OARMX Performance — Oakmark Fund, Service Class
Data updated: 2026-08-26
OARMX returned +35.20% over one year to Nov 2021. Over one year the fund beat its Trading - Leveraged category average: $100 grew to $135, against $108 for the category. Volatility over the past 12 months was 15.23% a year. In the 12 months to Jun 2026 the fund lost a net $2.0B, and assets reached $24.03B.
OARMX Growth of $100
What $100 invested in Oakmark Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Trading - Leveraged category average over the same months.
| Period | OARMX | Category average |
|---|---|---|
| 1 year (Dec 2020 – Nov 2021) | $135 | $108 |
| Since data start (Jul 2019 – Nov 2021) | $157 | $113 |
OARMX Trailing Returns
Total returns to Nov 2021, from SEC N-PORT.
| Period | Total return |
|---|---|
| 1 year | +35.20% |
| 3 years (annualised) | +20.54% |
OARMX Annual Returns
Calendar-year total returns of Oakmark Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2021 (Jan–Nov) | +28.08% |
| 2020 | +12.59% |
| 2019 (Jul–Dec) | +8.92% |
OARMX 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | −1.2% | +10.4% | +5.9% | +5.4% | +3.5% | −0.3% | +0.7% | +3.3% | −2.1% | +5.8% | −5.4% | — |
| 2020 | −2.8% | −8.6% | −21.7% | +15.9% | +4.6% | +1.4% | +3.3% | +7.0% | −4.0% | −0.2% | +17.9% | +5.6% |
| 2019 | — | — | — | — | — | — | +1.4% | −5.5% | +2.2% | +3.1% | +5.1% | +2.7% |
OARMX Risk
Risk measures from monthly returns over Dec 2020 – Nov 2021.
- 1-year volatility (annualised): 15.23%
- Best month: +10.41% (Feb 2021)
- Worst month: −5.42% (Nov 2021)
OARMX Fund Flows
Monthly money in and out of Oakmark Fund, from SEC Form N-PORT.
- 12-month net flow: −$2.0B
- 12-month gross sales (incl. reinvestments): $10.0B
- Sales ÷ redemptions: 0.84×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $639.3M | $1.1B | −$482.8M |
| May 2026 | $679.1M | $1.0B | −$330.8M |
| Apr 2026 | $716.9M | $917.1M | −$200.2M |
| Mar 2026 | $884.0M | $882.7M | $1.3M |
| Feb 2026 | $1.1B | $1.3B | −$209.2M |
| Jan 2026 | $454.0M | $910.0M | −$456.0M |
| Dec 2025 | $928.3M | $805.7M | $122.6M |
| Nov 2025 | $716.4M | $854.1M | −$137.7M |
| Oct 2025 | $924.1M | $864.5M | $59.7M |
| Sep 2025 | $660.8M | $696.7M | −$35.9M |
| Aug 2025 | $1.3B | $1.3B | $44.1M |
| Jul 2025 | $950.8M | $1.3B | −$340.0M |
OARMX Assets Under Management
Net assets of Oakmark Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $24.03B |
| 2026-03-31 | $24.44B |
| 2025-12-31 | $25.71B |
| 2025-09-30 | $24.75B |
| 2025-06-30 | $24.29B |
| 2025-03-31 | $23.66B |
| 2024-12-31 | $23.47B |
| 2024-09-30 | $23.09B |
| 2024-06-30 | $21.56B |
| 2024-03-31 | $22.12B |
| 2023-12-31 | $19.35B |
| 2023-09-30 | $16.85B |
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.