OAKM vs VOO
Oakmark US Large Cap ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. VOO offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | OAKM | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.59% | 0.03% | |
| AUM | $1.1B | $979.0B | |
| Dividend Yield | 0.67% | 1.09% | |
| Holdings | 40 | 509 | |
| YTD Return | +8.40% | +13.72% | |
| 1Y Return | +20.21% | +21.63% | |
| 3Y Return (annualized) | - | +21.55% | |
| 5Y Return (annualized) | - | +13.26% | |
| Volatility (annualized) | 10.5% | 14.1% | |
| Max Drawdown | -15.2% | -34.3% | |
| Fund Family | Oakmark Funds | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | Dec 3, 2024 | Sep 7, 2010 |
OAKM vs VOO Performance
Oakmark US Large Cap ETF (OAKM) is a ETF from Oakmark Funds and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year OAKM returned +20.21% while VOO returned +21.63%. Year to date, OAKM is up 8.40% versus a gain of 13.72% for VOO.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 14.1% compared with 10.5% for OAKM. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -15.2% for OAKM and -34.3% for VOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.47. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
OAKM charges 0.59% per year while VOO charges 0.03%. On a $10,000 position that is $59 vs $3 annually, a gap of $56 per year that compounds over a long holding period. On income, OAKM currently yields 0.67% against 1.09% for VOO.
Holdings Overlap
OAKM and VOO share 35 holdings out of 509 unique holdings combined, representing a 8.4% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, OAKM or VOO?
OAKM has an expense ratio of 0.59% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $56 per year of difference.
Which performed better, OAKM or VOO?
Over the past year OAKM returned +20.21% vs +21.63% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (2 years), OAKM annualized +14.47% vs +13.56% for VOO. Past performance does not guarantee future results.
Which is riskier, OAKM or VOO?
VOO has been the more volatile fund at 14.1% annualized versus 10.5% for OAKM. Worst drawdown: OAKM -15.2% vs VOO -34.3%.
Should I hold both OAKM and VOO?
OAKM and VOO have a monthly-return correlation of 0.47, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between OAKM and VOO?
OAKM and VOO share 35 common holdings with a 8.4% weight overlap. Combined, they hold 509 unique securities.
Which pays a higher dividend, OAKM or VOO?
OAKM yields 0.67% while VOO yields 1.09%, so VOO currently pays the higher dividend yield.
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