IGM vs VOO
IGM vs VOO
iShares Expanded Tech Sector ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. IGM delivered stronger 1-year returns. VOO offers more diversification with 505 holdings.
Side-by-Side Comparison
| Metric | IGM | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.39% | 0.03% | |
| AUM | $9.9B | $979.0B | |
| Dividend Yield | 0.13% | 1.09% | |
| Holdings | 301 | 509 | |
| YTD Return | +26.65% | +13.80% | |
| 1Y Return | +40.69% | +23.71% | |
| 3Y Return (annualized) | +35.79% | +21.50% | |
| 5Y Return (annualized) | +19.11% | +13.44% | |
| Volatility (annualized) | 22.6% | 14.1% | |
| Max Drawdown | -65.6% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | Mar 13, 2001 | Sep 7, 2010 |
IGM vs VOO Performance
iShares Expanded Tech Sector ETF (IGM) 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 IGM returned +40.69% while VOO returned +23.71%. Year to date, IGM is up 26.65% versus a gain of 13.80% for VOO.
Over three years, IGM compounded at +35.79% per year against +21.50% for VOO; over five years the annualized figures are +19.11% and +13.44% respectively. Across the full 16-year window we track, VOO has the edge at +13.58% annualized vs +12.24%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IGM has been the more volatile fund, with annualized monthly volatility of 22.6% 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 -65.6% for IGM 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 0.90. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
IGM charges 0.39% per year while VOO charges 0.03%. On a $10,000 position that is $39 vs $3 annually, a gap of $36 per year that compounds over a long holding period. On income, IGM currently yields 0.13% against 1.09% for VOO.
Holdings Overlap
IGM and VOO share 80 holdings out of 696 unique holdings combined, representing a 46.3% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Top Shared Holdings
| Stock | Weight in IGM | Weight in VOO | Difference |
|---|---|---|---|
| NVDA | 7.97% | 7.51% | 0.46% |
| AAPL | 8.76% | 6.59% | 2.17% |
| MSFT | 7.95% | 4.30% | 3.65% |
| AVGO | Pro | Pro | Pro |
| GOOGL | Pro | Pro | Pro |
| MU | Pro | Pro | Pro |
| META | Pro | Pro | Pro |
| GOOG | Pro | Pro | Pro |
| AMD | Pro | Pro | Pro |
| INTC | Pro | Pro | Pro |
See all 10 holdings IGM shares with VOO Exact weights in each fund and the difference, for every overlapping position. X-ray my whole portfolio$99/yr Pro · 7-day refund | |||
Frequently Asked Questions
Which is cheaper, IGM or VOO?
IGM has an expense ratio of 0.39% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $36 per year of difference.
Which performed better, IGM or VOO?
Over the past year IGM returned +40.69% vs +23.71% for VOO, so IGM leads on 1-year performance. Over the longest common window we track (16 years), IGM annualized +12.24% vs +13.58% for VOO. Past performance does not guarantee future results.
Which is riskier, IGM or VOO?
IGM has been the more volatile fund at 22.6% annualized versus 14.1% for VOO. Worst drawdown: IGM -65.6% vs VOO -34.3%.
Should I hold both IGM and VOO?
IGM and VOO have a monthly-return correlation of 0.90, 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 IGM and VOO?
IGM and VOO share 80 common holdings with a 46.3% weight overlap. Combined, they hold 696 unique securities.
Which pays a higher dividend, IGM or VOO?
IGM yields 0.13% while VOO yields 1.09%, so VOO currently pays the higher dividend yield.
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