# Energy Services Fund

Energy Services Fund is a registered fund series of Rydex Series Funds (series S000003801). Net assets $16.3M as of 2026-03-31.

## Profile

- Series ID: S000003801
- Registrant: Rydex Series Funds
- LEI: 549300D57O5QYF1NS042
- Net assets: $16.3M
- Total assets: $16.3M
- As of: 2026-03-31

## Advisers

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

## Top holdings (180 reported)

_Showing 15 of 180 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [SLB LTD](https://search.stillhousedata.com/security/806857108) | SLB | $2.0M | 1253.93% |
| [SLB LTD](https://search.stillhousedata.com/security/806857108) | — | $2.0M | 1253.93% |
| [SLB LTD](https://search.stillhousedata.com/security/806857108) | SLB | $2.0M | 1253.93% |
| [SLB LTD](https://search.stillhousedata.com/security/806857108) | SLB | $2.0M | 1253.93% |
| [SLB LTD](https://search.stillhousedata.com/security/806857108) | SLB | $2.0M | 1253.93% |
| [SLB LTD](https://search.stillhousedata.com/security/806857108) | SLB | $2.0M | 1253.93% |
| [Baker Hughes Company](https://search.stillhousedata.com/security/05722G100) | BKR | $1.8M | 1073.51% |
| [Baker Hughes Company](https://search.stillhousedata.com/security/05722G100) | BKR | $1.8M | 1073.51% |
| [Baker Hughes Company](https://search.stillhousedata.com/security/05722G100) | BKR | $1.8M | 1073.51% |
| [Baker Hughes Company](https://search.stillhousedata.com/security/05722G100) | BKR | $1.8M | 1073.51% |
| [Baker Hughes Company](https://search.stillhousedata.com/security/05722G100) | — | $1.8M | 1073.51% |
| [Baker Hughes Company](https://search.stillhousedata.com/security/05722G100) | BKR | $1.8M | 1073.51% |
| [Halliburton Company](https://search.stillhousedata.com/security/406216101) | — | $1.2M | 748.95% |
| [Halliburton Company](https://search.stillhousedata.com/security/406216101) | HAL | $1.2M | 748.95% |
| [Halliburton Company](https://search.stillhousedata.com/security/406216101) | HAL | $1.2M | 748.95% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $16.3M |
| 2025-12-31 | $5.7M |
| 2025-09-30 | $4.4M |
| 2025-06-30 | $4.6M |
| 2025-03-31 | $4.9M |
| 2024-12-31 | $6.9M |
| 2024-09-30 | $6.3M |
| 2024-06-30 | $9.8M |

## More

- [Registrant: Rydex Series Funds](https://search.stillhousedata.com/registrant/899148)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000003801.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.