IVV vs MMK
iShares Core S&P 500 ETF vs State Street Prime Money Market ETF
Which is better, IVV or MMK?
IVV costs less.
IVV has a lower expense ratio.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | IVV | MMK |
|---|---|---|
| Expense Ratio | 0.03%Best | 0.18% |
| AUM | $876.4B | $29M |
| Dividend Yield | 1.06% | 1.68% |
| Holdings | 508 | 69 |
| YTD Return | +13.85%Best | +2.26% |
| 1Y Return | +18.57% | - |
| 3Y Return (annualized) | +23.50% | - |
| 5Y Return (annualized) | +13.34% | - |
| Fund Family | iShares by BlackRock (US) | State Street Investment Management |
| Category | Equity | Money Market |
| Style | Large Cap Blend | - |
| Inception | May 15, 2000 | Feb 10, 2026 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window, Top 10 Weight.
IVV vs MMK growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
IVV vs MMK Performance
iShares Core S&P 500 ETF (IVV) is an ETF from iShares by BlackRock (US) and State Street Prime Money Market ETF (MMK) is an ETF from State Street Investment Management. Year to date, IVV is up 13.85% versus a gain of 2.26% for MMK.
Past performance does not guarantee future results.
Fees and Cost Over Time
IVV charges 0.03% per year while MMK charges 0.18%. On a $10,000 position that is $3 vs $18 annually, a gap of $15 per year that compounds over a long holding period. On income, IVV currently yields 1.06% against 1.68% for MMK.
Holdings Overlap
At least 1.0% of IVV's money is in holdings MMK also owns.
Stated as a floor: for MMK, our book for it covers 10.8% of that fund, so a holding it does not list is one we cannot count as shared. The real figure is this or higher.
IVV and MMK share little of their money.
2 positions in common, counted across the 490 positions we hold weights for in IVV and 10 in MMK, against full books of 508 and 69.
You are not choosing between two funds in isolation.
Whichever of IVV and MMK you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IVV or MMK?
IVV has an expense ratio of 0.03% while MMK charges 0.18%. IVV is the cheaper option, by $15 a year on a $10,000 investment.
What is the holdings overlap between IVV and MMK?
At least 1.0% of IVV's money is in holdings MMK also owns. Our book for MMK is partial, so the real figure is this or higher. They hold 2 positions in common, counted across the 490 positions we hold weights for in IVV and 10 in MMK.
Which pays a higher dividend, IVV or MMK?
IVV yields 1.06% while MMK yields 1.68%, so MMK currently pays the higher dividend yield.
Is MMK better than IVV?
IVV has a lower expense ratio. Which one suits a particular account depends on what it is for. This is information, not a recommendation.