IWR vs VOO
IWR vs VOO
iShares Russell Mid-Cap ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. IWR offers more diversification with 798 holdings.
Side-by-Side Comparison
| Metric | IWR | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.18% | 0.03% | |
| AUM | $56.1B | $979.0B | |
| Dividend Yield | 1.15% | 1.09% | |
| Holdings | 831 | 509 | |
| YTD Return | +16.85% | +13.80% | |
| 1Y Return | +22.97% | +23.71% | |
| 3Y Return (annualized) | +16.74% | +21.50% | |
| 5Y Return (annualized) | +8.57% | +13.44% | |
| Volatility (annualized) | 17.0% | 14.1% | |
| Max Drawdown | -59.7% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | Jul 17, 2001 | Sep 7, 2010 |
IWR vs VOO Performance
iShares Russell Mid-Cap ETF (IWR) 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 IWR returned +22.97% while VOO returned +23.71%. Year to date, IWR is up 16.85% versus a gain of 13.80% for VOO.
Over three years, IWR compounded at +16.74% per year against +21.50% for VOO; over five years the annualized figures are +8.57% and +13.44% respectively. Across the full 16-year window we track, VOO has the edge at +13.58% annualized vs +8.78%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IWR has been the more volatile fund, with annualized monthly volatility of 17.0% 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 -59.7% for IWR 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 0.94. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
IWR charges 0.18% per year while VOO charges 0.03%. On a $10,000 position that is $18 vs $3 annually, a gap of $15 per year that compounds over a long holding period. On income, IWR currently yields 1.15% against 1.09% for VOO.
Holdings Overlap
IWR and VOO share 298 holdings out of 1005 unique holdings combined, representing a 13.1% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Top Shared Holdings
| Stock | Weight in IWR | Weight in VOO | Difference |
|---|---|---|---|
| HOOD | 0.65% | 0.12% | 0.53% |
| DDOG | 0.60% | 0.13% | 0.47% |
| MPC | 0.57% | 0.12% | 0.45% |
| RCL | Pro | Pro | Pro |
| SPG | Pro | Pro | Pro |
| PSX | Pro | Pro | Pro |
| URI | Pro | Pro | Pro |
| FIX | Pro | Pro | Pro |
| ALL | Pro | Pro | Pro |
| WBD | Pro | Pro | Pro |
See all 10 holdings IWR 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, IWR or VOO?
IWR has an expense ratio of 0.18% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $15 per year of difference.
Which performed better, IWR or VOO?
Over the past year IWR returned +22.97% vs +23.71% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (16 years), IWR annualized +8.78% vs +13.58% for VOO. Past performance does not guarantee future results.
Which is riskier, IWR or VOO?
IWR has been the more volatile fund at 17.0% annualized versus 14.1% for VOO. Worst drawdown: IWR -59.7% vs VOO -34.3%.
Should I hold both IWR and VOO?
IWR and VOO have a monthly-return correlation of 0.94, 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 IWR and VOO?
IWR and VOO share 298 common holdings with a 13.1% weight overlap. Combined, they hold 1005 unique securities.
Which pays a higher dividend, IWR or VOO?
IWR yields 1.15% while VOO yields 1.09%, so IWR currently pays the higher dividend yield.
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