# S&P 500 Fund

S&P 500 Fund is a registered fund series of Rydex Series Funds (series S000012221). Net assets $139.2M as of 2026-03-31. Index fund.

## Profile

- Series ID: S000012221
- Registrant: Rydex Series Funds
- LEI: 549300B4HPBJ0JTHV043
- Net assets: $139.2M
- Total assets: $139.7M
- 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 |
| --- | --- | --- | --- |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | NVDA | $9.5M | 679.58% |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | NVDA | $9.5M | 679.58% |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | — | $9.5M | 679.58% |
| [NVIDIA Corp.](https://search.stillhousedata.com/security/67066G104) | NVDA | $9.5M | 679.58% |
| [Apple Inc.](https://search.stillhousedata.com/security/037833100) | AAPL | $8.3M | 597.47% |
| [Apple Inc.](https://search.stillhousedata.com/security/037833100) | — | $8.3M | 597.47% |
| [Apple Inc.](https://search.stillhousedata.com/security/037833100) | AAPL | $8.3M | 597.47% |
| [Apple Inc.](https://search.stillhousedata.com/security/037833100) | AAPL | $8.3M | 597.47% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | MSFT | $6.1M | 440.78% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | MSFT | $6.1M | 440.78% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | MSFT | $6.1M | 440.78% |
| [Microsoft Corp.](https://search.stillhousedata.com/security/594918104) | — | $6.1M | 440.78% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797SD0) | — | $5.0M | 359.08% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797SD0) | — | $5.0M | 359.08% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797SD0) | — | $5.0M | 359.08% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $139.2M |
| 2025-12-31 | $169.5M |
| 2025-09-30 | $165.2M |
| 2025-06-30 | $174.8M |
| 2025-03-31 | $178.6M |
| 2024-12-31 | $239.3M |
| 2024-09-30 | $254.4M |
| 2024-06-30 | $239.4M |

## More

- [Registrant: Rydex Series Funds](https://search.stillhousedata.com/registrant/899148)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000012221.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.