IWM vs VO
iShares Russell 2000 ETF vs Vanguard Mid-Cap Index Fund ETF Shares
Last updated: 2026-04-08
iShares Russell 2000 ETF (IWM) is an exchange-traded fund that provides exposure to small-cap U.S. equities with higher growth potential and volatility. It charges a moderate expense ratio of 0.19%. The fund offers a moderate dividend yield of 1.00%. Launched in 2000, the fund has a 26-year track record.
Vanguard Mid-Cap Index Fund ETF Shares (VO) is an exchange-traded fund that provides exposure to mid-cap U.S. companies balancing growth potential and stability. It charges a very low expense ratio of 0.03%. The fund offers a moderate dividend yield of 1.49%. Launched in 2004, the fund has a 22-year track record.
Quick Verdict
VO is significantly cheaper at 0.03% vs 0.19% expense ratio, saving you approximately $317 per $10,000 invested over 10 years. Over the past year, IWM has significantly outperformed with a 44.4% return vs 27.5%.
Key Metrics
Performance Chart
Indexed to 100 at start (5-year comparison)
Performance Comparison
Fee Impact Over Time
Estimated fee cost difference assuming 8% annual returns
Risk Metrics
Based on 5 years of daily returns
Dividend Comparison
Top Holdings
0 of top 10 holdings overlap (0% overlap in top holdings)
IWM Top Holdings
| Name | Weight |
|---|---|
| Bloom Energy CorporationBE | 0.99% |
| FabrinetFN | 0.67% |
| COEUR MINING INCCDE.NE | 0.63% |
| EchoStar CorporationSATS | 0.57% |
| Credo Technology Group Holding LtdCRDO | 0.55% |
| Nextpower Inc.NXT | 0.53% |
| Kratos Defense & Security Solutions, Inc.KTOS | 0.45% |
| Advanced Energy Industries, Inc.AEIS | 0.42% |
| Hecla Mining CompanyHL | 0.41% |
| Sterling Infrastructure, Inc.STRL | 0.39% |
VO Top Holdings
| Name | Weight |
|---|---|
| Newmont CorporationNEM | 1.46% |
| Corning IncorporatedGLW | 1.20% |
| Howmet Aerospace Inc.HWM | 1.09% |
| Constellation Energy CorporationCEG | 1.06% |
| Vertiv Holdings CoVRT | 0.99% |
| Western Digital CorporationWDC | 0.99% |
| Seagate Technology Holdings plcSTX | 0.90% |
| Quanta Services, Inc.PWR | 0.87% |
| Cummins Inc.CMI | 0.83% |
| CRH plcCRH | 0.83% |
Which One Should You Choose?
Choose VO if...
you want the lowest fees and plan to buy and hold long-term. Over decades, the expense ratio difference compounds significantly.
Choose IWM if...
recent performance momentum matters to your strategy. Note that past performance doesn't guarantee future results.
Choose VO if...
you prioritize dividend income and want higher regular distributions from your portfolio.