SPY vs WSML
State Street SPDR S&P 500 ETF Trust vs iShares MSCI World Small-Cap ETF
Which is better, SPY or WSML?
WSML has been ahead.
SPY has a lower expense ratio. WSML led over 1Y and the full window.
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 | SPY | WSML |
|---|---|---|
| Expense Ratio | 0.09%Best | 0.30% |
| AUM | $804.7B | $665M |
| Dividend Yield | 0.98% | 2.82% |
| Holdings | 505 | 3,540 |
| YTD Return | +11.52% | +13.84%Best |
| 1Y Return | +17.48% | +19.61%Best |
| 3Y Return (annualized) | +20.62% | - |
| 5Y Return (annualized) | +12.73% | - |
| Volatility (annualized) | 12.3%Best | 13.1% |
| Max Drawdown | -8.9%Best | -10.7% |
| $10,000 over 1.4 years | $14,186 | $14,732Best |
| Fund Family | State Street Investment Management | iShares by BlackRock (US) |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Jan 22, 1993 | Apr 1, 2025 |
Not shown on this pair: Top 10 Weight.
Volatility and max drawdown, and the $10,000 over 1.4 years row, are measured over the window both funds cover: Apr 3, 2025 to Sep 10, 2026 (1.4 years).
SPY vs WSML 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 covers the 1.4 years both funds cover.
SPY vs WSML Performance
State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management and iShares MSCI World Small-Cap ETF (WSML) is an ETF from iShares by BlackRock (US). Over the past year SPY returned +17.48% while WSML returned +19.61%. Year to date, SPY is up 11.52% versus a gain of 13.84% for WSML.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
WSML has been the more volatile fund, with annualized monthly volatility of 13.1% compared with 12.3% for SPY. 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 -8.9% for SPY and -10.7% for WSML. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.78. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
SPY charges 0.09% per year while WSML charges 0.30%. On a $10,000 position that is $9 vs $30 annually, a gap of $21 per year that compounds over a long holding period. On income, SPY currently yields 0.98% against 2.82% for WSML.
Holdings Overlap
At least 1.1% of SPY's money is in holdings WSML also owns.
Stated as a floor: for WSML, our book for it covers 67.4% of that fund, so a holding it does not list is one we cannot count as shared. The real figure is this or higher.
SPY and WSML share little of their money.
46 positions in common, counted across the 504 positions we hold weights for in SPY and 1,556 in WSML, against full books of 505 and 3,540.
Top Shared Holdings
| Stock | Weight in SPY | Weight in WSML | Difference |
|---|---|---|---|
| SNDKSandisk Corp/De | 0.32% | 2.31% | 1.99% |
| MRNAModerna Inc | 0.03% | 0.25% | 0.22% |
| VTRSViatris Inc. | 0.03% | 0.18% | 0.15% |
| AKAMAkamai Technologies Inc. | 0.03% | 0.15% | 0.12% |
| ALBAlbemarle Corp. | 0.02% | 0.15% | 0.13% |
| GNRCGenerac Holdings, Inc. | 0.02% | 0.14% | 0.12% |
| DOCHealthpeak Properties Inc | 0.02% | 0.14% | 0.12% |
| HSTHost Hotels & Resorts Inc | 0.02% | 0.14% | 0.12% |
| RLRalph Lauren Corp. Class A | 0.02% | 0.14% | 0.12% |
| SWKStanley Black & Decker Inc. | 0.02% | 0.14% | 0.12% |
You are not choosing between two funds in isolation.
Whichever of SPY and WSML 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, SPY or WSML?
SPY has an expense ratio of 0.09% while WSML charges 0.30%. SPY is the cheaper option, by $21 a year on a $10,000 investment.
Which performed better, SPY or WSML?
Over the past year SPY returned +17.48% vs +19.61% for WSML, so WSML leads on 1-year performance. Over the longest common window we track (1 years), SPY annualized +28.37% vs +31.88% for WSML. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, SPY or WSML?
WSML has been the more volatile fund at 13.1% annualized versus 12.3% for SPY. Worst drawdown: SPY -8.9% vs WSML -10.7%.
Should I hold both SPY and WSML?
SPY and WSML have a monthly-return correlation of 0.78, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between SPY and WSML?
At least 1.1% of SPY's money is in holdings WSML also owns. Our book for WSML is partial, so the real figure is this or higher. They hold 46 positions in common, counted across the 504 positions we hold weights for in SPY and 1,556 in WSML.
Which pays a higher dividend, SPY or WSML?
SPY yields 0.98% while WSML yields 2.82%, so WSML currently pays the higher dividend yield.
Is WSML better than SPY?
SPY has a lower expense ratio. WSML led over 1Y and the full window. Which one suits a particular account depends on what it is for. This is information, not a recommendation.