VIOO vs VOO
Vanguard S&P Small-Cap 600 ETF vs Vanguard S&P 500 ETF
Which is better, VIOO or VOO?
Small Cap Blend against Large Cap Blend.
VOO has a lower expense ratio. VIOO led over 1Y, VOO over 3Y, 5Y and the full window. VIOO is less concentrated, with 5.1% of the fund in its ten largest positions against 37.6%.
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 | VIOO | VOO |
|---|---|---|
| Expense Ratio | 0.07% | 0.03%Best |
| AUM | $4.2B | $1.0T |
| Dividend Yield | 1.13% | 1.04% |
| Holdings | 606 | 506 |
| YTD Return | +13.66%Best | +12.75% |
| 1Y Return | +16.43%Best | +15.60% |
| 3Y Return (annualized) | +15.54% | +22.95%Best |
| 5Y Return (annualized) | +5.89% | +13.55%Best |
| Volatility (annualized) | 18.9% | 14.1%Best |
| Max Drawdown | -44.1% | -34.3%Best |
| $10,000 over 5 years | $13,313 | $18,877Best |
| Top 10 Weight | 5.1%Best | 37.6% |
| Fund Family | Vanguard (US) | Vanguard (US) |
| Category | Equity | Equity |
| Style | Small Cap Blend | Large Cap Blend |
| Inception | Sep 7, 2010 | Sep 7, 2010 |
Volatility and max drawdown are measured over the window both funds cover: Sep 9, 2010 to Oct 1, 2026 (16.1 years).
VIOO 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 16.1 years both funds cover.
VIOO vs VOO Performance
Vanguard S&P Small-Cap 600 ETF (VIOO) is an ETF from Vanguard (US) and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year VIOO returned +16.43% while VOO returned +15.60%. Year to date, VIOO is up 13.66% versus a gain of 12.75% for VOO.
Over three years, VIOO compounded at +15.54% per year against +22.95% for VOO; over five years the annualized figures are +5.89% and +13.55% respectively. Across the full 16-year window we track, VOO has the edge at +13.38% annualized vs +11.91%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VIOO has been the more volatile fund, with annualized monthly volatility of 18.9% 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 -44.1% for VIOO 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 0.84. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
VIOO charges 0.07% per year while VOO charges 0.03%. On a $10,000 position that is $7 vs $3 annually, a gap of $4 per year that compounds over a long holding period. On income, VIOO currently yields 1.13% against 1.04% for VOO.
Holdings Overlap
0.4% of VIOO's money is in holdings VOO also owns. 0.1% of VOO's money is in holdings VIOO also owns.
We cannot see either book well enough to say how much of this pair is duplicated.
1 positions in common, counted across the 601 positions we hold weights for in VIOO and 494 in VOO, against full books of 606 and 506.
What only one of them owns
Our book lists 486 positions for VOO that do not appear in our book for VIOO (99.1% of the fund), and 590 for VIOO that do not appear in VOO (97.3%).
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 VIOO | Weight in VOO | Difference |
|---|---|---|---|
| CURVVanguard Market Liquidity Fund | 0.44% | 0.05% | 0.39% |
You are not choosing between two funds in isolation.
Whichever of VIOO 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, VIOO or VOO?
VIOO has an expense ratio of 0.07% while VOO charges 0.03%. VOO is the cheaper option, by $4 a year on a $10,000 investment.
Which performed better, VIOO or VOO?
Over the past year VIOO returned +16.43% vs +15.60% for VOO, so VIOO leads on 1-year performance. Over the longest common window we track (16 years), VIOO annualized +11.91% vs +13.38% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, VIOO or VOO?
VIOO has been the more volatile fund at 18.9% annualized versus 14.1% for VOO. Worst drawdown: VIOO -44.1% vs VOO -34.3%.
Should I hold both VIOO and VOO?
VIOO and VOO have a monthly-return correlation of 0.84, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
Which pays a higher dividend, VIOO or VOO?
VIOO yields 1.13% while VOO yields 1.04%, so VIOO currently pays the higher dividend yield.
Is VOO better than VIOO?
VOO has a lower expense ratio. VIOO led over 1Y, VOO over 3Y, 5Y and the full window. VIOO is less concentrated, with 5.1% of the fund in its ten largest positions against 37.6%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.