OAYMX — Oakmark Fund
Data updated: 2026-05-28
OAYMX — Oakmark Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Leveraged · $24.44B AUM · 0.70% expense ratio · 10.3% 1-yr return. From SEC regulatory filings.
OAYMX Fund Overview
OAYMX — Oakmark Fund is a US mutual fund managed by Harris Associates Investment Trust, categorised as Leveraged. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Harris Associates Investment Trust
- Category: Leveraged
- Assets under management: $24.44B
- 1-year return: 10.3%
- Ticker: OAYMX
- SEC CIK: 0000872323
- SEC series ID: S000002758
- Share class ID: C000174795
OAYMX Holdings
Top 10 holdings of Oakmark Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Fixed Income Clearing Corp. | 4.07% |
| Targa Resources Corp | 3.37% |
| ConocoPhillips | 3.31% |
| Intercontinental Exchange Inc | 2.73% |
| Merck & Co Inc | 2.69% |
| Corteva Inc | 2.65% |
| Airbnb Inc | 2.62% |
| Salesforce Inc | 2.55% |
| Phillips 66 | 2.43% |
| Willis Towers Watson PLC | 2.42% |
OAYMX Portfolio Allocation
Asset-class allocation of Oakmark Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 95.9% |
| Cash & Equivalents | 4.1% |
OAYMX Performance
Total returns for OAYMX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -2.4% |
| 1 year | 10.3% |
| 3 years (annualised) | 16.3% |
| 5 years (annualised) | 11.4% |
OAYMX Risk Information
Risk metrics for OAYMX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 10.7%
OAYMX Costs and Fees
OAYMX costs about $70 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.70%
- Gross expense ratio: 0.70%
- Portfolio turnover: 63%
- Brokerage commissions: 4.58 bps of average net assets (SEC N-CEN)
OAYMX Cashflows
Over the 12 months to 2026-03, Oakmark Fund had net outflows of $1.31B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $1.27M |
| 2026-02 | −$209.15M |
| 2026-01 | −$456.03M |
| 2025-12 | $122.59M |
| 2025-11 | −$137.73M |
| 2025-10 | $59.66M |
OAYMX Debt Constituents
No individual debt constituents are reported in Oakmark Fund's latest SEC N-PORT filing.
OAYMX Prospectus and SEC Filings
Official Oakmark Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Leveraged 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.