MMK vs VOO
State Street Prime Money Market ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO offers more diversification with 509 holdings.
Side-by-Side Comparison
| Metric | MMK | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.18% | 0.03% | |
| AUM | $29M | $997.4B | |
| Dividend Yield | 1.37% | 1.08% | |
| Holdings | 0 | 509 | |
| YTD Return | +1.90% | +12.25% | |
| 1Y Return | - | +20.92% | |
| 3Y Return (annualized) | - | +21.79% | |
| 5Y Return (annualized) | - | +13.05% | |
| Volatility (annualized) | - | 14.1% | |
| Max Drawdown | -0.0% | -34.3% | |
| Fund Family | State Street Investment Management | Vanguard (US) | |
| Category | Money Market | Equity | |
| Inception | Feb 10, 2026 | Sep 7, 2010 |
MMK vs VOO Performance
State Street Prime Money Market ETF (MMK) is a ETF from State Street Investment Management and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Year to date, MMK is up 1.90% versus a gain of 12.25% for VOO.
Risk: Volatility and Drawdowns
The deepest peak-to-trough decline in our data was -0.0% for MMK and -34.3% for VOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
Fees and Cost Over Time
MMK charges 0.18% per year while VOO charges 0.03%. On a $10,000 position that is $18 vs $3 annually, a gap of $15 per year that compounds over a long holding period. On income, MMK currently yields 1.37% against 1.08% for VOO.
Frequently Asked Questions
Which is cheaper, MMK or VOO?
MMK has an expense ratio of 0.18% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $15 per year of difference.
Which pays a higher dividend, MMK or VOO?
MMK yields 1.37% while VOO yields 1.08%, so MMK currently pays the higher dividend yield.
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