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. IYW's top 3 sector exposures are Technology, Business Services and Non-Energy Materials. In contrast, IGM's top sector exposures are Technology, Business Services and Finance. Both IYW and IGM have the same Total Expense Ratio (TER) of 0.37%. IYW is up 25.88% year-to-date (YTD) with -$1.03B in YTD flows. IGM performs worse with 24.38% YTD performance, and -$323M 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 09/14/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYW IGM | -1.68%-2.50% | -1.08%-2.80% | +25.88%+24.38% | +31.90%+29.58% | +129.85%+142.20% | +139.17%+131.16% |
| Flows | IYW IGM | -$297M-$15M | +$95M-$13M | -$1.03B-$323M | -$5.12B-$977M | -$2.02B+$1.68B | -$932M+$1.58B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYW IGM | +25.73%+26.59% | +24.52%+25.03% | +24.72%+24.62% | +26.81%+26.63% |
| Max drawdown | IYW IGM | -10.48%-11.51% | -17.72%-16.33% | -26.59%-26.48% | -39.42%-40.63% |
| Max drawdown duration | IYW IGM | 52d58d | 174d168d | 125d125d | 690d757d |
Trading data
IYW | IGM | |
Last sale 9/15/2026 at 5:47 PM | $250.07 | $159.72 |
| Previous close 09/14/2026 | $251.10 | $160.48 |
| Consolidated volume 09/14/2026 | ||
| 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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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 9/15/2026 at 5:47 PM
Live
Closed
IYW | IGM | |
|---|---|---|
| Last price | $250.07 | $159.72 |
| 1D performance | -0.41% | -0.48% |
| AuM | $24.96 B | $10.59 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 | 294 |
| 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
99.7%
Other
0.3%
IGM
USA
96.81%
Other
3.19%
Sectors
IYW
Technology
95.94%
Other
4.06%
IGM
Technology
95.8%
Other
4.2%
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Diversification
IYW
Total weight of top 15 holdings out of 15
73.46%
IGM
Total weight of top 15 holdings out of 15
66.96%
Top 15 holdings
Data as of July 31, 2026
IYW
Apple, Inc.
14.27%
NVIDIA Corp.
13.33%
Microsoft Corp.
10.42%
Alphabet, Inc.
5.82%
Alphabet, Inc.
4.75%
Broadcom Inc.
4.63%
Meta Platforms, Inc.
3.69%
Micron Technology, Inc.
3.17%
Advanced Micro Devices, Inc.
3.13%
Intel Corp.
2.09%
Applied Materials, Inc.
2.08%
Lam Research Corp.
1.95%
Palantir Technologies, Inc.
1.42%
Palo Alto Networks, Inc.
1.38%
Texas Instruments Incorporated
1.33%
IGM
Apple, Inc.
9.76%
Microsoft Corp.
9.69%
Broadcom Inc.
8.35%
NVIDIA Corp.
8.31%
Alphabet, Inc.
4.44%
Micron Technology, Inc.
4.43%
Meta Platforms, Inc.
4.27%
Advanced Micro Devices, Inc.
3.69%
Alphabet, Inc.
3.58%
Cisco Systems, Inc.
2.09%
Intel Corp.
2.01%
Applied Materials, Inc.
1.86%
Lam Research Corp.
1.74%
Netflix, Inc.
1.44%
Palantir Technologies, Inc.
1.31%
Frequently asked questions about IYW and IGM
How have the IYW and IGM ETFs performed in 2026?
As of September 14, 2026, IYW is up 25.88% year-to-date (YTD), while IGM has returned 24.38%. 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 -$1.03B in flows, compared to -$323M for IGM.
Which ETF is more volatile: IYW or IGM?
Over the past year, IYW had a volatility of 24.52%, while IGM experienced 25.03%.
Which ETF is bigger: IYW or IGM?
As of September 14, 2026, IYW holds $24.96 B in assets under management (AUM), while IGM manages $10.59 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 Apple, Inc., NVIDIA Corp. and Microsoft Corp.. IGM holds in its top three: Apple, Inc., Microsoft Corp. and Broadcom Inc..
Which ETF is more diversified: IYW or IGM?
IYW holds 150 securities with 73.46% of its assets in the top 15. IGM has 296 securities and a top 15 weight of 66.96%.
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