# EDGAR Filing Document

**Accession Number:** 0000933691
**File Stem:** 0001193125-26-071015
**Filing Date:** 2026-2
**Character Count:** 21380
**Document Hash:** 0d5097d64682f2e5ba3167336fc17572
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-071015.hdr.sgml**: 20260225

**ACCESSION NUMBER**: 0001193125-26-071015

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260225

**DATE AS OF CHANGE**: 20260225

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** JNL SERIES TRUST
- **CENTRAL INDEX KEY:** 0000933691

**ORGANIZATION NAME:**
- **EIN:** 381659835
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-08894
- **FILM NUMBER:** 26677576

**BUSINESS ADDRESS:**
- **STREET 1:** 1 CORPORATE WAY
- **CITY:** LANSING
- **STATE:** MI
- **ZIP:** 48951
- **BUSINESS PHONE:** (517) 367-4336

**MAIL ADDRESS:**
- **STREET 1:** 1 CORPORATE WAY
- **CITY:** LANSING
- **STATE:** MI
- **ZIP:** 48951

## Series and Classes Contracts Data

### JNL/MELLON UTILITIES SECTOR FUND (Series ID: S000040007)

| Class ID   | Class Name                           | Ticker Symbol   |
|:---|:---|:---|
| C000124095 | JNL/MELLON UTILITIES SECTOR FUND (A) |  |
| C000124096 | JNL/MELLON UTILITIES SECTOR FUND (I) |  |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** JNL Series Trust

- **b. Investment Company Act file number:** 811-8894

- **c. CIK number of Registrant:** 0000933691

- **d. LEI of Registrant:** 549300T5WIPN6IWM0D45

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 1 Corporate Way

  - **City:** Lansing

  - **State:** MI

  - **Foreign country:** US

  - **Zip / Postal Code:** 48951

  - **Telephone number:** 517-367-4336

**Item A.2. Information about the Series.**

- **a. Name of Series:** JNL/Mellon Utilities Sector Fund

- **b. EDGAR series identifier (if any):** S000040007

- **c. LEI of Series:** 549300Q5KY3O844FHZ94

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-12-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $759319970.51

**Total Liabilities:** $7891247.75

**Net Assets:** $751428722.76

**Cash Not Reported:** $535777.08

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000124095 | 1.86%                | 1.98%                | -5.20%               |
| Class ID C000124096 | 1.89%                | 2.00%                | -5.17%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $1455869.45              | $11757747.00                               |
| Month 2  | $1230355.33              | $11449389.44                               |
| Month 3  | $1215579.44              | $-43515008.38                              |

### Schedule of Portfolio Investments

| Name                                         | Title                                        | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Jackson National Asset Management, LLC       | JNL Government Money Market Fund - Class SL  | CUSIP: 46628D395<br>LEI: N/A                  | Long             | STIV             | RF                | US        |   6976634 | NS      | $6976634.00   | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| CHICAGO MERCANTILE EXCHANGE                  | FUTURE - CASH SETTLED                        | CUSIP: N/A<br>LEI: SNZ2OJLFK8MNNCLQOF39       | N/A              | DE               | CORP              | US        |        29 | NC      | $1373.22      | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Eversource Energy                            | Eversource Energy                            | CUSIP: 30040W108<br>LEI: SJ7XXD41SQU3ZNWUJ746 | Long             | EC               | CORP              | US        |    185663 | NS      | $12500689.79  | 1.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Vistra Corp.                                 | Vistra Corp.                                 | CUSIP: 92840M102<br>LEI: 549300KP43CPCUJOOG15 | Long             | EC               | CORP              | US        |    178625 | NS      | $28817571.25  | 3.84%             |  |  |  | No            |                  1 | On Loan: No      |
| JNL Government Money Market Fund             | JNL Government Money Market Fund             | CUSIP: 46628D437<br>LEI: N/A                  | Long             | STIV             | RF                | US        |   1368038 | NS      | $1368038.41   | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Oklo Inc.                                    | Oklo Inc.                                    | CUSIP: 02156V109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     48898 | NS      | $3508920.48   | 0.47%             |  |  |  | No            |                  1 | On Loan: —       |
| Clearway Energy, Inc.                        | Clearway Energy, Inc.                        | CUSIP: 18539C204<br>LEI: 549300LHAZ9HA9G3XC48 | Long             | EC               | CORP              | US        |     43518 | NS      | $1447408.68   | 0.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Dominion Energy, Inc.                        | Dominion Energy, Inc.                        | CUSIP: 25746U109<br>LEI: ILUL7B6Z54MRYCF6H308 | Long             | EC               | CORP              | US        |    450742 | NS      | $26408973.78  | 3.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Ormat Technologies, Inc.                     | Ormat Technologies, Inc.                     | CUSIP: 686688102<br>LEI: 5493000TSHHWY24VHM09 | Long             | EC               | CORP              | US        |     30437 | NS      | $3362375.39   | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle West Capital Corporation            | Pinnacle West Capital Corporation            | CUSIP: 723484101<br>LEI: TWSEY0NEDUDCKS27AH81 | Long             | EC               | CORP              | US        |     62873 | NS      | $5576835.10   | 0.74%             |  |  |  | No            |                  1 | On Loan: —       |
| Constellation Energy Group, Inc.             | Constellation Energy Group, Inc.             | CUSIP: 21037T109<br>LEI: 549300F8Y20RYGNGV346 | Long             | EC               | CORP              | US        |    165133 | NS      | $58336534.91  | 7.76%             |  |  |  | No            |                  1 | On Loan: No      |
| MDU Resources Group, Inc.                    | MDU Resources Group, Inc.                    | CUSIP: 552690109<br>LEI: 0T6SBMK3JTBI1JR36794 | Long             | EC               | CORP              | US        |    102699 | NS      | $2004684.48   | 0.27%             |  |  |  | No            |                  1 | On Loan: No      |
| One Gas, Inc.                                | One Gas, Inc.                                | CUSIP: 68235P108<br>LEI: 549300HXDWI0LATTX840 | Long             | EC               | CORP              | US        |     30431 | NS      | $2350794.75   | 0.31%             |  |  |  | No            |                  1 | On Loan: No      |
| DTE Energy Company                           | DTE Energy Company                           | CUSIP: 233331107<br>LEI: 549300IX8SD6XXD71I78 | Long             | EC               | CORP              | US        |    108942 | NS      | $14051339.16  | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| CenterPoint Energy, Inc.                     | CenterPoint Energy, Inc.                     | CUSIP: 15189T107<br>LEI: 21TPXMRRHFKOBHDC8J74 | Long             | EC               | CORP              | US        |    344870 | NS      | $13222315.80  | 1.76%             |  |  |  | No            |                  1 | On Loan: No      |
| NRG Energy, Inc.                             | NRG Energy, Inc.                             | CUSIP: 629377508<br>LEI: 5E2UPK5SW04M13XY7I38 | Long             | EC               | CORP              | US        |    101978 | NS      | $16238976.72  | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| American Water Works Company, Inc.           | American Water Works Company, Inc.           | CUSIP: 030420103<br>LEI: 549300DXHIJQMD5WFW18 | Long             | EC               | CORP              | US        |    102984 | NS      | $13439412.00  | 1.79%             |  |  |  | No            |                  1 | On Loan: No      |
| New Jersey Resources Corporation             | New Jersey Resources Corporation             | CUSIP: 646025106<br>LEI: 549300QKBSQBIX4DQ583 | Long             | EC               | CORP              | US        |     51408 | NS      | $2370936.96   | 0.32%             |  |  |  | No            |                  1 | On Loan: No      |
| NextEra Energy, Inc.                         | NextEra Energy, Inc.                         | CUSIP: 65339F101<br>LEI: TWQ1WATU9P8ZBX9T3I54 | Long             | EC               | CORP              | US        |   1100661 | NS      | $88361065.08  | 11.76%            |  |  |  | No            |                  1 | On Loan: No      |
| Ameren Corporation                           | Ameren Corporation                           | CUSIP: 023608102<br>LEI: XRZQ5S7HYJFPHJ78L959 | Long             | EC               | CORP              | US        |    142601 | NS      | $14240135.86  | 1.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Alliant Energy Corporation                   | Alliant Energy Corporation                   | CUSIP: 018802108<br>LEI: 5493009ML300G373MZ12 | Long             | EC               | CORP              | US        |    134739 | NS      | $8759382.39   | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Evergy, Inc.                                 | Evergy, Inc.                                 | CUSIP: 30034W106<br>LEI: 549300PGTHDQY6PSUI61 | Long             | EC               | CORP              | US        |    121244 | NS      | $8788977.56   | 1.17%             |  |  |  | No            |                  1 | On Loan: No      |
| The Southern Company                         | The Southern Company                         | CUSIP: 842587107<br>LEI: 549300FC3G3YU2FBZD92 | Long             | EC               | CORP              | US        |    581994 | NS      | $50749876.80  | 6.75%             |  |  |  | No            |                  1 | On Loan: No      |
| Talen Energy Corporation                     | Talen Energy Corporation                     | CUSIP: 87422Q109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     22099 | NS      | $8283589.16   | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| TXNM Energy, Inc.                            | TXNM Energy, Inc.                            | CUSIP: 69349H107<br>LEI: 5493003JOBJGLZSDDQ28 | Long             | EC               | CORP              | US        |     49971 | NS      | $2942292.48   | 0.39%             |  |  |  | No            |                  1 | On Loan: No      |
| XCEL Energy Inc.                             | XCEL Energy Inc.                             | CUSIP: 98389B100<br>LEI: LGJNMI9GH8XIDG5RCM61 | Long             | EC               | CORP              | US        |    312883 | NS      | $23109538.38  | 3.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Entergy Corporation                          | Entergy Corporation                          | CUSIP: 29364G103<br>LEI: 4XM3TW50JULSLG8BNC79 | Long             | EC               | CORP              | US        |    235420 | NS      | $21759870.60  | 2.90%             |  |  |  | No            |                  1 | On Loan: No      |
| FirstEnergy Corp.                            | FirstEnergy Corp.                            | CUSIP: 337932107<br>LEI: 549300SVYJS666PQJH88 | Long             | EC               | CORP              | US        |    272807 | NS      | $12213569.39  | 1.63%             |  |  |  | No            |                  1 | On Loan: No      |
| NorthWestern Corporation                     | NorthWestern Corporation                     | CUSIP: 668074305<br>LEI: 3BPWMBHR1R9SHUN7J795 | Long             | EC               | CORP              | US        |     30424 | NS      | $1963564.96   | 0.26%             |  |  |  | No            |                  1 | On Loan: No      |
| WEC Energy Group Inc.                        | WEC Energy Group Inc.                        | CUSIP: 92939U106<br>LEI: 549300IGLYTZUK3PVP70 | Long             | EC               | CORP              | US        |    165985 | NS      | $17504778.10  | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| AES Corporation, The                         | AES Corporation, The                         | CUSIP: 00130H105<br>LEI: 2NUNNB7D43COUIRE5295 | Long             | EC               | CORP              | US        |    376069 | NS      | $5392829.46   | 0.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Black Hills Corporation                      | Black Hills Corporation                      | CUSIP: 092113109<br>LEI: 3MGELCRSTNSAMJ962671 | Long             | EC               | CORP              | US        |     38062 | NS      | $2642264.04   | 0.35%             |  |  |  | No            |                  1 | On Loan: No      |
| Consolidated Edison, Inc.                    | Consolidated Edison, Inc.                    | CUSIP: 209115104<br>LEI: 54930033SBW53OO8T749 | Long             | EC               | CORP              | US        |    190576 | NS      | $18928008.32  | 2.52%             |  |  |  | No            |                  1 | On Loan: No      |
| IDACORP, Inc.                                | IDACORP, Inc.                                | CUSIP: 451107106<br>LEI: N134NUJDWN8UEFA8B673 | Long             | EC               | CORP              | US        |     27275 | NS      | $3451924.00   | 0.46%             |  |  |  | No            |                  1 | On Loan: No      |
| NiSource Inc.                                | NiSource Inc.                                | CUSIP: 65473P105<br>LEI: 549300D8GOWWH0SJB189 | Long             | EC               | CORP              | US        |    246577 | NS      | $10297055.52  | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Atmos Energy Corporation                     | Atmos Energy Corporation                     | CUSIP: 049560105<br>LEI: QVLWEGTD2S8GJMO8D383 | Long             | EC               | CORP              | US        |     83793 | NS      | $14046220.59  | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Clearway Energy, Inc.                        | Clearway Energy, Inc.                        | CUSIP: 18539C105<br>LEI: 549300LHAZ9HA9G3XC48 | Long             | EC               | CORP              | US        |     17917 | NS      | $562952.14    | 0.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Exelon Corporation                           | Exelon Corporation                           | CUSIP: 30161N101<br>LEI: 3SOUA6IRML7435B56G12 | Long             | EC               | CORP              | US        |    533976 | NS      | $23276013.84  | 3.10%             |  |  |  | No            |                  1 | On Loan: No      |
| PG&E Corporation                             | PG&E Corporation                             | CUSIP: 69331C108<br>LEI: 8YQ2GSDWYZXO2EDN3511 | Long             | EC               | CORP              | US        |   1158050 | NS      | $18609863.50  | 2.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Southwest Gas Holdings, Inc.                 | Southwest Gas Holdings, Inc.                 | CUSIP: 844895102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     31369 | NS      | $2510147.38   | 0.33%             |  |  |  | No            |                  1 | On Loan: No      |
| UGI Corporation                              | UGI Corporation                              | CUSIP: 902681105<br>LEI: DX6GCWD4Q1JO9CRE5I40 | Long             | EC               | CORP              | US        |    113991 | NS      | $4266683.13   | 0.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Sempra                                       | Sempra                                       | CUSIP: 816851109<br>LEI: PBBKGKLRK5S5C0Y4T545 | Long             | EC               | CORP              | US        |    344878 | NS      | $30449278.62  | 4.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Portland General Electric Company            | Portland General Electric Company            | CUSIP: 736508847<br>LEI: GJOUP9M7C39GLSK9R870 | Long             | EC               | CORP              | US        |     57777 | NS      | $2772718.23   | 0.37%             |  |  |  | No            |                  1 | On Loan: No      |
| OGE Energy Corp.                             | OGE Energy Corp.                             | CUSIP: 670837103<br>LEI: CE5OG6JPOZMDSA0LAQ19 | Long             | EC               | CORP              | US        |    106243 | NS      | $4536576.10   | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Edison International                         | Edison International                         | CUSIP: 281020107<br>LEI: 549300I7ROF15MAEVP56 | Long             | EC               | CORP              | US        |    202872 | NS      | $12176377.44  | 1.62%             |  |  |  | No            |                  1 | On Loan: No      |
| PPL Corporation                              | PPL Corporation                              | CUSIP: 69351T106<br>LEI: 9N3UAJSNOUXFKQLF3V18 | Long             | EC               | CORP              | US        |    373085 | NS      | $13065436.70  | 1.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Essential Utilities, Inc.                    | Essential Utilities, Inc.                    | CUSIP: 29670G102<br>LEI: 549300ILTEOF3E3QY357 | Long             | EC               | CORP              | US        |    132799 | NS      | $5094169.64   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| CMS Energy Corporation                       | CMS Energy Corporation                       | CUSIP: 125896100<br>LEI: 549300IA9XFBAGNIBW29 | Long             | EC               | CORP              | US        |    157611 | NS      | $11021737.23  | 1.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Duke Energy Corporation                      | Duke Energy Corporation                      | CUSIP: 26441C204<br>LEI: I1BZKREC126H0VB1BL91 | Long             | EC               | CORP              | US        |    411222 | NS      | $48199330.62  | 6.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Public Service Enterprise Group Incorporated | Public Service Enterprise Group Incorporated | CUSIP: 744573106<br>LEI: PUSS41EMO3E6XXNV3U28 | Long             | EC               | CORP              | US        |    263334 | NS      | $21145720.20  | 2.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Spire Inc.                                   | Spire Inc.                                   | CUSIP: 84857L101<br>LEI: 549300NXSY15DRY2R511 | Long             | EC               | CORP              | US        |     30872 | NS      | $2553114.40   | 0.34%             |  |  |  | No            |                  1 | On Loan: No      |
| American Electric Power Company, Inc.        | American Electric Power Company, Inc.        | CUSIP: 025537101<br>LEI: 1B4S6S7G0TW5EE83BO58 | Long             | EC               | CORP              | US        |    272504 | NS      | $31422436.24  | 4.18%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-02-25

**Name of Applicant:** JNL Series Trust

**Signature:** Andrew Tedeschi

**Name of Signer:** Andrew Tedeschi

**Title:** Principal Financial Officer