IWMvsITWOETF Comparison
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iShares Russell 2000 ETF (IWM) belongs to the US Small Cap segment. ProShares Russell 2000 High Income ETF (ITWO) is part of the Options Strategies segment. Both ETFs have the same top 3 sector exposures: Finance, Healthcare and Technology. IWM is less expensive with a Total Expense Ratio (TER) of 0.19%, versus 0.55% for ITWO. IWM is up 20.11% year-to-date (YTD) with -$7.28B in YTD flows. ITWO performs worse with 19.78% YTD performance, and +$73M in YTD flows. Run a side-by-side ETF comparison of IWM and ITWO 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 ITWO performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/08/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWM ITWO | -1.79%-2.95% | +3.94%+2.79% | +20.11%+19.78% | +24.98%+26.64% | +65.90%n/a | +40.13%n/a |
| Flows | IWM ITWO | +$311M+$2M | -$908M+$9M | -$7.28B+$73M | -$2.74B+$113M | -$2.35B- | -$5.33B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWM ITWO | +14.88%+14.96% | +18.90%+18.38% | +21.24%n/a | +22.50%n/a |
| Max drawdown | IWM ITWO | -4.76%-4.69% | -11.03%-9.74% | -27.52%n/a | -31.96%n/a |
| Max drawdown duration | IWM ITWO | 23d24d | 82d81d | 289dn/a | 1093dn/a |
Trading data
IWM | ITWO | |
Last sale 9/10/2026 at 6:48 PM | $287.36 | $44.57 |
| Previous close 09/09/2026 | $290.64 | $44.73 |
| Consolidated volume 09/09/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IWM | ITWO | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/10/2026 at 6:48 PM
Live
Closed
IWM | ITWO | |
|---|---|---|
| Last price | $287.36 | $44.57 |
| 1D performance | -1.13% | -0.36% |
| AuM | $79.99 B | $194.71 M |
| E/R | 0.19% | 0.55% |
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Exposure
Countries
IWM
USA
95.53%
Other
4.47%
ITWO
USA
79.19%
Other
20.81%
Sectors
IWM
Finance
26.78%
Healthcare
20.22%
Technology
11.82%
Industrials
10.54%
Other
30.64%
ITWO
Finance
22.34%
Healthcare
16.54%
Technology
9.74%
Industrials
8.97%
Other
42.4%
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Diversification
IWM
Total weight of top 15 holdings out of 15
4.93%
ITWO
Total weight of top 15 holdings out of 15
3.89%
Top 15 holdings
Data as of July 31, 2026
IWM
BlackRock Cash Funds - Treasury
0.46%
Moog, Inc.
0.39%
BrightSpring Health Services, Inc.
0.38%
Hut 8 Corp.
0.36%
UMB Financial Corp.
0.35%
Cytokinetics, Inc.
0.34%
ViaSat, Inc.
0.32%
Glaukos Corp.
0.31%
Krystal Biotech, Inc.
0.31%
CareTrust REIT, Inc.
0.30%
Old National Bancorp
0.30%
Brinker International, Inc.
0.29%
Crinetics Pharmaceuticals, Inc.
0.28%
HealthEquity, Inc.
0.28%
JFrog Ltd.
0.27%
ITWO
Moog, Inc.
0.32%
BrightSpring Health Services, Inc.
0.32%
Cytokinetics, Inc.
0.29%
UMB Financial Corp.
0.28%
CareTrust REIT, Inc.
0.27%
ViaSat, Inc.
0.26%
Old National Bancorp
0.25%
Krystal Biotech, Inc.
0.25%
JFrog Ltd.
0.24%
Alkermes Plc
0.24%
Glaukos Corp.
0.24%
Crinetics Pharmaceuticals, Inc.
0.24%
ESCO Technologies, Inc.
0.23%
FirstCash Holdings, Inc.
0.23%
Brinker International, Inc.
0.23%
Frequently asked questions about IWM and ITWO
How have the IWM and ITWO ETFs performed in 2026?
As of September 8, 2026, IWM is up 20.11% year-to-date (YTD), while ITWO has returned 19.78%. That puts IWM better performer ahead so far this year.
Which ETF is attracting more investor money: IWM or ITWO?
Year-to-date, the IWM ETF saw -$7.28B in flows, compared to +$73M for ITWO.
Which ETF is more volatile: IWM or ITWO?
Over the past year, IWM had a volatility of 18.9%, while ITWO experienced 18.38%.
Which ETF is bigger: IWM or ITWO?
As of September 8, 2026, IWM holds $79.99 B in assets under management (AUM), while ITWO manages $194.71 M.
What sectors do the IWM and ITWO ETFs invest in?
IWM leans toward sectors like Finance, Healthcare and Technology. Meanwhile, ITWO focuses on Finance, Healthcare and Technology.
What are the top holdings of the IWM ETF and ITWO ETF?
IWM top holdings include BlackRock Cash Funds - Treasury, Moog, Inc. and BrightSpring Health Services, Inc.. ITWO holds in its top three: Moog, Inc., BrightSpring Health Services, Inc. and Cytokinetics, Inc..
Which ETF is more diversified: IWM or ITWO?
IWM holds 1957 securities with 4.93% of its assets in the top 15. ITWO has 1920 securities and a top 15 weight of 3.89%.
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