OANMX vs. VOO
Compare and contrast key facts about Oakmark Fund Institutional Class (OANMX) and Vanguard S&P 500 ETF (VOO).
OANMX is managed by Oakmark. It was launched on Nov 30, 2016. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010.
Performance
OANMX vs. VOO - Performance Comparison
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OANMX vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OANMX Oakmark Fund Institutional Class | -2.41% | 14.38% | 16.28% | 31.21% | -13.18% | 34.87% | 13.09% | 27.35% | -12.62% | 15.96% |
VOO Vanguard S&P 500 ETF | -3.66% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 20.93% |
Returns By Period
In the year-to-date period, OANMX achieves a -2.41% return, which is significantly higher than VOO's -3.66% return.
OANMX
- 1D
- 1.76%
- 1M
- -3.55%
- YTD
- -2.41%
- 6M
- 2.42%
- 1Y
- 10.38%
- 3Y*
- 16.34%
- 5Y*
- 11.18%
- 10Y*
- —
VOO
- 1D
- 0.79%
- 1M
- -4.29%
- YTD
- -3.66%
- 6M
- -1.41%
- 1Y
- 18.17%
- 3Y*
- 18.58%
- 5Y*
- 11.93%
- 10Y*
- 14.14%
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OANMX vs. VOO - Expense Ratio Comparison
OANMX has a 0.68% expense ratio, which is higher than VOO's 0.03% expense ratio.
Return for Risk
OANMX vs. VOO — Risk / Return Rank
OANMX
VOO
OANMX vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Oakmark Fund Institutional Class (OANMX) and Vanguard S&P 500 ETF (VOO). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| OANMX | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.55 | 1.01 | -0.46 |
Sortino ratioReturn per unit of downside risk | 0.89 | 1.53 | -0.65 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.23 | -0.10 |
Calmar ratioReturn relative to maximum drawdown | 0.84 | 1.55 | -0.72 |
Martin ratioReturn relative to average drawdown | 3.34 | 7.31 | -3.97 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| OANMX | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.55 | 1.01 | -0.46 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.61 | 0.71 | -0.10 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.79 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.59 | 0.83 | -0.24 |
Correlation
The correlation between OANMX and VOO is 0.84, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
OANMX vs. VOO - Dividend Comparison
OANMX's dividend yield for the trailing twelve months is around 1.17%, which matches VOO's 1.18% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OANMX Oakmark Fund Institutional Class | 1.17% | 1.14% | 1.34% | 1.22% | 1.17% | 1.94% | 0.33% | 8.53% | 8.37% | 0.66% | 0.00% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.18% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Drawdowns
OANMX vs. VOO - Drawdown Comparison
The maximum OANMX drawdown since its inception was -40.08%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for OANMX and VOO.
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Drawdown Indicators
| OANMX | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -40.08% | -33.99% | -6.09% |
Max Drawdown (1Y)Largest decline over 1 year | -13.46% | -11.98% | -1.48% |
Max Drawdown (5Y)Largest decline over 5 years | -23.55% | -24.52% | +0.97% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.99% | — |
Current DrawdownCurrent decline from peak | -4.92% | -5.55% | +0.63% |
Average DrawdownAverage peak-to-trough decline | -5.62% | -3.72% | -1.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.37% | 2.55% | +0.82% |
Volatility
OANMX vs. VOO - Volatility Comparison
The current volatility for Oakmark Fund Institutional Class (OANMX) is 4.20%, while Vanguard S&P 500 ETF (VOO) has a volatility of 5.34%. This indicates that OANMX experiences smaller price fluctuations and is considered to be less risky than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OANMX | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.20% | 5.34% | -1.14% |
Volatility (6M)Calculated over the trailing 6-month period | 10.34% | 9.47% | +0.87% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.77% | 18.11% | +0.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.36% | 16.82% | +1.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.79% | 17.99% | +2.80% |