IYZ vs VOO
iShares US Telecommunications ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. IYZ delivered stronger 1-year returns. VOO offers more diversification with 509 holdings.
Side-by-Side Comparison
| Metric | IYZ | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.37% | 0.03% | |
| AUM | $1.3B | $997.4B | |
| Dividend Yield | 1.74% | 1.08% | |
| Holdings | 28 | 509 | |
| YTD Return | +25.47% | +12.25% | |
| 1Y Return | +42.13% | +20.92% | |
| 3Y Return (annualized) | +27.15% | +21.79% | |
| 5Y Return (annualized) | +6.81% | +13.05% | |
| Volatility (annualized) | 19.4% | 14.1% | |
| Max Drawdown | -72.5% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | May 22, 2000 | Sep 7, 2010 |
IYZ vs VOO Performance
iShares US Telecommunications ETF (IYZ) 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 IYZ returned +42.13% while VOO returned +20.92%. Year to date, IYZ is up 25.47% versus a gain of 12.25% for VOO.
Over three years, IYZ compounded at +27.15% per year against +21.79% for VOO; over five years the annualized figures are +6.81% and +13.05% respectively. Across the full 16-year window we track, VOO has the edge at +13.45% annualized vs +0.80%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IYZ has been the more volatile fund, with annualized monthly volatility of 19.4% 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 -72.5% for IYZ 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 0.72. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
IYZ charges 0.37% per year while VOO charges 0.03%. On a $10,000 position that is $37 vs $3 annually, a gap of $34 per year that compounds over a long holding period. On income, IYZ currently yields 1.74% against 1.08% for VOO.
Holdings Overlap
IYZ and VOO share 11 holdings out of 519 unique holdings combined, representing a 2.1% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, IYZ or VOO?
IYZ has an expense ratio of 0.37% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $34 per year of difference.
Which performed better, IYZ or VOO?
Over the past year IYZ returned +42.13% vs +20.92% for VOO, so IYZ leads on 1-year performance. Over the longest common window we track (16 years), IYZ annualized +0.80% vs +13.45% for VOO. Past performance does not guarantee future results.
Which is riskier, IYZ or VOO?
IYZ has been the more volatile fund at 19.4% annualized versus 14.1% for VOO. Worst drawdown: IYZ -72.5% vs VOO -34.3%.
Should I hold both IYZ and VOO?
IYZ and VOO have a monthly-return correlation of 0.72, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IYZ and VOO?
IYZ and VOO share 11 common holdings with a 2.1% weight overlap. Combined, they hold 519 unique securities.
Which pays a higher dividend, IYZ or VOO?
IYZ yields 1.74% while VOO yields 1.08%, so IYZ currently pays the higher dividend yield.
Popular ETF Comparisons
Get Full ETF Analytics
Access complete holdings data, overlap analysis, screener tools, and more with FundXLS.