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    <isConfidential>false</isConfidential>
    <filerInfo>

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        <issuerCredentials>
          <cik>0000933691</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>


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        <seriesId>S000068127</seriesId>
        <classId>C000218212</classId>
        <classId>C000218213</classId>
      </seriesClassInfo>


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      <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 Allocation Fund</seriesName>
      <seriesId>S000068127</seriesId>
      <seriesLei>549300Z507FN2MHX0F32</seriesLei>
      <repPdEnd>2026-12-31</repPdEnd>
      <repPdDate>2026-06-30</repPdDate>
      <isFinalFiling>N</isFinalFiling>
    </genInfo>
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      <totLiabs>1413359.620000000000</totLiabs>
      <netAssets>1814105382.390000000000</netAssets>
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      <assetsInvested>0.000000000000</assetsInvested>
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      <isNonCashCollateral>N</isNonCashCollateral>
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      <mon1Flow redemption="30800421.08" reinvestment="0" sales="14464176.86"/>
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    </fundInfo>
    <invstOrSecs>
      <invstOrSec>
        <name>JNL Multi-Manager International Small Cap Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager International Small Cap Fund</title>
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        <isRestrictedSec>N</isRestrictedSec>

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      </invstOrSec>
      <invstOrSec>
        <name>JNL/Fidelity Institutional AM Total Bond Fund</name>
        <lei>N/A</lei>
        <title>JNL/Fidelity Institutional AM Total Bond Fund</title>
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        <identifiers>
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      </invstOrSec>
      <invstOrSec>
        <name>JNL/T. Rowe Price Value Fund</name>
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          <isin value="US46648L8569"/>
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        <fairValLevel>1</fairValLevel>
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      </invstOrSec>
      <invstOrSec>
        <name>JNL/DoubleLine Core Fixed Income Fund</name>
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      </invstOrSec>
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        <name>JNL/DoubleLine Total Return Fund</name>
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        <identifiers>
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      <invstOrSec>
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        </securityLending>
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      <invstOrSec>
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        <fairValLevel>1</fairValLevel>
        <securityLending>
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      </invstOrSec>
      <invstOrSec>
        <name>JNL Multi-Manager Select Equity Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager Select Equity Fund</title>
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          <isin value="US46649U1455"/>
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        <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"/>
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        <balance>7011377.291</balance>
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        <curCd>USD</curCd>
        <valUSD>99140874.89</valUSD>
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        <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>1542231.224</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>38046844.3</valUSD>
        <pctVal>2.0972786184</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>9136455.683</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>98856450.49</valUSD>
        <pctVal>5.4493223740</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>1049994.416</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>18343402.45</valUSD>
        <pctVal>1.0111541826</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 Floating Rate Income Fund</name>
        <lei>N/A</lei>
        <title>JNL Multi-Manager Floating Rate Income Fund</title>
        <cusip>46648L120</cusip>
        <identifiers>
          <other otherDesc="INTERNAL" value="46648L120            00002"/>
        </identifiers>
        <balance>1590118.302</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>22818197.63</valUSD>
        <pctVal>1.2578209541</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>353429.856</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>19608288.41</valUSD>
        <pctVal>1.0808792367</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/Mellon S&amp;P 500 Index Fund</name>
        <lei>N/A</lei>
        <title>JNL/Mellon S&amp;P 500 Index Fund</title>
        <cusip>46648M649</cusip>
        <identifiers>
          <other otherDesc="INTERNAL" value="46648M649            00002"/>
        </identifiers>
        <balance>337153.999</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>21159784.98</valUSD>
        <pctVal>1.1664032964</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>7400843.001</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>100207414.2</valUSD>
        <pctVal>5.5237923426</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>3101046.178</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>31785723.32</valUSD>
        <pctVal>1.7521431571</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>760872.215</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>19721807.81</valUSD>
        <pctVal>1.0871368335</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 Fund</name>
        <lei>N/A</lei>
        <title>JNL/T. Rowe Price Capital Appreciation Fund</title>
        <cusip>46649U657</cusip>
        <identifiers>
          <isin value="US46649U6579"/>
          <other otherDesc="INTERNAL" value="46649U657            00002"/>
        </identifiers>
        <balance>3090393.647</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>103682706.9</valUSD>
        <pctVal>5.7153629501</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>5143328.358</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>69640665.97</valUSD>
        <pctVal>3.8388434678</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>1281066.419</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>59543967.16</valUSD>
        <pctVal>3.2822771895</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 Investment Grade Credit Bond Fund</name>
        <lei>N/A</lei>
        <title>JNL/PIMCO Investment Grade Credit Bond Fund</title>
        <cusip>46649U673</cusip>
        <identifiers>
          <isin value="US46649U6736"/>
          <other otherDesc="INTERNAL" value="46649U673            00002"/>
        </identifiers>
        <balance>1887499.149</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>25934238.31</valUSD>
        <pctVal>1.4295883008</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>2426302.509</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>53233077.05</valUSD>
        <pctVal>2.9343982751</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>151271.502</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>17440091.47</valUSD>
        <pctVal>0.9613604391</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>1982931.535</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>43664152.4</valUSD>
        <pctVal>2.4069248029</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>3997222.383</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>45168612.93</valUSD>
        <pctVal>2.4898560673</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>2026-08-26</ncom:dateSigned>
      <ncom:nameOfApplicant>JNL Series Trust</ncom:nameOfApplicant>
      <ncom:signature>Garett J. Childs</ncom:signature>
      <ncom:signerName>Garett J. Childs</ncom:signerName>
      <ncom:title>Principal Financial Officer</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
