IYYvsIWBETF Comparison
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iShares Dow Jones U.S. ETF (IYY) belongs to the US All Cap segment. iShares Russell 1000 ETF (IWB) is part of the US Large Cap segment. Both ETFs have the same top 3 sector exposures: Technology, Finance and Healthcare. IYY is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.15% for IWB. IYY is up 12.67% year-to-date (YTD) with -$23M in YTD flows. IWB performs worse with 12.44% YTD performance, and -$2.57B in YTD flows. Run a side-by-side ETF comparison of IYY and IWB 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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IYY vs IWB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYY IWB | -1.00%-0.99% | +3.62%+3.70% | +12.67%+12.44% | +16.83%+16.66% | +75.54%+75.47% | +76.16%+77.12% |
| Flows | IYY IWB | --$167M | -$9M-$444M | -$23M-$2.57B | -$15M-$2.05B | +$154M-$2.56B | +$139M-$2.46B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYY IWB | +11.86%+11.86% | +13.10%+13.00% | +15.31%+15.23% | +17.43%+17.35% |
| Max drawdown | IYY IWB | -3.32%-3.34% | -8.91%-8.86% | -19.25%-19.16% | -25.44%-25.17% |
| Max drawdown duration | IYY IWB | 19d19d | 76d76d | 126d126d | 709d709d |
Trading data
IYY | IWB | |
Last sale 9/11/2026 at 1:30 PM | $185.97 | $417.91 |
| Previous close 09/10/2026 | $184.54 | $414.32 |
| Consolidated volume 09/10/2026 | ||
| 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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IYY | IWB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
IYY | IWB | |
|---|---|---|
| Last price | $185.97 | $417.91 |
| 1D performance | +0.77% | +0.87% |
| AuM | $3.03 B | $48.92 B |
| E/R | 0.2% | 0.15% |
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Exposure
Countries
IYY
USA
97.4%
Other
2.6%
IWB
USA
97.59%
Other
2.41%
Sectors
IYY
Technology
43.1%
Finance
14.57%
Healthcare
9.07%
Consumer Non-Cycl.
8.67%
Industrials
8.2%
Other
16.4%
IWB
Technology
42.37%
Finance
14.69%
Healthcare
9.22%
Consumer Non-Cycl.
8.65%
Industrials
8.55%
Other
16.51%
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Diversification
IYY
Total weight of top 15 holdings out of 15
40.61%
IWB
Total weight of top 15 holdings out of 15
40.24%
Top 15 holdings
Data as of July 31, 2026
IYY
Apple, Inc.
7.12%
NVIDIA Corp.
6.87%
Microsoft Corp.
4.87%
Amazon.com, Inc.
3.35%
Alphabet, Inc.
2.85%
Broadcom Inc.
2.67%
Alphabet, Inc.
2.29%
Meta Platforms, Inc.
1.72%
Micron Technology, Inc.
1.43%
JPMorgan Chase & Co.
1.37%
Berkshire Hathaway, Inc.
1.36%
Eli Lilly & Co.
1.33%
Tesla, Inc.
1.26%
Advanced Micro Devices, Inc.
1.15%
ExxonMobil Holdings Corp.
0.95%
IWB
Apple, Inc.
7.01%
NVIDIA Corp.
6.62%
Microsoft Corp.
4.88%
Amazon.com, Inc.
3.32%
Alphabet, Inc.
2.83%
Broadcom Inc.
2.62%
Alphabet, Inc.
2.31%
Meta Platforms, Inc.
1.72%
Micron Technology, Inc.
1.43%
Berkshire Hathaway, Inc.
1.38%
JPMorgan Chase & Co.
1.36%
Eli Lilly & Co.
1.34%
Tesla, Inc.
1.31%
Advanced Micro Devices, Inc.
1.15%
ExxonMobil Holdings Corp.
0.95%
Frequently asked questions about IYY and IWB
How have the IYY and IWB ETFs performed in 2026?
As of September 11, 2026, IYY is up 12.67% year-to-date (YTD), while IWB has returned 12.44%. That puts IYY better performer ahead so far this year.
Which ETF is attracting more investor money: IYY or IWB?
Year-to-date, the IYY ETF saw -$23M in flows, compared to -$2.57B for IWB.
Which ETF is more volatile: IYY or IWB?
Over the past year, IYY had a volatility of 13.1%, while IWB experienced 13%.
Which ETF is bigger: IYY or IWB?
As of September 11, 2026, IYY holds $3.03 B in assets under management (AUM), while IWB manages $48.92 B.
What sectors do the IYY and IWB ETFs invest in?
IYY leans toward sectors like Technology, Finance and Healthcare. Meanwhile, IWB focuses on Technology, Finance and Healthcare.
What are the top holdings of the IYY ETF and IWB ETF?
IYY top holdings include Apple, Inc., NVIDIA Corp. and Microsoft Corp.. IWB holds in its top three: Apple, Inc., NVIDIA Corp. and Microsoft Corp..
Which ETF is more diversified: IYY or IWB?
IYY holds 966 securities with 40.61% of its assets in the top 15. IWB has 1023 securities and a top 15 weight of 40.24%.
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