OAKEX Performance — Oakmark International Small Cap Fund, Investor Class
Data updated: 2026-08-26
OAKEX returned −3.70% year to date and −1.57% over one year to Jun 2026. Annualised returns are +9.33% over 3 years and +4.18% over 5 years. The fund trailed its Trading - Leveraged category average: $100 invested three years ago grew to $131, against $157 for the category, and to $98 over one year, against $121. Volatility over the past three years was 16.64% a year. In the 12 months to Jun 2026 the fund lost a net $101.7M, and assets reached $1.19B.
OAKEX Growth of $100
What $100 invested in Oakmark International Small Cap Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Trading - Leveraged category average over the same months.
| Period | OAKEX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $98 | $121 |
| 3 years (Jul 2023 – Jun 2026) | $131 | $157 |
| 5 years (Jul 2021 – Jun 2026) | $123 | $144 |
| Since data start (Jul 2019 – Jun 2026) | $173 | $165 |
OAKEX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −3.70% |
| 1 year | −1.57% |
| 3 years (annualised) | +9.33% |
| 5 years (annualised) | +4.18% |
OAKEX Annual Returns
Calendar-year total returns of Oakmark International Small Cap Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | −3.70% |
| 2025 | +29.44% |
| 2024 | −2.94% |
| 2023 | +19.52% |
| 2022 | −14.45% |
| 2021 | +19.11% |
| 2020 | +5.01% |
| 2019 (Jul–Dec) | +11.58% |
OAKEX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +1.1% | +2.4% | −11.3% | +5.6% | +3.5% | −4.1% | — | — | — | — | — | — |
| 2025 | +4.8% | +2.8% | +0.5% | +4.9% | +7.3% | +4.0% | −0.5% | +3.1% | −1.8% | −1.8% | −0.3% | +3.7% |
| 2024 | −2.9% | +1.3% | +2.2% | −2.3% | +5.7% | −6.2% | +7.0% | +3.1% | +1.4% | −5.2% | −2.5% | −3.7% |
| 2023 | +9.9% | −2.6% | −0.4% | +5.4% | −4.9% | +3.6% | +5.4% | −3.3% | −5.0% | −6.5% | +11.4% | +7.0% |
| 2022 | −3.3% | −4.5% | −4.0% | −6.9% | +3.2% | −11.6% | +7.2% | −6.9% | −11.0% | +8.9% | +16.7% | +0.6% |
| 2021 | +0.5% | +7.0% | +3.7% | +5.7% | +3.7% | −1.8% | +1.9% | +2.2% | −5.7% | +2.2% | −5.6% | +4.8% |
| 2020 | −4.6% | −9.8% | −28.3% | +15.3% | +6.8% | +1.3% | +4.0% | +8.1% | −3.7% | −1.3% | +21.1% | +5.4% |
| 2019 | — | — | — | — | — | — | −2.2% | −2.9% | +4.4% | +4.2% | +2.3% | +5.5% |
OAKEX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 16.64%
- 3-year Sharpe ratio: 0.29 (vs 4.5% risk-free rate)
- Best month: +11.40% (Nov 2023)
- Worst month: −11.28% (Mar 2026)
OAKEX Fund Flows
Monthly money in and out of Oakmark International Small Cap Fund, from SEC Form N-PORT.
- 12-month net flow: −$101.7M
- 12-month gross sales (incl. reinvestments): $174.5M
- Sales ÷ redemptions: 0.63×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $4.5M | $27.5M | −$23.0M |
| May 2026 | $8.5M | $16.1M | −$7.6M |
| Apr 2026 | $9.5M | $15.9M | −$6.4M |
| Mar 2026 | $7.0M | $17.2M | −$10.2M |
| Feb 2026 | $18.7M | $27.5M | −$8.8M |
| Jan 2026 | $8.9M | $20.5M | −$11.6M |
| Dec 2025 | $61.8M | $25.4M | $36.4M |
| Nov 2025 | $4.5M | $18.2M | −$13.8M |
| Oct 2025 | $17.8M | $29.8M | −$11.9M |
| Sep 2025 | $8.2M | $17.3M | −$9.2M |
| Aug 2025 | $9.7M | $37.1M | −$27.3M |
| Jul 2025 | $15.4M | $23.7M | −$8.3M |
OAKEX Assets Under Management
Net assets of Oakmark International Small Cap Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $1.19B |
| 2026-03-31 | $1.17B |
| 2025-12-31 | $1.30B |
| 2025-09-30 | $1.34B |
| 2025-06-30 | $1.37B |
| 2025-03-31 | $1.21B |
| 2024-12-31 | $1.26B |
| 2024-09-30 | $1.67B |
| 2024-06-30 | $1.50B |
| 2024-03-31 | $1.46B |
| 2023-12-31 | $1.46B |
| 2023-09-30 | $1.32B |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.