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IWMvsVBETF Comparison
iShares Russell 2000 ETF (IWM) and Vanguard Small Cap ETF (VB) belong to the same industry segment: US Small Cap. IWM's top 3 sector exposures are Industrials, Financials and Health Care. In contrast, VB's top sector exposures are Industrials, Information Technology and Financials. IWM is more expensive with a Total Expense Ratio (TER) of 0.19%, versus 0.03% for VB. IWM is up 0.13% year-to-date (YTD) with -$5.60B in YTD flows. VB performs better with 1.01% YTD performance, and +$385M in YTD flows. Run a side-by-side ETF comparison of IWM and VB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
IWM vs VB performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWM VB | -6.19%-5.67% | -1.74%+0.09% | +0.13%+1.01% | +25.94%+21.25% | +47.79%+49.35% | +11.79%+25.22% |
| Flows | IWM VB | -$3.14B+$388M | -$5.49B+$147M | -$5.60B+$385M | -$8.39B+$672M | -$1.14B+$9.70B | -$7.65B+$15.54B |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWM VB | +18.64%+16.15% | +23.15%+21.69% | +21.20%+18.87% | +22.68%+20.67% |
| Max drawdown | IWM VB | -8.62%-6.92% | -16.45%-15.79% | -27.52%-25.25% | -31.96%-28.14% |
| Max drawdown duration | IWM VB | 50d15d | 52d46d | 289d296d | 1093d980d |
IWM | VB | |
Last sale 3/13/2026 at 1:30 PM | $246.59 | $260.61 |
| Previous close 03/12/2026 | $247.41 | $260.75 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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IWM | VB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IWM | VB | |
|---|---|---|
| Last price | $246.59 | $260.61 |
| 1D performance | -0.33% | -0.05% |
| AuM | $68.44 B | $70.05 B |
| E/R | 0.19% | 0.03% |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the IWM and VB ETFs performed in 2026?
As of March 13, 2026, IWM is up 0.13% year-to-date (YTD), while VB has returned 1.01%. That puts VB better performer ahead so far this year.
Which ETF is attracting more investor money: IWM or VB?
Year-to-date, the IWM ETF saw -$5.60B in flows, compared to +$385M for VB.
Which ETF is more volatile: IWM or VB?
Over the past year, IWM had a volatility of 23.15%, while VB experienced 21.69%.
Which ETF is bigger: IWM or VB?
As of March 13, 2026, IWM holds $68.44 B in assets under management (AUM), while VB manages $70.05 B.
What sectors do the IWM and VB ETFs invest in?
IWM leans toward sectors like Industrials, Financials and Health Care. Meanwhile, VB focuses on Industrials, Information Technology and Financials.
What are the top holdings of the IWM ETF and VB ETF?
IWM top holdings include BLOOM ENERGY CORP, CREDO TECHNOLOGY GROUP HOLDING and KRATOS DEFENSE AND SECURITY SOLS. VB holds in its top three: US80004C2008, US7731211089 and COMFORT SYSTEMS USA.
Which ETF is more diversified: IWM or VB?
IWM holds 1942 securities with 7.78% of its assets in the top 15. VB has 1315 securities and a top 15 weight of 6.86%.
MoneyShow Chart of the Day 6/27/25: Big Tech is SO Back. Again.
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