IYW vs VOO
IYW vs VOO
iShares US Technology ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. IYW delivered stronger 1-year returns. VOO offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | IYW | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.38% | 0.03% | |
| AUM | $23.3B | $979.0B | |
| Dividend Yield | 0.10% | 1.09% | |
| Holdings | 153 | 509 | |
| YTD Return | +25.45% | +13.11% | |
| 1Y Return | +38.04% | +22.88% | |
| 3Y Return (annualized) | +32.16% | +21.08% | |
| 5Y Return (annualized) | +19.46% | +13.26% | |
| Volatility (annualized) | 24.6% | 14.1% | |
| Max Drawdown | -81.9% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | May 15, 2000 | Sep 7, 2010 |
IYW vs VOO Performance
iShares US Technology ETF (IYW) 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 IYW returned +38.04% while VOO returned +22.88%. Year to date, IYW is up 25.45% versus a gain of 13.11% for VOO.
Over three years, IYW compounded at +32.16% per year against +21.08% for VOO; over five years the annualized figures are +19.46% and +13.26% respectively. Across the full 16-year window we track, VOO has the edge at +13.54% annualized vs +8.87%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IYW has been the more volatile fund, with annualized monthly volatility of 24.6% 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 -81.9% for IYW 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 0.88. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
IYW charges 0.38% per year while VOO charges 0.03%. On a $10,000 position that is $38 vs $3 annually, a gap of $35 per year that compounds over a long holding period. On income, IYW currently yields 0.10% against 1.09% for VOO.
Holdings Overlap
IYW and VOO share 65 holdings out of 590 unique holdings combined, representing a 43.9% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Top Shared Holdings
| Stock | Weight in IYW | Weight in VOO | Difference |
|---|---|---|---|
| NVDA | 12.80% | 7.51% | 5.29% |
| AAPL | 12.81% | 6.59% | 6.22% |
| MSFT | 8.56% | 4.30% | 4.26% |
| GOOGL | Pro | Pro | Pro |
| GOOG | Pro | Pro | Pro |
| AVGO | Pro | Pro | Pro |
| META | Pro | Pro | Pro |
| MU | Pro | Pro | Pro |
| AMD | Pro | Pro | Pro |
| INTC | Pro | Pro | Pro |
See all 10 holdings IYW 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, IYW or VOO?
IYW has an expense ratio of 0.38% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $35 per year of difference.
Which performed better, IYW or VOO?
Over the past year IYW returned +38.04% vs +22.88% for VOO, so IYW leads on 1-year performance. Over the longest common window we track (16 years), IYW annualized +8.87% vs +13.54% for VOO. Past performance does not guarantee future results.
Which is riskier, IYW or VOO?
IYW has been the more volatile fund at 24.6% annualized versus 14.1% for VOO. Worst drawdown: IYW -81.9% vs VOO -34.3%.
Should I hold both IYW and VOO?
IYW and VOO have a monthly-return correlation of 0.88, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IYW and VOO?
IYW and VOO share 65 common holdings with a 43.9% weight overlap. Combined, they hold 590 unique securities.
Which pays a higher dividend, IYW or VOO?
IYW yields 0.10% while VOO yields 1.09%, so VOO currently pays the higher dividend yield.
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