RIVSX — River Oak Discovery Fund
Data updated: 2026-06-29
RIVSX — River Oak Discovery Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Small Cap Growth Equity · $15.31M AUM · 1.23% expense ratio · 51.5% 1-yr return. From SEC regulatory filings.
RIVSX Fund Overview
RIVSX — River Oak Discovery Fund is a US mutual fund managed by Oak Associates Funds, categorised as United States Small 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: Oak Associates Funds
- Category: United States Small Cap Growth Equity
- Assets under management: $15.31M
- 1-year return: 51.5%
- Ticker: RIVSX
- SEC CIK: 0001050918
- SEC series ID: S000006544
- Share class ID: C000017879
RIVSX Holdings
Top 10 holdings of River Oak Discovery Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Mount Vernon Liquid Assets Portfolio, LLC | 12.31% |
| Silicon Motion Technology Corp. | 6.04% |
| Applied Industrial Technologies, Inc. | 5.53% |
| Cohu, Inc. | 5.12% |
| V2x, Inc. | 4.72% |
| Alliancebernstein Holding LP | 4.65% |
| Diodes, Inc. | 4.63% |
| Kulicke And Soffa Industries, Inc. | 4.56% |
| Lantheus Holdings, Inc. | 4.37% |
| Adeia, Inc. | 4.30% |
RIVSX Portfolio Allocation
Asset-class allocation of River Oak Discovery Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 96.8% |
| Cash & Equivalents | 15.5% |
RIVSX Performance
Total returns for RIVSX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 23.3% |
| 1 year | 51.5% |
| 3 years (annualised) | 15.9% |
| 5 years (annualised) | 7.1% |
RIVSX Risk Information
Risk metrics for RIVSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 17.3%
RIVSX Costs and Fees
RIVSX costs about $123 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.23%
- Gross expense ratio: 1.23%
- Portfolio turnover: 9%
- Brokerage commissions: 1.46 bps of average net assets (SEC N-CEN)
RIVSX Cashflows
Over the 12 months to 2026-04, River Oak Discovery Fund had net outflows of $11.79M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$7.73K |
| 2026-03 | $18.03K |
| 2026-02 | −$8.26M |
| 2026-01 | −$127.58K |
| 2025-12 | $25.28K |
| 2025-11 | −$2.24M |
RIVSX Debt Constituents
No individual debt constituents are reported in River Oak Discovery Fund's latest SEC N-PORT filing.
RIVSX Prospectus and SEC Filings
Official River Oak Discovery Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Small 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.