IWMvsVTWOETF Comparison
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The ETFs iShares Russell 2000 ETF (IWM) and Vanguard Russell 2000 ETF (VTWO) track the Russell 2000 Total Return Index - USD and belong to the same industry segment: US Small Cap. Both ETFs have the same top 3 sector exposures: Finance, Healthcare and Technology. IWM is more expensive with a Total Expense Ratio (TER) of 0.19%, versus 0.06% for VTWO. IWM is up 14.05% year-to-date (YTD) with -$4.28B in YTD flows. VTWO performs better with 14.19% YTD performance, and +$1.04B in YTD flows. Run a side-by-side ETF comparison of IWM and VTWO below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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IWM vs VTWO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/09/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWM VTWO | -3.78%-3.78% | -5.92%-5.89% | +14.05%+14.19% | +14.96%+15.14% | +65.85%+66.62% | +34.70%+35.77% |
| Flows | IWM VTWO | +$3.01B+$190M | +$1.16B-$35M | -$4.28B+$1.04B | +$575M+$1.68B | -$474M+$5.44B | -$3.50B+$6.70B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWM VTWO | +13.01%+13.02% | +18.76%+18.70% | +21.17%+21.06% | +22.41%+22.35% |
| Max drawdown | IWM VTWO | -8.76%-8.76% | -11.03%-10.99% | -27.52%-27.51% | -31.96%-31.93% |
| Max drawdown duration | IWM VTWO | 54d54d | 82d82d | 289d289d | 1093d1093d |
Trading data
IWM | VTWO | |
Last sale 10/9/2026 at 1:30 PM | $278.94 | $112.66 |
| Previous close 10/08/2026 | $277.57 | $112.10 |
| Consolidated volume 10/08/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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IWM | VTWO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/9/2026 at 1:30 PM
Live
Closed
IWM | VTWO | |
|---|---|---|
| Last price | $278.94 | $112.66 |
| 1D performance | +0.49% | +0.50% |
| AuM | $78.74 B | $16.65 B |
| E/R | 0.19% | 0.06% |
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Exposure
Countries
IWM
USA
94.99%
Other
5.01%
VTWO
USA
92.84%
Other
7.16%
Sectors
IWM
Finance
26.05%
Healthcare
20.69%
Technology
11.8%
Industrials
10.33%
Other
31.12%
VTWO
Finance
25.58%
Healthcare
20.3%
Technology
11.54%
Industrials
10.13%
Other
32.45%
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Diversification
IWM
Total weight of top 15 holdings out of 15
4.62%
VTWO
Total weight of top 15 holdings out of 15
4.48%
Top 15 holdings
Data as of August 31, 2026
IWM
JFrog Ltd.
0.35%
Moog, Inc.
0.34%
UMB Financial Corp.
0.34%
Glaukos Corp.
0.33%
BlackRock Cash Funds - Treasury
0.33%
Brinker International, Inc.
0.32%
BrightSpring Health Services, Inc.
0.30%
Krystal Biotech, Inc.
0.30%
Cytokinetics, Inc.
0.30%
Old National Bancorp
0.29%
Protagonist Therapeutics, Inc.
0.29%
SM Energy Co.
0.29%
Twist Bioscience Corp.
0.28%
FirstCash Holdings, Inc.
0.28%
CareTrust REIT, Inc.
0.28%
VTWO
JFrog Ltd.
0.34%
Moog, Inc.
0.33%
UMB Financial Corp.
0.33%
Glaukos Corp.
0.32%
Brinker International, Inc.
0.31%
BrightSpring Health Services, Inc.
0.30%
Krystal Biotech, Inc.
0.29%
Cytokinetics, Inc.
0.29%
Protagonist Therapeutics, Inc.
0.28%
Twist Bioscience Corp.
0.28%
SM Energy Co.
0.28%
Old National Bancorp
0.28%
CareTrust REIT, Inc.
0.28%
FirstCash Holdings, Inc.
0.28%
Jackson Financial, Inc.
0.28%
Frequently asked questions about IWM and VTWO
How have the IWM and VTWO ETFs performed in 2026?
As of October 9, 2026, IWM is up 14.05% year-to-date (YTD), while VTWO has returned 14.19%. That puts VTWO better performer ahead so far this year.
Which ETF is attracting more investor money: IWM or VTWO?
Year-to-date, the IWM ETF saw -$4.28B in flows, compared to +$1.04B for VTWO.
Which ETF is more volatile: IWM or VTWO?
Over the past year, IWM had a volatility of 18.76%, while VTWO experienced 18.7%.
Which ETF is bigger: IWM or VTWO?
As of October 9, 2026, IWM holds $78.74 B in assets under management (AUM), while VTWO manages $16.65 B.
What sectors do the IWM and VTWO ETFs invest in?
IWM leans toward sectors like Finance, Healthcare and Technology. Meanwhile, VTWO focuses on Finance, Healthcare and Technology.
What are the top holdings of the IWM ETF and VTWO ETF?
IWM top holdings include JFrog Ltd., Moog, Inc. and UMB Financial Corp.. VTWO holds in its top three: JFrog Ltd., Moog, Inc. and UMB Financial Corp..
Which ETF is more diversified: IWM or VTWO?
IWM holds 1953 securities with 4.62% of its assets in the top 15. VTWO has 1986 securities and a top 15 weight of 4.48%.
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