ITOTvsIWBETF Comparison
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iShares Core S&P Total U.S. Stock Market ETF (ITOT) 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. ITOT is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.15% for IWB. ITOT is up 14.46% year-to-date (YTD) with +$5.74B in YTD flows. IWB performs worse with 13.94% YTD performance, and -$2.70B in YTD flows. Run a side-by-side ETF comparison of ITOT 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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ITOT vs IWB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/22/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ITOT IWB | +1.18%+1.24% | +3.65%+4.08% | +14.46%+13.94% | +16.91%+16.42% | +85.07%+84.78% | +80.06%+82.10% |
| Flows | ITOT IWB | -$366M+$81M | +$948M-$738M | +$5.74B-$2.70B | +$6.39B-$2.22B | +$15.39B-$2.63B | +$19.12B-$2.49B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ITOT IWB | +11.48%+11.42% | +13.38%+13.12% | +15.44%+15.21% | +17.55%+17.34% |
| Max drawdown | ITOT IWB | -3.40%-3.34% | -8.91%-8.86% | -19.43%-19.16% | -25.39%-25.17% |
| Max drawdown duration | ITOT IWB | 40d19d | 76d76d | 127d126d | 711d709d |
Trading data
ITOT | IWB | |
Last sale 9/22/2026 at 1:30 PM | $168.88 | $422.45 |
| Previous close 09/22/2026 | $168.81 | $422.48 |
| Consolidated volume 09/22/2026 | ||
| 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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ITOT | 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 9/22/2026 at 1:30 PM
Live
Closed
ITOT | IWB | |
|---|---|---|
| Last price | $168.88 | $422.45 |
| 1D performance | +0.04% | -0.01% |
| AuM | $97.34 B | $49.33 B |
| E/R | 0.03% | 0.15% |
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Exposure
Countries
ITOT
USA
97.44%
Other
2.56%
IWB
USA
97.59%
Other
2.41%
Sectors
ITOT
Technology
41.62%
Finance
15%
Healthcare
9.6%
Industrials
8.6%
Consumer Non-Cycl.
8.42%
Other
16.75%
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
ITOT
Total weight of top 15 holdings out of 15
38.63%
IWB
Total weight of top 15 holdings out of 15
40.24%
Top 15 holdings
Data as of July 31, 2026
ITOT
Apple, Inc.
6.78%
NVIDIA Corp.
6.54%
Microsoft Corp.
4.64%
Amazon.com, Inc.
3.19%
Alphabet, Inc.
2.71%
Broadcom Inc.
2.54%
Alphabet, Inc.
2.18%
Meta Platforms, Inc.
1.64%
Micron Technology, Inc.
1.36%
JPMorgan Chase & Co.
1.30%
Berkshire Hathaway, Inc.
1.30%
Eli Lilly & Co.
1.26%
Tesla, Inc.
1.20%
Advanced Micro Devices, Inc.
1.09%
ExxonMobil Holdings Corp.
0.90%
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 ITOT and IWB
How have the ITOT and IWB ETFs performed in 2026?
As of September 22, 2026, ITOT is up 14.46% year-to-date (YTD), while IWB has returned 13.94%. That puts ITOT better performer ahead so far this year.
Which ETF is attracting more investor money: ITOT or IWB?
Year-to-date, the ITOT ETF saw +$5.74B in flows, compared to -$2.70B for IWB.
Which ETF is more volatile: ITOT or IWB?
Over the past year, ITOT had a volatility of 13.38%, while IWB experienced 13.12%.
Which ETF is bigger: ITOT or IWB?
As of September 22, 2026, ITOT holds $97.34 B in assets under management (AUM), while IWB manages $49.33 B.
What sectors do the ITOT and IWB ETFs invest in?
ITOT leans toward sectors like Technology, Finance and Healthcare. Meanwhile, IWB focuses on Technology, Finance and Healthcare.
What are the top holdings of the ITOT ETF and IWB ETF?
ITOT 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: ITOT or IWB?
ITOT holds 2428 securities with 38.63% of its assets in the top 15. IWB has 1023 securities and a top 15 weight of 40.24%.
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Latest news about ITOT & IWB
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