# S&P MidCap 400 Pure Growth Fund

S&P MidCap 400 Pure Growth Fund is a registered fund series of Rydex Series Funds (series S000003770). Net assets $174.8M as of 2026-03-31. Index fund.

## Profile

- Series ID: S000003770
- Registrant: Rydex Series Funds
- LEI: 549300JDRRKVOEKI6K18
- Net assets: $174.8M
- Total assets: $174.9M
- As of: 2026-03-31
- Type: Index

## Advisers

- [Security Investors, LLC (Advisor)](https://search.stillhousedata.com/firm/105477)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| TechnipFMC PLC | — | $3.1M | 177.55% |
| TechnipFMC PLC | FTI | $3.1M | 177.55% |
| TechnipFMC PLC | FTI | $3.1M | 177.55% |
| TechnipFMC PLC | FTI | $3.1M | 177.55% |
| TechnipFMC PLC | FTI | $3.1M | 177.55% |
| VALARIS LTD | VAL | $3.1M | 177.39% |
| VALARIS LTD | — | $3.1M | 177.39% |
| VALARIS LTD | VAL | $3.1M | 177.39% |
| VALARIS LTD | VAL | $3.1M | 177.39% |
| VALARIS LTD | VAL | $3.1M | 177.39% |
| [Arrowhead Pharmaceuticals Inc](https://search.stillhousedata.com/security/04280A100) | ARWR | $2.7M | 157.30% |
| [Arrowhead Pharmaceuticals Inc](https://search.stillhousedata.com/security/04280A100) | ARWR | $2.7M | 157.30% |
| [Arrowhead Pharmaceuticals Inc](https://search.stillhousedata.com/security/04280A100) | ARWR | $2.7M | 157.30% |
| [Arrowhead Pharmaceuticals Inc](https://search.stillhousedata.com/security/04280A100) | ARWR | $2.7M | 157.30% |
| [Arrowhead Pharmaceuticals Inc](https://search.stillhousedata.com/security/04280A100) | — | $2.7M | 157.30% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $174.8M |
| 2025-12-31 | $26.9M |
| 2025-09-30 | $28.7M |
| 2025-06-30 | $26.5M |
| 2025-03-31 | $25.2M |
| 2024-12-31 | $30.9M |
| 2024-09-30 | $32.8M |
| 2024-06-30 | $34.3M |

## More

- [Registrant: Rydex Series Funds](https://search.stillhousedata.com/registrant/899148)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000003770.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.