MTUMvsIWBETF Comparison
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iShares MSCI USA Momentum Factor ETF (MTUM) belongs to the US Multi-Factor segment. iShares Russell 1000 ETF (IWB) is part of the US Large Cap segment. MTUM's top 3 sector exposures are Technology, Industrials and Healthcare. In contrast, IWB's top sector exposures are Technology, Finance and Healthcare. Both MTUM and IWB have the same Total Expense Ratio (TER) of 0.15%. MTUM is up 18.2% year-to-date (YTD) with -$6.31B in YTD flows. IWB performs worse with 12.73% YTD performance, and -$2.80B in YTD flows. Run a side-by-side ETF comparison of MTUM 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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MTUM vs IWB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/26/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MTUM IWB | -6.64%+0.07% | -2.33%+3.57% | +18.20%+12.73% | +14.98%+12.30% | +122.43%+90.97% | +64.59%+73.04% |
| Flows | MTUM IWB | -$905M-$104M | -$6.63B-$660M | -$6.31B-$2.80B | -$4.99B-$1.07B | -$117M-$2.82B | -$5.10B-$2.80B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MTUM IWB | +26.27%+11.29% | +27.44%+12.86% | +23.29%+15.10% | +22.30%+17.30% |
| Max drawdown | MTUM IWB | -11.06%-3.22% | -18.15%-8.86% | -20.97%-19.16% | -32.26%-25.17% |
| Max drawdown duration | MTUM IWB | 20d53d | 126d76d | 85d126d | 849d709d |
Trading data
MTUM | IWB | |
Last sale 10/27/2026 at 6:35 PM | $299.55 | $420.12 |
| Previous close 10/26/2026 | $294.56 | $418.06 |
| 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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MTUM | 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 10/27/2026 at 6:35 PM
Live
Closed
MTUM | IWB | |
|---|---|---|
| Last price | $299.55 | $420.12 |
| 1D performance | +1.69% | +0.49% |
| AuM | $18.40 B | $48.70 B |
| E/R | 0.15% | 0.15% |
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Exposure
Countries
MTUM
USA
96.25%
Other
3.75%
IWB
USA
97.62%
Other
2.38%
Sectors
MTUM
Technology
55.32%
Industrials
10.34%
Healthcare
9.39%
Energy
8.94%
Finance
7.97%
Other
8.04%
IWB
Technology
42.97%
Finance
14.31%
Healthcare
9.34%
Consumer Non-Cycl.
8.59%
Industrials
8.08%
Other
16.72%
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Diversification
MTUM
Total weight of top 15 holdings out of 15
45.95%
IWB
Total weight of top 15 holdings out of 15
40.83%
Top 15 holdings
Data as of August 31, 2026
MTUM
Micron Technology, Inc.
5.15%
Advanced Micro Devices, Inc.
5.08%
Intel Corp.
3.73%
Cisco Systems, Inc.
3.61%
Johnson & Johnson
3.40%
Applied Materials, Inc.
2.92%
Sandisk Corp.
2.85%
Alphabet, Inc.
2.77%
Palo Alto Networks, Inc.
2.74%
ExxonMobil Holdings Corp.
2.64%
Lam Research Corp.
2.36%
Seagate Technology Holdings Plc
2.28%
Alphabet, Inc.
2.18%
Caterpillar, Inc.
2.14%
UnitedHealth Group, Inc.
2.10%
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%
Frequently asked questions about MTUM and IWB
How have the MTUM and IWB ETFs performed in 2026?
As of October 26, 2026, MTUM is up 18.2% year-to-date (YTD), while IWB has returned 12.73%. That puts MTUM better performer ahead so far this year.
Which ETF is attracting more investor money: MTUM or IWB?
Year-to-date, the MTUM ETF saw -$6.31B in flows, compared to -$2.80B for IWB.
Which ETF is more volatile: MTUM or IWB?
Over the past year, MTUM had a volatility of 27.44%, while IWB experienced 12.86%.
Which ETF is bigger: MTUM or IWB?
As of October 26, 2026, MTUM holds $18.40 B in assets under management (AUM), while IWB manages $48.70 B.
What sectors do the MTUM and IWB ETFs invest in?
MTUM leans toward sectors like Technology, Industrials and Healthcare. Meanwhile, IWB focuses on Technology, Finance and Healthcare.
What are the top holdings of the MTUM ETF and IWB ETF?
MTUM top holdings include Micron Technology, Inc., Advanced Micro Devices, Inc. and Intel Corp.. IWB holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: MTUM or IWB?
MTUM holds 126 securities with 45.95% of its assets in the top 15. IWB has 1018 securities and a top 15 weight of 40.83%.
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