RYESX — Energy Services Fund
Data updated: 2026-08-28
RYESX — Energy Services Fund. Global (incl. US) Multi-Cap / All-Cap Blend / Core Energy Equity · $41.38M AUM. Holdings, fees, performance and SEC filings.
RYESX Fund Overview
RYESX — Energy Services Fund is a US mutual fund managed by Rydex Series Funds, categorised as Global (incl. US) Multi-Cap / All-Cap Blend / Core Energy Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Rydex Series Funds
- Category: Global (incl. US) Multi-Cap / All-Cap Blend / Core Energy Equity
- Assets under management: $41.38M
- 1-year return: 67.6%
- Ticker: RYESX
- SEC CIK: 0000899148
- SEC series ID: S000003801
- Share class ID: C000010592
RYESX Holdings
Top 10 holdings of Energy Services Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Slb Ltd. | 11.45% |
| Baker Hughes Company | 10.43% |
| Halliburton Company | 6.98% |
| Kodiak Gas Services, Inc. | 4.32% |
| Archrock, Inc. | 4.19% |
| Technipfmc PLC | 4.12% |
| Nov, Inc. | 3.62% |
| Solaris Energy Infrastructure, Inc. | 3.59% |
| Weatherford International PLC | 3.17% |
| Transocean Ltd. | 3.11% |
RYESX Portfolio Allocation
Asset-class allocation of Energy Services Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.7% |
| Cash & Equivalents | 0.4% |
RYESX Performance
Total returns for RYESX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 33.9% |
| 1 year | 67.6% |
| 3 years (annualised) | 11.5% |
| 5 years (annualised) | 10.2% |
RYESX Risk Information
Risk metrics for RYESX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 28.7%
RYESX Costs and Fees
RYESX costs about $165 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.65%
- Gross expense ratio: 1.68%
- Portfolio turnover: 296%
- Brokerage commissions: 31.70 bps of average net assets (SEC N-CEN)
RYESX Cashflows
Over the 12 months to 2026-06, Energy Services Fund had net inflows of $34.75M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$7.04M |
| 2026-05 | −$733.39K |
| 2026-04 | $34.95M |
| 2026-03 | $1.90M |
| 2026-02 | $3.26M |
| 2026-01 | $2.23M |
RYESX Debt Constituents
No individual debt constituents are reported in Energy Services Fund's latest SEC N-PORT filing.
RYESX Prospectus and SEC Filings
Official Energy Services Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2024-07-29
- Prospectus (485BPOS) — filed 2023-07-31
- Prospectus (485BPOS) — filed 2022-07-29
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-06-01
- Portfolio holdings (N-PORT) — filed 2026-03-02
- Annual census (N-CEN) — filed 2026-06-15
- Annual census (N-CEN) — filed 2025-06-13
Related Funds
Other Global (incl. US) Multi-Cap / All-Cap Blend / Core Energy Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.