IWBvsITOTETF Comparison
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iShares Russell 1000 ETF (IWB) belongs to the US Large Cap segment. iShares Core S&P Total U.S. Stock Market ETF (ITOT) is part of the US All Cap 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 0.03% for ITOT. IWB is up 12.73% year-to-date (YTD) with -$2.80B in YTD flows. ITOT performs better with 13% YTD performance, and +$6.10B in YTD flows. Run a side-by-side ETF comparison of IWB and ITOT 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 ITOT 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 ITOT | +0.07%-0.10% | +3.57%+3.11% | +12.73%+13.00% | +12.30%+12.47% | +90.97%+91.14% | +73.04%+70.87% |
| Flows | IWB ITOT | -$104M+$411M | -$660M+$306M | -$2.80B+$6.10B | -$1.07B+$6.44B | -$2.82B+$15.29B | -$2.80B+$18.62B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWB ITOT | +11.29%+11.39% | +12.86%+13.11% | +15.10%+15.33% | +17.30%+17.51% |
| Max drawdown | IWB ITOT | -3.22%-3.40% | -8.86%-8.91% | -19.16%-19.43% | -25.17%-25.39% |
| Max drawdown duration | IWB ITOT | 53d74d | 76d76d | 126d127d | 709d711d |
Trading data
IWB | ITOT | |
Last sale 10/27/2026 at 1:30 PM | $420.41 | $167.79 |
| Previous close 10/26/2026 | $418.06 | $166.73 |
| 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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IWB | ITOT | |
|---|---|---|
| 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 | ITOT | |
|---|---|---|
| Last price | $420.41 | $167.79 |
| 1D performance | +0.56% | +0.64% |
| AuM | $48.70 B | $96.46 B |
| E/R | 0.15% | 0.03% |
Exposure
Countries
IWB
USA
97.62%
Other
2.38%
ITOT
USA
97.5%
Other
2.5%
Sectors
IWB
Technology
42.97%
Finance
14.31%
Healthcare
9.34%
Consumer Non-Cycl.
8.59%
Industrials
8.08%
Other
16.72%
ITOT
Technology
42.21%
Finance
14.59%
Healthcare
9.72%
Consumer Non-Cycl.
8.36%
Industrials
8.14%
Other
16.98%
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Diversification
IWB
Total weight of top 15 holdings out of 15
40.83%
ITOT
Total weight of top 15 holdings out of 15
39.25%
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%
ITOT
NVIDIA Corp.
7.18%
Apple, Inc.
6.25%
Microsoft Corp.
5.06%
Amazon.com, Inc.
3.41%
Alphabet, Inc.
2.67%
Broadcom Inc.
2.35%
Alphabet, Inc.
2.13%
Meta Platforms, Inc.
1.69%
Micron Technology, Inc.
1.45%
Tesla, Inc.
1.39%
JPMorgan Chase & Co.
1.28%
Berkshire Hathaway, Inc.
1.24%
Eli Lilly & Co.
1.23%
Advanced Micro Devices, Inc.
1.03%
ExxonMobil Holdings Corp.
0.90%
Frequently asked questions about IWB and ITOT
How have the IWB and ITOT ETFs performed in 2026?
As of October 26, 2026, IWB is up 12.73% year-to-date (YTD), while ITOT has returned 13%. That puts ITOT better performer ahead so far this year.
Which ETF is attracting more investor money: IWB or ITOT?
Year-to-date, the IWB ETF saw -$2.80B in flows, compared to +$6.10B for ITOT.
Which ETF is more volatile: IWB or ITOT?
Over the past year, IWB had a volatility of 12.86%, while ITOT experienced 13.11%.
Which ETF is bigger: IWB or ITOT?
As of October 26, 2026, IWB holds $48.70 B in assets under management (AUM), while ITOT manages $96.46 B.
What sectors do the IWB and ITOT ETFs invest in?
IWB leans toward sectors like Technology, Finance and Healthcare. Meanwhile, ITOT focuses on Technology, Finance and Healthcare.
What are the top holdings of the IWB ETF and ITOT ETF?
IWB top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. ITOT holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: IWB or ITOT?
IWB holds 1018 securities with 40.83% of its assets in the top 15. ITOT has 2418 securities and a top 15 weight of 39.25%.
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Latest news about IWB & ITOT
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ITOT
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