ACWX vs VOO
iShares MSCI ACWI ex US ETF vs Vanguard S&P 500 ETF
Which is better, ACWX or VOO?
Each has led over a different period.
VOO has a lower expense ratio. ACWX led over 1Y, VOO over 3Y, 5Y and the full window. ACWX is less concentrated, with 15.5% of the fund in its ten largest positions against 36.4%.
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 | ACWX | VOO |
|---|---|---|
| Expense Ratio | 0.32% | 0.03%Best |
| AUM | $12.4B | $997.4B |
| Dividend Yield | 2.46% | 1.04% |
| Holdings | 1,913 | 509 |
| YTD Return | +13.74%Best | +11.55% |
| 1Y Return | +23.46%Best | +17.54% |
| 3Y Return (annualized) | +19.20% | +20.71%Best |
| 5Y Return (annualized) | +8.60% | +12.80%Best |
| Volatility (annualized) | 14.9% | 14.1%Best |
| Max Drawdown | -38.9% | -34.3%Best |
| $10,000 over 5 years | $15,106 | $18,262Best |
| Top 10 Weight | 15.5%Best | 36.4% |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Mar 26, 2008 | Sep 7, 2010 |
Volatility and max drawdown are measured over the window both funds cover: Sep 9, 2010 to Sep 10, 2026 (16 years).
ACWX vs VOO 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 16 years both funds cover.
ACWX vs VOO Performance
iShares MSCI ACWI ex US ETF (ACWX) is an ETF from iShares by BlackRock (US) and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year ACWX returned +23.46% while VOO returned +17.54%. Year to date, ACWX is up 13.74% versus a gain of 11.55% for VOO.
Over three years, ACWX compounded at +19.20% per year against +20.71% for VOO; over five years the annualized figures are +8.60% and +12.80% respectively. Across the full 16-year window we track, VOO has the edge at +13.35% annualized vs +5.13%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
ACWX has been the more volatile fund, with annualized monthly volatility of 14.9% compared with 14.1% for VOO. 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 -38.9% for ACWX and -34.3% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.83. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
ACWX charges 0.32% per year while VOO charges 0.03%. On a $10,000 position that is $32 vs $3 annually, a gap of $29 per year that compounds over a long holding period. On income, ACWX currently yields 2.46% against 1.04% for VOO.
Holdings Overlap
1.1% of ACWX's money is in holdings VOO also owns. 2.6% of VOO's money is in holdings ACWX also owns.
VOO and ACWX share little of their money.
6 positions in common, counted across the 1,837 positions we hold weights for in ACWX and 505 in VOO, against full books of 1,913 and 509.
What only one of them owns
Our book lists 492 positions for VOO that do not appear in our book for ACWX (96.9% of the fund), and 28 for ACWX that do not appear in VOO (1.9%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in ACWX | Weight in VOO | Difference |
|---|---|---|---|
| METAMeta Platforms, Inc. | 0.00% | 1.92% | 1.92% |
| ROPRoper Technologies Inc. | 0.84% | 0.05% | 0.79% |
| MRKMerck & Co. Inc. | 0.06% | 0.49% | 0.43% |
| DGDollar General Corp. | 0.18% | 0.04% | 0.14% |
| UMG:ASUniversal Music Group N.V. Universal Music Group N V | 0.05% | 0.06% | 0.01% |
| HAL:MBHindustan Aeronautics Ltd | 0.02% | 0.04% | 0.02% |
You are not choosing between two funds in isolation.
Whichever of ACWX and VOO 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, ACWX or VOO?
ACWX has an expense ratio of 0.32% while VOO charges 0.03%. VOO is the cheaper option, by $29 a year on a $10,000 investment.
Which performed better, ACWX or VOO?
Over the past year ACWX returned +23.46% vs +17.54% for VOO, so ACWX leads on 1-year performance. Over the longest common window we track (16 years), ACWX annualized +5.13% vs +13.35% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, ACWX or VOO?
ACWX has been the more volatile fund at 14.9% annualized versus 14.1% for VOO. Worst drawdown: ACWX -38.9% vs VOO -34.3%.
Should I hold both ACWX and VOO?
ACWX and VOO have a monthly-return correlation of 0.83, 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 ACWX and VOO?
2.6% of VOO's money is in holdings ACWX also owns. 2.6% of VOO's is in holdings ACWX also owns. They hold 6 positions in common, counted across the 1,837 positions we hold weights for in ACWX and 505 in VOO.
Which pays a higher dividend, ACWX or VOO?
ACWX yields 2.46% while VOO yields 1.04%, so ACWX currently pays the higher dividend yield.
Is VOO better than ACWX?
VOO has a lower expense ratio. ACWX led over 1Y, VOO over 3Y, 5Y and the full window. ACWX is less concentrated, with 15.5% of the fund in its ten largest positions against 36.4%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.