# EDGAR Filing Document

**Accession Number:** 0000933691
**File Stem:** 0000933691-26-000076
**Filing Date:** 2026-2
**Character Count:** 2741
**Document Hash:** ea485b5aac16541226588eb1957fa057
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000933691-26-000076.hdr.sgml**: 20260225

**ACCESSION NUMBER**: 0000933691-26-000076

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260225

**DATE AS OF CHANGE**: 20260225

**EFFECTIVENESS DATE**: 20260225

**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:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-87244
- **FILM NUMBER:** 26676516

**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/William Blair International Leaders Fund (Series ID: S000001723)

---

|  |  |
|:---|:---|
| Class Name                                       | Class ID   |
| JNL/William Blair International Leaders Fund (A) | C000004630 |
| JNL/William Blair International Leaders Fund (I) | C000067964 |

---

## Series and Classes Contracts Data

### JNL/William Blair International Leaders Fund (Series ID: S000001723)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000004630 | JNL/William Blair International Leaders Fund (A) |  |
| C000067964 | JNL/William Blair International Leaders Fund (I) |  |

**Supplement Dated February 25, 2026**

**To The Prospectus Dated April 28, 2025, as amended** 

**JNL Series Trust**

**IMPORTANT NOTICE REGARDING CHANGE IN INVESTMENT POLICY**

Please note that the following changes may impact your variable annuity and/or variable life product(s).

 

*Effective April 27, 2026, the JNL/William Blair International Leaders Fund's (the "Fund") investment strategy will change, the name of the Fund will change to the JNL Multi-Manager International Equity Fund, and Causeway Capital Management LLC, Lazard Asset Management LLC, and WCM Investment Management, LLC will be added as sub-advisers to the Fund. The Fund's current sub-adviser, William Blair Investment Management, LLC, will remain a sub-adviser to the Fund. In connection with these changes, effective April 27, 2026, the JNL Multi-Manager International Equity Fund will seek to achieve its investment objective by investing, under normal circumstances, at least 80% of its assets (net assets plus the amount of any borrowings for investment purposes) in equity securities of companies located outside the United States.* 

 

 

 

*This Supplement is dated February 25, 2026.*