# JNL/Mellon S&P 400 MidCap Index Fund

JNL/Mellon S&P 400 MidCap Index Fund is a registered fund series of JNL Series Trust (series S000001728). Net assets $3.2B as of 2026-03-31. Index fund.

## Profile

- Series ID: S000001728
- Registrant: JNL Series Trust
- LEI: ASMHOSOAXSYJ0869EK32
- Net assets: $3.2B
- Total assets: $3.2B
- As of: 2026-03-31
- Type: Index

## Advisers

- [Jackson National Asset Management, LLC (Advisor)](https://search.stillhousedata.com/firm/111079)

## Top holdings (1 reported)

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [JNL Mid Cap Index Fund](https://search.stillhousedata.com/security/46649B279) | — | $3.2B | 10006.40% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $3.2B |
| 2025-12-31 | $3.2B |
| 2025-09-30 | $3.3B |
| 2025-06-30 | $3.3B |
| 2025-03-31 | $3.1B |
| 2024-12-31 | $3.4B |
| 2024-09-30 | $3.5B |
| 2024-06-30 | $3.4B |

## More

- [Registrant: JNL Series Trust](https://search.stillhousedata.com/registrant/933691)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000001728.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.