OAKM vs SPY
Oakmark US Large Cap ETF vs State Street SPDR S&P 500 ETF Trust
Quick Verdict
SPY has a lower expense ratio. SPY delivered stronger 1-year returns. SPY offers more diversification with 503 holdings.
Side-by-Side Comparison
| Metric | OAKM | SPY | Winner |
|---|---|---|---|
| Expense Ratio | 0.59% | 0.09% | |
| AUM | $1.1B | $789.1B | |
| Dividend Yield | 0.67% | 1.01% | |
| Holdings | 40 | 505 | |
| YTD Return | +9.84% | +14.47% | |
| 1Y Return | +20.64% | +21.96% | |
| 3Y Return (annualized) | - | +21.70% | |
| 5Y Return (annualized) | - | +13.30% | |
| Volatility (annualized) | 10.6% | 15.3% | |
| Max Drawdown | -15.2% | -56.5% | |
| Fund Family | Oakmark Funds | State Street Investment Management | |
| Category | Equity | Equity | |
| Inception | Dec 3, 2024 | Jan 22, 1993 |
OAKM vs SPY Performance
Oakmark US Large Cap ETF (OAKM) is a ETF from Oakmark Funds and State Street SPDR S&P 500 ETF Trust (SPY) is a ETF from State Street Investment Management. Over the past year OAKM returned +20.64% while SPY returned +21.96%. Year to date, OAKM is up 9.84% versus a gain of 14.47% for SPY.
Risk: Volatility and Drawdowns
SPY has been the more volatile fund, with annualized monthly volatility of 15.3% compared with 10.6% 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 -56.5% for SPY. 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 0.48. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
OAKM charges 0.59% per year while SPY charges 0.09%. On a $10,000 position that is $59 vs $9 annually, a gap of $50 per year that compounds over a long holding period. On income, OAKM currently yields 0.67% against 1.01% for SPY.
Holdings Overlap
OAKM and SPY share 35 holdings out of 507 unique holdings combined, representing a 8.6% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, OAKM or SPY?
OAKM has an expense ratio of 0.59% while SPY charges 0.09%. SPY is the cheaper option. On a $10,000 investment, that is $50 per year of difference.
Which performed better, OAKM or SPY?
Over the past year OAKM returned +20.64% vs +21.96% for SPY, so SPY leads on 1-year performance. Over the longest common window we track (2 years), OAKM annualized +15.35% vs +8.87% for SPY. Past performance does not guarantee future results.
Which is riskier, OAKM or SPY?
SPY has been the more volatile fund at 15.3% annualized versus 10.6% for OAKM. Worst drawdown: OAKM -15.2% vs SPY -56.5%.
Should I hold both OAKM and SPY?
OAKM and SPY have a monthly-return correlation of 0.48, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between OAKM and SPY?
OAKM and SPY share 35 common holdings with a 8.6% weight overlap. Combined, they hold 507 unique securities.
Which pays a higher dividend, OAKM or SPY?
OAKM yields 0.67% while SPY yields 1.01%, so SPY currently pays the higher dividend yield.
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