RYBHX — S&P MidCap 400 Pure Growth Fund
Data updated: 2026-08-28
RYBHX — S&P MidCap 400 Pure Growth Fund. United States Mid Cap Growth Equity · $33.44M AUM · 1.53% expense ratio. Holdings, fees, performance and SEC filings.
RYBHX Fund Overview
RYBHX — 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: $33.44M
- 1-year return: 30.9%
- Ticker: RYBHX
- SEC CIK: 0000899148
- SEC series ID: S000003770
- Share class ID: C000010451
RYBHX 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 |
|---|---|
| Sterling Infrastructure, Inc. | 3.05% |
| Carpenter Technology Corp. | 2.49% |
| Vicor Corp. | 2.46% |
| Digitalocean Holdings, Inc. | 2.37% |
| Arrowhead Pharmaceuticals, Inc. | 2.26% |
| Ttm Technologies, Inc. | 2.15% |
| Mastec, Inc. | 2.13% |
| Woodward, Inc. | 2.02% |
| Technipfmc PLC | 1.88% |
| Rambus, Inc. | 1.87% |
RYBHX 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 | 99.5% |
| Cash & Equivalents | 0.2% |
RYBHX Performance
Total returns for RYBHX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 22.3% |
| 1 year | 30.9% |
| 3 years (annualised) | 17.2% |
| 5 years (annualised) | 6.5% |
RYBHX Risk Information
Risk metrics for RYBHX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.5%
RYBHX Costs and Fees
RYBHX costs about $153 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.53%
- Gross expense ratio: 1.57%
- Portfolio turnover: 570%
- Brokerage commissions: 17.25 bps of average net assets (SEC N-CEN)
RYBHX Cashflows
Over the 12 months to 2026-06, S&P MidCap 400 Pure Growth Fund had net outflows of $2.84M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $950.07K |
| 2026-05 | −$2.68M |
| 2026-04 | −$147.85M |
| 2026-03 | $142.54M |
| 2026-02 | −$184.07M |
| 2026-01 | $188.90M |
RYBHX Debt Constituents
No individual debt constituents are reported in S&P MidCap 400 Pure Growth Fund's latest SEC N-PORT filing.
RYBHX Prospectus and SEC Filings
Official S&P MidCap 400 Pure Growth 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 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.