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IWBvsIYYETF Comparison
iShares Russell 1000 ETF (IWB) belongs to the US Large Cap segment. iShares Dow Jones U.S. ETF (IYY) is part of the US All Cap segment. IWB's top 3 sector exposures are Information Technology, Financials and Communication Services. In contrast, IYY's top sector exposures are Information Technology, Financials and Consumer Discretionary. IWB is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.2% for IYY. IWB is down -0.68% year-to-date (YTD) with -$501M in YTD flows. IYY performs worse with -0.69% YTD performance, and +$8M in YTD flows. Run a side-by-side ETF comparison of IWB and IYY below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
IWB vs IYY performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWB IYY | -2.28%-2.28% | -1.33%-1.37% | -0.68%-0.69% | +22.03%+22.05% | +81.12%+80.65% | +79.30%+78.01% |
| Flows | IWB IYY | -$155M- | -$52M+$8M | -$501M+$8M | +$813M+$30M | -$1.15B+$166M | +$23M+$177M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWB IYY | +11.94%+12.07% | +18.43%+18.52% | +15.00%+15.08% | +17.13%+17.21% |
| Max drawdown | IWB IYY | -3.31%-3.36% | -13.95%-14.01% | -19.16%-19.25% | -25.17%-25.44% |
| Max drawdown duration | IWB IYY | 42d42d | 45d45d | 126d126d | 709d709d |
IWB | IYY | |
Last sale 3/11/2026 at 1:30 PM | $370.42 | $164.43 |
| Previous close 03/10/2026 | $370.85 | $164.60 |
| Consolidated volume 03/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Create an account to view replication metrics
IWB | IYY | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IWB | IYY | |
|---|---|---|
| Last price | $370.42 | $164.43 |
| 1D performance | -0.12% | -0.10% |
| AuM | $45.46 B | $2.72 B |
| E/R | 0.15% | 0.2% |
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 IWB and IYY ETFs performed in 2026?
As of March 10, 2026, IWB is down -0.68% year-to-date (YTD), while IYY has lost -0.69%. That puts IWB better performer ahead so far this year.
Which ETF is attracting more investor money: IWB or IYY?
Year-to-date, the IWB ETF saw -$501M in flows, compared to +$8M for IYY.
Which ETF is more volatile: IWB or IYY?
Over the past year, IWB had a volatility of 18.43%, while IYY experienced 18.52%.
Which ETF is bigger: IWB or IYY?
As of March 10, 2026, IWB holds $45.46 B in assets under management (AUM), while IYY manages $2.72 B.
What sectors do the IWB and IYY ETFs invest in?
IWB leans toward sectors like Information Technology, Financials and Communication Services. Meanwhile, IYY focuses on Information Technology, Financials and Consumer Discretionary.
What are the top holdings of the IWB ETF and IYY ETF?
IWB top holdings include NVIDIA, APPLE and MICROSOFT-T. IYY holds in its top three: NVIDIA, APPLE and MICROSOFT-T.
Which ETF is more diversified: IWB or IYY?
IWB holds 1008 securities with 40.55% of its assets in the top 15. IYY has 966 securities and a top 15 weight of 40.66%.
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