IWBvsDFUSETF Comparison
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iShares Russell 1000 ETF (IWB) belongs to the US Large Cap segment. Dimensional US Equity ETF (DFUS) is part of the US Multi-Factor segment. Both ETFs have the same top 3 sector exposures: Technology, Finance and Healthcare. IWB is more expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.09% for DFUS. IWB is up 12.73% year-to-date (YTD) with -$2.80B in YTD flows. DFUS performs worse with 12.38% YTD performance, and +$1.21B in YTD flows. Run a side-by-side ETF comparison of IWB and DFUS 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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IWB vs DFUS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/26/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWB DFUS | +0.07%-1.12% | +3.57%+2.67% | +12.73%+12.38% | +12.30%+14.28% | +90.97%+87.26% | +73.04%+75.17% |
| Flows | IWB DFUS | -$104M+$308M | -$660M+$392M | -$2.80B+$1.21B | -$1.07B+$1.34B | -$2.82B+$7.55B | -$2.80B+$8.63B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWB DFUS | +11.29%+11.43% | +12.86%+13.18% | +15.10%+15.38% | +17.30%+17.44% |
| Max drawdown | IWB DFUS | -3.22%-3.34% | -8.86%-8.95% | -19.16%-19.45% | -25.17%-24.67% |
| Max drawdown duration | IWB DFUS | 53d53d | 76d76d | 126d127d | 709d708d |
Trading data
IWB | DFUS | |
Last sale 10/27/2026 at 1:30 PM | $420.41 | $83.87 |
| Previous close 10/26/2026 | $418.06 | $83.31 |
| Consolidated volume 10/26/2026 | ||
| 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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DFUS
is actively managed and doesn’t replicate an indexIWB | DFUS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
IWB | DFUS | |
|---|---|---|
| Last price | $420.41 | $83.87 |
| 1D performance | +0.56% | +0.67% |
| AuM | $48.70 B | $21.52 B |
| E/R | 0.15% | 0.09% |
Characteristics
IWB | DFUS | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Dimensional |
| Benchmark | Russell 1000 Index | - |
| N° of holdings | 1007 | 2193 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 15, 2000 | June 14, 2021 |
| ESG | No | No |
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Exposure
Countries
IWB
USA
97.62%
Other
2.38%
DFUS
USA
97.22%
Other
2.78%
Sectors
IWB
Technology
42.97%
Finance
14.31%
Healthcare
9.34%
Consumer Non-Cycl.
8.59%
Industrials
8.08%
Other
16.72%
DFUS
Technology
43.19%
Finance
12.87%
Healthcare
9.55%
Consumer Non-Cycl.
8.73%
Industrials
8.43%
Other
17.23%
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Diversification
IWB
Total weight of top 15 holdings out of 15
40.83%
DFUS
Total weight of top 15 holdings out of 15
40.95%
Top 15 holdings
Data as of August 31, 2026
IWB
NVIDIA Corp.
7.26%
Apple, Inc.
6.45%
Microsoft Corp.
5.31%
Amazon.com, Inc.
3.55%
Alphabet, Inc.
2.79%
Broadcom Inc.
2.43%
Alphabet, Inc.
2.25%
Meta Platforms, Inc.
1.77%
Micron Technology, Inc.
1.52%
Tesla, Inc.
1.51%
JPMorgan Chase & Co.
1.34%
Berkshire Hathaway, Inc.
1.32%
Eli Lilly & Co.
1.30%
Advanced Micro Devices, Inc.
1.08%
ExxonMobil Holdings Corp.
0.94%
DFUS
NVIDIA Corp.
7.24%
Apple, Inc.
6.45%
Microsoft Corp.
5.32%
Amazon.com, Inc.
3.58%
Alphabet, Inc.
2.79%
Broadcom Inc.
2.44%
Alphabet, Inc.
2.27%
Meta Platforms, Inc.
1.79%
Micron Technology, Inc.
1.54%
Tesla, Inc.
1.52%
JPMorgan Chase & Co.
1.35%
Berkshire Hathaway, Inc.
1.33%
Eli Lilly & Co.
1.31%
Advanced Micro Devices, Inc.
1.08%
ExxonMobil Holdings Corp.
0.94%
Frequently asked questions about IWB and DFUS
How have the IWB and DFUS ETFs performed in 2026?
As of October 26, 2026, IWB is up 12.73% year-to-date (YTD), while DFUS has returned 12.38%. That puts IWB better performer ahead so far this year.
Which ETF is attracting more investor money: IWB or DFUS?
Year-to-date, the IWB ETF saw -$2.80B in flows, compared to +$1.21B for DFUS.
Which ETF is more volatile: IWB or DFUS?
Over the past year, IWB had a volatility of 12.86%, while DFUS experienced 13.18%.
Which ETF is bigger: IWB or DFUS?
As of October 26, 2026, IWB holds $48.70 B in assets under management (AUM), while DFUS manages $21.52 B.
What sectors do the IWB and DFUS ETFs invest in?
IWB leans toward sectors like Technology, Finance and Healthcare. Meanwhile, DFUS focuses on Technology, Finance and Healthcare.
What are the top holdings of the IWB ETF and DFUS ETF?
IWB top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. DFUS holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: IWB or DFUS?
IWB holds 1018 securities with 40.83% of its assets in the top 15. DFUS has 2230 securities and a top 15 weight of 40.95%.
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