RYSOX — S&P 500 Fund
Data updated: 2026-06-15
RYSOX — S&P 500 Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $139.23M AUM · 1.62% expense ratio · 16.0% 1-yr return. From SEC regulatory filings.
RYSOX Fund Overview
RYSOX — S&P 500 Fund is a US mutual fund managed by Rydex Series Funds, categorised as United States Large Cap Blend / Core 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: United States Large Cap Blend / Core Equity
- Assets under management: $139.23M
- 1-year return: 16.0%
- Ticker: RYSOX
- SEC CIK: 0000899148
- SEC series ID: S000012221
- Share class ID: C000033368
RYSOX Holdings
Top 10 holdings of S&P 500 Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp. | 6.80% |
| Apple Inc. | 5.97% |
| Microsoft Corp. | 4.41% |
| United States Treasury Bills | 3.59% |
| Amazon.com, Inc. | 3.26% |
| Alphabet Inc. | 2.68% |
| Broadcom Inc | 2.35% |
| J.p. Morgan Securities LLC | 2.18% |
| Alphabet Inc. | 2.15% |
| Meta Platforms Inc | 2.01% |
RYSOX Portfolio Allocation
Asset-class allocation of S&P 500 Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 89.6% |
| Cash & Equivalents | 4.3% |
| Fixed Income | 3.6% |
RYSOX Performance
Total returns for RYSOX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -4.6% |
| 1 year | 16.0% |
| 3 years (annualised) | 16.4% |
| 5 years (annualised) | 10.2% |
RYSOX Risk Information
Risk metrics for RYSOX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 10.2%
RYSOX Costs and Fees
RYSOX costs about $162 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.62%
- Gross expense ratio: 1.66%
- Portfolio turnover: 243%
- Brokerage commissions: 0.55 bps of average net assets (SEC N-CEN)
RYSOX Cashflows
Over the 12 months to 2026-03, S&P 500 Fund had net outflows of $58.31M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$10.29M |
| 2026-02 | −$8.22M |
| 2026-01 | −$4.71M |
| 2025-12 | $49.44M |
| 2025-11 | −$42.61M |
| 2025-10 | −$1.54M |
RYSOX Debt Constituents
Largest debt holdings of S&P 500 Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Bills | 3.59% |
RYSOX Prospectus and SEC Filings
Official S&P 500 Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large Cap Blend / Core 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.