RYBMX — Basic Materials Fund
Data updated: 2026-06-15
RYBMX — Basic Materials Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Global (incl. US) Materials Equity · $39.59M AUM · 1.65% expense ratio · 39.8% 1-yr return. From SEC regulatory filings.
RYBMX Fund Overview
RYBMX — Basic Materials Fund is a US mutual fund managed by Rydex Series Funds, categorised as Global (incl. US) Materials 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) Materials Equity
- Assets under management: $39.59M
- 1-year return: 39.8%
- Ticker: RYBMX
- SEC CIK: 0000899148
- SEC series ID: S000003810
- Share class ID: C000010628
RYBMX Holdings
Top 10 holdings of Basic Materials Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Linde PLC | 3.79% |
| Newmont Corporation | 2.66% |
| Freeport-McMoRan Inc. | 2.34% |
| The Sherwin-Williams Company | 2.19% |
| Ecolab Inc. | 2.03% |
| Air Products & Chemicals, Inc. | 1.97% |
| Corteva Inc | 1.92% |
| Coeur Mining Inc | 1.58% |
| Nucor Corporation | 1.58% |
| Vulcan Materials Company | 1.53% |
RYBMX Portfolio Allocation
Asset-class allocation of Basic Materials Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 93.5% |
| Cash & Equivalents | 0.4% |
RYBMX Performance
Total returns for RYBMX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 9.5% |
| 1 year | 39.8% |
| 3 years (annualised) | 14.1% |
| 5 years (annualised) | 9.6% |
RYBMX Risk Information
Risk metrics for RYBMX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 22.6%
RYBMX Costs and Fees
RYBMX costs about $165 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.65%
- Gross expense ratio: 1.68%
- Portfolio turnover: 49%
- Brokerage commissions: 7.13 bps of average net assets (SEC N-CEN)
RYBMX Cashflows
Over the 12 months to 2026-03, Basic Materials Fund had net inflows of $10.77M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$1.20M |
| 2026-02 | −$105.32K |
| 2026-01 | $9.08M |
| 2025-12 | $3.18M |
| 2025-11 | −$792.60K |
| 2025-10 | $1.57M |
RYBMX Debt Constituents
No individual debt constituents are reported in Basic Materials Fund's latest SEC N-PORT filing.
RYBMX Prospectus and SEC Filings
Official Basic Materials Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Global (incl. US) Materials 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.