# Inverse S&P 500 Strategy Fund

Inverse S&P 500 Strategy Fund is a registered fund series of Rydex Series Funds (series S000003692). Net assets $63.5M as of 2026-03-31. Index fund.

## Profile

- Series ID: S000003692
- Registrant: Rydex Series Funds
- LEI: 54930069SHUJKSI0T360
- Net assets: $63.5M
- Total assets: $64.9M
- As of: 2026-03-31
- Type: Index

## Advisers

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

## Top holdings (60 reported)

_Showing 15 of 60 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797SD0) | — | $20.0M | 3148.85% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797SD0) | — | $20.0M | 3148.85% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797SD0) | — | $20.0M | 3148.85% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797SD0) | — | $20.0M | 3148.85% |
| [Guggenheim Strategy Funds Trust](https://search.stillhousedata.com/security/40168Q205) | GFSBX | $6.5M | 1023.06% |
| [Guggenheim Strategy Funds Trust](https://search.stillhousedata.com/security/40168Q205) | — | $6.5M | 1023.06% |
| [Guggenheim Strategy Funds Trust](https://search.stillhousedata.com/security/40168Q205) | GFSBX | $6.5M | 1023.06% |
| [Guggenheim Strategy Funds Trust](https://search.stillhousedata.com/security/40168Q205) | GFSBX | $6.5M | 1023.06% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797TH0) | — | $5.0M | 786.26% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797TH0) | — | $5.0M | 786.26% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797TH0) | — | $5.0M | 786.26% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797TH0) | — | $5.0M | 786.26% |
| [Federal Home Loan Banks](https://search.stillhousedata.com/security/313385VR4) | — | $5.0M | 786.02% |
| [Federal Home Loan Banks](https://search.stillhousedata.com/security/313385VR4) | — | $5.0M | 786.02% |
| [Federal Home Loan Banks](https://search.stillhousedata.com/security/313385VR4) | — | $5.0M | 786.02% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $63.5M |
| 2025-12-31 | $41.9M |
| 2025-09-30 | $38.5M |
| 2025-06-30 | $31.6M |
| 2025-03-31 | $45.3M |
| 2024-12-31 | $31.5M |
| 2024-09-30 | $67.3M |
| 2024-06-30 | $41.2M |

## More

- [Registrant: Rydex Series Funds](https://search.stillhousedata.com/registrant/899148)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000003692.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.