000000000000</assetsAttrMiscSec>
      <assetsInvested>0.000000000000</assetsInvested>
      <amtPayOneYrBanksBorr>0.000000000000</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0.000000000000</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0.000000000000</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0.000000000000</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0.000000000000</amtPayAftOneYrBanksBorr>
      <amtPayAftOneYrCtrldComp>0.000000000000</amtPayAftOneYrCtrldComp>
      <amtPayAftOneYrOthAffil>0.000000000000</amtPayAftOneYrOthAffil>
      <amtPayAftOneYrOther>0.000000000000</amtPayAftOneYrOther>
      <delayDeliv>0.000000000000</delayDeliv>
      <standByCommit>0.000000000000</standByCommit>
      <liquidPref>0.000000000000</liquidPref>
      <cshNotRptdInCorD>0.000000000000</cshNotRptdInCorD>
      <isNonCashCollateral>N</isNonCashCollateral>
      <returnInfo>
        <monthlyTotReturns>
          <monthlyTotReturn classId="C000039495" rtn1="1.88" rtn2="1.71" rtn3="-5.21"/>
          <monthlyTotReturn classId="C000192203" rtn1="1.92" rtn2="1.71" rtn3="-5.21"/>
        </monthlyTotReturns>
        <monthlyReturnCats>
          <commodityContracts>
            <mon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <futureCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </optionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </swapCategory>
          </commodityContracts>
          <creditContracts>
            <mon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <optionCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </optionCategory>
            <swaptionCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </swaptionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </swapCategory>
          </creditContracts>
          <equityContracts>
            <mon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <futureCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </optionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </swapCategory>
          </equityContracts>
          <foreignExchgContracts>
            <mon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <forwardCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </forwardCategory>
            <futureCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </optionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </swapCategory>
          </foreignExchgContracts>
          <interestRtContracts>
            <mon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <mon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            <forwardCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </forwardCategory>
            <futureCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </futureCategory>
            <optionCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </optionCategory>
            <swaptionCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </swaptionCategory>
            <swapCategory>
              <instrMon1 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon2 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
              <instrMon3 netRealizedGain="N/A" netUnrealizedAppr="N/A"/>
            </swapCategory>
          </interestRtContracts>
        </monthlyReturnCats>
        <othMon1 netRealizedGain="10687357.780000000000" netUnrealizedAppr="53811190.13"/>
        <othMon2 netRealizedGain="15917920.750000000000" netUnrealizedAppr="42870809.92"/>
        <othMon3 netRealizedGain="15524546.280000000000" netUnrealizedAppr="-192168304.88"/>
      </returnInfo>
      <mon1Flow redemption="47758904.22" reinvestment="0" sales="9786496.94"/>
      <mon2Flow redemption="64990969.91" reinvestment="0" sales="10784169.36"/>
      <mon3Flow redemption="65915840.94" reinvestment="0" sales="9411546.55"/>
      
      
      
    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>JNL/Causeway International Value Select Fund</name>
        <lei>N/A</lei>
        <title>JNL/Causeway International Value Select Fund</title>
        <cusip>46648M136</cusip>
        <identifiers>
          <isin value="US46648M1365"/>
          <other otherDesc="INTERNAL" value="46648M136            00002"/>
        </identifiers>
        <balance>8064840.92</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>191056081.4</valUSD>
        <pctVal>5.9816652138</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>JNL Multi-Manager Mid Cap Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager Mid Cap Fund</title>
        <cusip>46644W484</cusip>
        <identifiers>
          <isin value="US46644W4841"/>
          <other otherDesc="INTERNAL" value="46644W484            00002"/>
        </identifiers>
        <balance>6083260.474</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>122273535.5</valUSD>
        <pctVal>3.8281919555</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>JNL/PIMCO Real Return Fund</name>
        <lei>N/A</lei>
        <title>JNL/PIMCO Real Return Fund</title>
        <cusip>46648L161</cusip>
        <identifiers>
          <isin value="US46648L1614"/>
          <other otherDesc="INTERNAL" value="46648L161            00002"/>
        </identifiers>
        <balance>3758594.565</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>48110010.43</valUSD>
        <pctVal>1.5062487083</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>JNL Multi-Manager Small Cap Growth Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager Small Cap Growth Fund</title>
        <cusip>46644W468</cusip>
        <identifiers>
          <isin value="US46644W4684"/>
          <other otherDesc="INTERNAL" value="46644W468            00002"/>
        </identifiers>
        <balance>997890.315</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>44515886.95</valUSD>
        <pctVal>1.3937223588</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>Jackson Credit Opportunities Fund</name>
        <lei>N/A</lei>
        <title>Jackson Credit Opportunities Fund</title>
        <cusip>46816A203</cusip>
        <identifiers>
          <isin value="US46816A2033"/>
          <other otherDesc="INTERNAL" value="46816A203            00002"/>
        </identifiers>
        <balance>14326103.78</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>151856700</valUSD>
        <pctVal>4.7543942763</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>JNL/PPM America Total Return Fund</name>
        <lei>N/A</lei>
        <title>JNL/PPM America Total Return Fund</title>
        <cusip>46644W617</cusip>
        <identifiers>
          <isin value="US46644W6176"/>
          <other otherDesc="INTERNAL" value="46644W617            00002"/>
        </identifiers>
        <balance>7440783.216</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>104319780.7</valUSD>
        <pctVal>3.2660881494</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>JNL Multi-Manager International Small Cap Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager International Small Cap Fund</title>
        <cusip>46649B691</cusip>
        <identifiers>
          <isin value="US46649B6911"/>
          <other otherDesc="INTERNAL" value="46649B691            00002"/>
        </identifiers>
        <balance>4737006.806</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>67786567.39</valUSD>
        <pctVal>2.1222907387</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>JNL/Newton Equity Income Fund</name>
        <lei>N/A</lei>
        <title>JNL/Newton Equity Income Fund</title>
        <cusip>46649U723</cusip>
        <identifiers>
          <isin value="US46649U7239"/>
          <other otherDesc="INTERNAL" value="46649U723            00002"/>
        </identifiers>
        <balance>3405154.268</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>142846221.5</valUSD>
        <pctVal>4.4722903757</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>JNL/DoubleLine Emerging Markets Fixed Income Fund</name>
        <lei>N/A</lei>
        <title>JNL/DoubleLine Emerging Markets Fixed Income Fund</title>
        <cusip>46644W658</cusip>
        <identifiers>
          <isin value="US46644W6580"/>
          <other otherDesc="INTERNAL" value="46644W658            00002"/>
        </identifiers>
        <balance>6040818.719</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>79738807.09</valUSD>
        <pctVal>2.4964965526</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>JNL/T. Rowe Price U.S. High Yield Fund</name>
        <lei>N/A</lei>
        <title>JNL/T. Rowe Price U.S. High Yield Fund</title>
        <cusip>46644W674</cusip>
        <identifiers>
          <isin value="US46644W6747"/>
          <other otherDesc="INTERNAL" value="46644W674            00002"/>
        </identifiers>
        <balance>1179255.597</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>15943535.67</valUSD>
        <pctVal>0.4991670090</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>JNL/T. Rowe Price Capital Appreciation Equity Fund</name>
        <lei>N/A</lei>
        <title>JNL/T. Rowe Price Capital Appreciation Equity Fund</title>
        <cusip>46658B608</cusip>
        <identifiers>
          <isin value="US46658B6083"/>
          <other otherDesc="INTERNAL" value="46658B608            00002"/>
        </identifiers>
        <balance>12650723.08</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>134224171.9</valUSD>
        <pctVal>4.2023475726</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>JNL/GQG Emerging Markets Equity Fund</name>
        <lei>N/A</lei>
        <title>JNL/GQG Emerging Markets Equity Fund</title>
        <cusip>46648M359</cusip>
        <identifiers>
          <isin value="US46648M3593"/>
          <other otherDesc="INTERNAL" value="46648M359            00002"/>
        </identifiers>
        <balance>2408552.132</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>41475267.71</valUSD>
        <pctVal>1.2985253559</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>JNL/JPMorgan U.S. Value Fund</name>
        <lei>N/A</lei>
        <title>JNL/JPMorgan U.S. Value Fund</title>
        <cusip>46648M375</cusip>
        <identifiers>
          <isin value="US46648M3759"/>
          <other otherDesc="INTERNAL" value="46648M375            00002"/>
        </identifiers>
        <balance>753711.081</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>16468587.12</valUSD>
        <pctVal>0.5156055435</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>JNL/PIMCO Income Fund</name>
        <lei>N/A</lei>
        <title>JNL/PIMCO Income Fund</title>
        <cusip>46648L187</cusip>
        <identifiers>
          <isin value="US46648L1879"/>
          <other otherDesc="INTERNAL" value="46648L187            00002"/>
        </identifiers>
        <balance>6648642.922</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>88094518.72</valUSD>
        <pctVal>2.7581007330</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>JNL/Lord Abbett Short Duration Income Fund</name>
        <lei>N/A</lei>
        <title>JNL/Lord Abbett Short Duration Income Fund</title>
        <cusip>46649U749</cusip>
        <identifiers>
          <isin value="US46649U7494"/>
          <other otherDesc="INTERNAL" value="46649U749            00002"/>
        </identifiers>
        <balance>8719667.975</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>88591826.63</valUSD>
        <pctVal>2.7736706610</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>JNL/DoubleLine Core Fixed Income Fund</name>
        <lei>N/A</lei>
        <title>JNL/DoubleLine Core Fixed Income Fund</title>
        <cusip>46648L146</cusip>
        <identifiers>
          <isin value="US46648L1465"/>
          <other otherDesc="INTERNAL" value="46648L146            00002"/>
        </identifiers>
        <balance>10094623.75</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>153438280.9</valUSD>
        <pctVal>4.8039110851</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>JNL/Loomis Sayles Global Growth Fund</name>
        <lei>N/A</lei>
        <title>JNL/Loomis Sayles Global Growth Fund</title>
        <cusip>46649B634</cusip>
        <identifiers>
          <isin value="US46649B6341"/>
          <other otherDesc="INTERNAL" value="46649B634            00002"/>
        </identifiers>
        <balance>6099508.094</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>111560003</valUSD>
        <pctVal>3.4927681145</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>JNL/T. Rowe Price Value Fund</name>
        <lei>N/A</lei>
        <title>JNL/T. Rowe Price Value Fund</title>
        <cusip>46648L856</cusip>
        <identifiers>
          <isin value="US46648L8569"/>
          <other otherDesc="INTERNAL" value="46648L856            00002"/>
        </identifiers>
        <balance>2886884.987</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>101704958.1</valUSD>
        <pctVal>3.1842221691</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>Jackson Real Assets Fund</name>
        <lei>N/A</lei>
        <title>Jackson Real Assets Fund</title>
        <cusip>46869J200</cusip>
        <identifiers>
          <isin value="US46869J2006"/>
          <other otherDesc="INTERNAL" value="46869J200            00002"/>
        </identifiers>
        <balance>7379831.92</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>81547142.72</valUSD>
        <pctVal>2.5531126951</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>JNL Multi-Manager Alternative Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager Alternative Fund</title>
        <cusip>46644W492</cusip>
        <identifiers>
          <isin value="US46644W4924"/>
          <other otherDesc="INTERNAL" value="46644W492            00002"/>
        </identifiers>
        <balance>11257736.32</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>158621504.8</valUSD>
        <pctVal>4.9661896678</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>JNL/Fidelity Institutional Asset Management Total Bond Fund</name>
        <lei>N/A</lei>
        <title>JNL/Fidelity Institutional Asset Management Total Bond Fund</title>
        <cusip>46648M334</cusip>
        <identifiers>
          <isin value="US46648M3346"/>
          <other otherDesc="INTERNAL" value="46648M334            00002"/>
        </identifiers>
        <balance>12458319.29</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>168685643.2</valUSD>
        <pctVal>5.2812820016</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>JNL Multi-Manager U.S. Select Equity Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager U.S. Select Equity Fund</title>
        <cusip>46649U145</cusip>
        <identifiers>
          <isin value="US46649U1455"/>
          <other otherDesc="INTERNAL" value="46649U145            00002"/>
        </identifiers>
        <balance>15375808.64</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>293677945</valUSD>
        <pctVal>9.1945942510</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>JNL/WCM Focused International Equity Fund</name>
        <lei>N/A</lei>
        <title>JNL/WCM Focused International Equity Fund</title>
        <cusip>46649U632</cusip>
        <identifiers>
          <isin value="US46649U6322"/>
          <other otherDesc="INTERNAL" value="46649U632            00002"/>
        </identifiers>
        <balance>10603060.31</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>173890189.1</valUSD>
        <pctVal>5.4442281425</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>JNL/T. Rowe Price Growth Stock Fund</name>
        <lei>N/A</lei>
        <title>JNL/T. Rowe Price Growth Stock Fund</title>
        <cusip>46648L609</cusip>
        <identifiers>
          <isin value="US46648L6092"/>
          <other otherDesc="INTERNAL" value="46648L609            00002"/>
        </identifiers>
        <balance>938887.201</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>92630611.25</valUSD>
        <pctVal>2.9001186510</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>JNL/JPMorgan MidCap Growth Fund</name>
        <lei>N/A</lei>
        <title>JNL/JPMorgan MidCap Growth Fund</title>
        <cusip>46648M110</cusip>
        <identifiers>
          <isin value="US46648M1100"/>
          <other otherDesc="INTERNAL" value="46648M110            00002"/>
        </identifiers>
        <balance>501670.144</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>37434626.15</valUSD>
        <pctVal>1.1720192280</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>JNL/Morningstar Wide Moat Index Fund</name>
        <lei>N/A</lei>
        <title>JNL/Morningstar Wide Moat Index Fund</title>
        <cusip>46649B618</cusip>
        <identifiers>
          <isin value="US46649B6184"/>
          <other otherDesc="INTERNAL" value="46649B618            00002"/>
        </identifiers>
        <balance>5298112.714</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>52769202.63</valUSD>
        <pctVal>1.6521206832</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>JNL/DoubleLine Total Return Fund</name>
        <lei>N/A</lei>
        <title>JNL/DoubleLine Total Return Fund</title>
        <cusip>46649U780</cusip>
        <identifiers>
          <isin value="US46649U7809"/>
          <other otherDesc="INTERNAL" value="46649U780            00002"/>
        </identifiers>
        <balance>14256910.55</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>169229528.2</valUSD>
        <pctVal>5.2983101850</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>JNL Multi-Manager Emerging Markets Equity Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager Emerging Markets Equity Fund</title>
        <cusip>46644W187</cusip>
        <identifiers>
          <isin value="US46644W1870"/>
          <other otherDesc="INTERNAL" value="46644W187            00002"/>
        </identifiers>
        <balance>12133910.62</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>134201051.5</valUSD>
        <pctVal>4.2016237093</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>JNL Multi-Manager Small Cap Value Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager Small Cap Value Fund</title>
        <cusip>46644W443</cusip>
        <identifiers>
          <isin value="US46644W4437"/>
          <other otherDesc="INTERNAL" value="46644W443            00002"/>
        </identifiers>
        <balance>2137555.121</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>48372872.39</valUSD>
        <pctVal>1.5144785026</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>JNL/PPM America High Yield Bond Fund</name>
        <lei>N/A</lei>
        <title>JNL/PPM America High Yield Bond Fund</title>
        <cusip>46648M201</cusip>
        <identifiers>
          <isin value="US46648M2017"/>
          <other otherDesc="INTERNAL" value="46648M201            00002"/>
        </identifiers>
        <balance>746687.53</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>16061248.77</valUSD>
        <pctVal>0.5028524209</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>JNL/WMC Equity Income Fund</name>
        <lei>N/A</lei>
        <title>JNL/WMC Equity Income Fund</title>
        <cusip>46648L492</cusip>
        <identifiers>
          <isin value="US46648L4923"/>
          <other otherDesc="INTERNAL" value="46648L492            00002"/>
        </identifiers>
        <balance>2804011.141</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>65025018.36</valUSD>
        <pctVal>2.0358309848</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>
    <signature>
      <ncom:dateSigned>2026-05-28</ncom:dateSigned>
      <ncom:nameOfApplicant>JNL Series Trust</ncom:nameOfApplicant>
      <ncom:signature>Andrew Tedeschi</ncom:signature>
      <ncom:signerName>Andrew Tedeschi</ncom:signerName>
      <ncom:title>Principal Financial Officer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
