IYY vs VOO
IYY vs VOO
iShares Dow Jones US ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. IYY offers more diversification with 827 holdings.
Side-by-Side Comparison
| Metric | IYY | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.20% | 0.03% | |
| AUM | $2.9B | $979.0B | |
| Dividend Yield | 0.87% | 1.09% | |
| Holdings | 970 | 509 | |
| YTD Return | +13.23% | +13.31% | |
| 1Y Return | +23.44% | +24.01% | |
| 3Y Return (annualized) | +20.74% | +21.17% | |
| 5Y Return (annualized) | +12.35% | +13.34% | |
| Volatility (annualized) | 15.6% | 14.1% | |
| Max Drawdown | -56.3% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | Jun 12, 2000 | Sep 7, 2010 |
IYY vs VOO Performance
iShares Dow Jones US ETF (IYY) is a ETF from iShares by BlackRock (US) and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year IYY returned +23.44% while VOO returned +24.01%. Year to date, IYY is up 13.23% versus a gain of 13.31% for VOO.
Over three years, IYY compounded at +20.74% per year against +21.17% for VOO; over five years the annualized figures are +12.35% and +13.34% respectively. Across the full 16-year window we track, VOO has the edge at +13.55% annualized vs +7.02%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IYY has been the more volatile fund, with annualized monthly volatility of 15.6% 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 -56.3% for IYY and -34.3% for VOO. 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 1.00. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
IYY charges 0.20% per year while VOO charges 0.03%. On a $10,000 position that is $20 vs $3 annually, a gap of $17 per year that compounds over a long holding period. On income, IYY currently yields 0.87% against 1.09% for VOO.
Holdings Overlap
IYY and VOO share 467 holdings out of 865 unique holdings combined, representing a 89.9% weight overlap.
High overlap means holding both may not provide much additional diversification.
Top Shared Holdings
| Stock | Weight in IYY | Weight in VOO | Difference |
|---|---|---|---|
| NVDA | 6.79% | 7.51% | 0.72% |
| AAPL | 6.58% | 6.59% | 0.01% |
| MSFT | 4.12% | 4.30% | 0.18% |
| AMZN | Pro | Pro | Pro |
| GOOGL | Pro | Pro | Pro |
| AVGO | Pro | Pro | Pro |
| GOOG | Pro | Pro | Pro |
| META | Pro | Pro | Pro |
| MU | Pro | Pro | Pro |
| TSLA | Pro | Pro | Pro |
See all 10 holdings IYY shares with VOO Exact weights in each fund and the difference, for every overlapping position. Get FundXLS Pro: $29/moFirst 500 subscribers, then $49/mo. Cancel anytime. | |||
Frequently Asked Questions
Which is cheaper, IYY or VOO?
IYY has an expense ratio of 0.20% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $17 per year of difference.
Which performed better, IYY or VOO?
Over the past year IYY returned +23.44% vs +24.01% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (16 years), IYY annualized +7.02% vs +13.55% for VOO. Past performance does not guarantee future results.
Which is riskier, IYY or VOO?
IYY has been the more volatile fund at 15.6% annualized versus 14.1% for VOO. Worst drawdown: IYY -56.3% vs VOO -34.3%.
Should I hold both IYY and VOO?
IYY and VOO have a monthly-return correlation of 1.00, so they move almost identically. Holding both adds little diversification - most investors pick one, usually on fees or the specific index tracked.
What is the holdings overlap between IYY and VOO?
IYY and VOO share 467 common holdings with a 89.9% weight overlap. Combined, they hold 865 unique securities.
Which pays a higher dividend, IYY or VOO?
IYY yields 0.87% while VOO yields 1.09%, so VOO currently pays the higher dividend yield.
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