IVV vs VIOO
iShares Core S&P 500 ETF vs Vanguard S&P Small-Cap 600 ETF
Quick Verdict
IVV has a lower expense ratio. VIOO delivered stronger 1-year returns. VIOO offers more diversification with 613 holdings.
Side-by-Side Comparison
| Metric | IVV | VIOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.03% | 0.07% | |
| AUM | $907.0B | $4.2B | |
| Dividend Yield | 1.10% | 1.12% | |
| Holdings | 508 | 613 | |
| YTD Return | +12.71% | +21.86% | |
| 1Y Return | +21.89% | +30.92% | |
| 3Y Return (annualized) | +22.08% | +16.42% | |
| 5Y Return (annualized) | +12.96% | +7.73% | |
| Volatility (annualized) | 15.1% | 18.9% | |
| Max Drawdown | -56.5% | -44.1% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | May 15, 2000 | Sep 7, 2010 |
IVV vs VIOO Performance
iShares Core S&P 500 ETF (IVV) is a ETF from iShares by BlackRock (US) and Vanguard S&P Small-Cap 600 ETF (VIOO) is a ETF from Vanguard (US). Over the past year IVV returned +21.89% while VIOO returned +30.92%. Year to date, IVV is up 12.71% versus a gain of 21.86% for VIOO.
Over three years, IVV compounded at +22.08% per year against +16.42% for VIOO; over five years the annualized figures are +12.96% and +7.73% respectively. Across the full 16-year window we track, VIOO has the edge at +12.49% annualized vs +7.00%. 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 15.1% for IVV. 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 -56.5% for IVV and -44.1% for VIOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
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
IVV charges 0.03% per year while VIOO charges 0.07%. On a $10,000 position that is $3 vs $7 annually, a gap of $4 per year that compounds over a long holding period. On income, IVV currently yields 1.10% against 1.12% for VIOO.
Holdings Overlap
IVV and VIOO share 1 holdings out of 1111 unique holdings combined, representing a 0.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Top Shared Holdings
| Stock | Weight in IVV | Weight in VIOO | Difference |
|---|---|---|---|
| IPGP | 0.62% | 0.00% | 0.62% |
Frequently Asked Questions
Which is cheaper, IVV or VIOO?
IVV has an expense ratio of 0.03% while VIOO charges 0.07%. IVV is the cheaper option. On a $10,000 investment, that is $4 per year of difference.
Which performed better, IVV or VIOO?
Over the past year IVV returned +21.89% vs +30.92% for VIOO, so VIOO leads on 1-year performance. Over the longest common window we track (16 years), IVV annualized +7.00% vs +12.49% for VIOO. Past performance does not guarantee future results.
Which is riskier, IVV or VIOO?
VIOO has been the more volatile fund at 18.9% annualized versus 15.1% for IVV. Worst drawdown: IVV -56.5% vs VIOO -44.1%.
Should I hold both IVV and VIOO?
IVV and VIOO have a monthly-return correlation of 0.84, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IVV and VIOO?
IVV and VIOO share 1 common holdings with a 0.0% weight overlap. Combined, they hold 1111 unique securities.
Which pays a higher dividend, IVV or VIOO?
IVV yields 1.10% while VIOO yields 1.12%, so VIOO currently pays the higher dividend yield.
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