IYWvsIGMETF Comparison
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iShares U.S. Technology ETF (IYW) belongs to the US Info. Technology segment. iShares Expanded Tech Sector ETF (IGM) is part of the Uncategorized Equities segment. Both ETFs have the same top 3 sector exposures: Technology, Business Services and Finance. Both IYW and IGM have the same Total Expense Ratio (TER) of 0.37%. IYW is up 28.46% year-to-date (YTD) with -$1.55B in YTD flows. IGM performs worse with 25.44% YTD performance, and +$41M in YTD flows. Run a side-by-side ETF comparison of IYW and IGM 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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IYW vs IGM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYW IGM | -2.74%-3.52% | +9.06%+6.81% | +28.46%+25.44% | +23.75%+21.27% | +153.01%+165.95% | +139.89%+132.71% |
| Flows | IYW IGM | -$746M+$91M | -$432M+$443M | -$1.55B+$41M | -$1.77B-$604M | -$3.39B+$2.03B | -$1.50B+$1.92B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYW IGM | +22.70%+24.21% | +24.64%+25.40% | +24.76%+24.70% | +26.85%+26.72% |
| Max drawdown | IYW IGM | -8.67%-9.99% | -17.72%-16.33% | -26.59%-26.48% | -39.42%-40.63% |
| Max drawdown duration | IYW IGM | 21d21d | 174d168d | 125d125d | 690d757d |
Trading data
IYW | IGM | |
Last sale 10/28/2026 at 1:30 PM | $257.58 | $163.41 |
| Previous close 10/27/2026 | $256.26 | $161.86 |
| Consolidated volume 10/27/2026 | ||
| 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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IYW | IGM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/28/2026 at 1:30 PM
Live
Closed
IYW | IGM | |
|---|---|---|
| Last price | $257.58 | $163.41 |
| 1D performance | +0.52% | +0.96% |
| AuM | $24.98 B | $11.03 B |
| E/R | 0.37% | 0.37% |
Characteristics
IYW | IGM | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | iShares |
| Benchmark | Russell 1000 Technology RIC 22.5/45 Capped Index | S&P North American Expanded Technology Sector Index |
| N° of holdings | 149 | 293 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 15, 2000 | March 13, 2001 |
| ESG | No | No |
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Exposure
Countries
IYW
USA
99.67%
Other
0.33%
IGM
USA
96.78%
Other
3.22%
Sectors
IYW
Technology
95.09%
Other
4.91%
IGM
Technology
95.14%
Other
4.86%
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Diversification
IYW
Total weight of top 15 holdings out of 15
72.59%
IGM
Total weight of top 15 holdings out of 15
66.33%
Top 15 holdings
Data as of August 31, 2026
IYW
NVIDIA Corp.
14.21%
Apple, Inc.
12.77%
Microsoft Corp.
11.04%
Alphabet, Inc.
5.57%
Alphabet, Inc.
4.50%
Broadcom Inc.
4.16%
Meta Platforms, Inc.
3.69%
Micron Technology, Inc.
3.28%
Advanced Micro Devices, Inc.
2.86%
Palantir Technologies, Inc.
2.04%
Intel Corp.
2.02%
Lam Research Corp.
1.86%
Applied Materials, Inc.
1.79%
Palo Alto Networks, Inc.
1.52%
Oracle Corp.
1.26%
IGM
Microsoft Corp.
10.36%
NVIDIA Corp.
8.94%
Apple, Inc.
8.82%
Broadcom Inc.
7.58%
Micron Technology, Inc.
4.62%
Meta Platforms, Inc.
4.31%
Alphabet, Inc.
4.29%
Alphabet, Inc.
3.42%
Advanced Micro Devices, Inc.
3.40%
Intel Corp.
1.96%
Cisco Systems, Inc.
1.94%
Palantir Technologies, Inc.
1.90%
Lam Research Corp.
1.67%
Applied Materials, Inc.
1.61%
Netflix, Inc.
1.51%
Frequently asked questions about IYW and IGM
How have the IYW and IGM ETFs performed in 2026?
As of October 27, 2026, IYW is up 28.46% year-to-date (YTD), while IGM has returned 25.44%. That puts IYW better performer ahead so far this year.
Which ETF is attracting more investor money: IYW or IGM?
Year-to-date, the IYW ETF saw -$1.55B in flows, compared to +$41M for IGM.
Which ETF is more volatile: IYW or IGM?
Over the past year, IYW had a volatility of 24.64%, while IGM experienced 25.4%.
Which ETF is bigger: IYW or IGM?
As of October 27, 2026, IYW holds $24.98 B in assets under management (AUM), while IGM manages $11.03 B.
What sectors do the IYW and IGM ETFs invest in?
IYW leans toward sectors like Technology. Meanwhile, IGM focuses on Technology.
What are the top holdings of the IYW ETF and IGM ETF?
IYW top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. IGM holds in its top three: Microsoft Corp., NVIDIA Corp. and Apple, Inc..
Which ETF is more diversified: IYW or IGM?
IYW holds 150 securities with 72.59% of its assets in the top 15. IGM has 295 securities and a top 15 weight of 66.33%.
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