RYMGX — S&P MidCap 400 Pure Growth Fund
Data updated: 2026-06-15
RYMGX — S&P MidCap 400 Pure Growth Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Growth Equity · $174.77M AUM · 1.55% expense ratio · 24.0% 1-yr return. From SEC regulatory filings.
RYMGX Fund Overview
RYMGX — S&P MidCap 400 Pure Growth Fund is a US mutual fund managed by Rydex Series Funds, categorised as United States Mid Cap Growth 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 Mid Cap Growth Equity
- Assets under management: $174.77M
- 1-year return: 24.0%
- Ticker: RYMGX
- SEC CIK: 0000899148
- SEC series ID: S000003770
- Share class ID: C000010452
RYMGX Holdings
Top 10 holdings of S&P MidCap 400 Pure Growth Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| TechnipFMC PLC | 1.78% |
| Valaris Ltd. | 1.77% |
| Arrowhead Pharmaceuticals Inc | 1.57% |
| Woodward Inc. | 1.54% |
| Mastec, Inc. | 1.49% |
| Five Below Inc | 1.46% |
| Interdigital, Inc. | 1.46% |
| Carpenter Technology Corporation | 1.44% |
| Halozyme Therapeutics Inc | 1.38% |
| Sterling Infrastructure Inc | 1.34% |
RYMGX Portfolio Allocation
Asset-class allocation of S&P MidCap 400 Pure Growth Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 72.4% |
| Cash & Equivalents | 0.2% |
RYMGX Performance
Total returns for RYMGX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 4.3% |
| 1 year | 24.0% |
| 3 years (annualised) | 13.5% |
| 5 years (annualised) | 3.8% |
RYMGX Risk Information
Risk metrics for RYMGX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 12.6%
RYMGX Costs and Fees
RYMGX costs about $155 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.55%
- Gross expense ratio: 1.59%
- Portfolio turnover: 570%
- Brokerage commissions: 17.25 bps of average net assets (SEC N-CEN)
RYMGX Cashflows
Over the 12 months to 2026-03, S&P MidCap 400 Pure Growth Fund had net inflows of $146.32M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $142.54M |
| 2026-02 | −$184.07M |
| 2026-01 | $188.90M |
| 2025-12 | −$46.00M |
| 2025-11 | $45.95M |
| 2025-10 | −$1.71M |
RYMGX Debt Constituents
No individual debt constituents are reported in S&P MidCap 400 Pure Growth Fund's latest SEC N-PORT filing.
RYMGX Prospectus and SEC Filings
Official S&P MidCap 400 Pure Growth Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Growth 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.