IYWvsXLKETF Comparison
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iShares U.S. Technology ETF (IYW) and State Street Technology Select Sector SPDR ETF (XLK) belong to the same industry segment: US Info. Technology. Both ETFs have the same top 3 sector exposures: Technology, Business Services and Non-Energy Materials. IYW is more expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.08% for XLK. IYW is up 18.76% year-to-date (YTD) with -$1.12B in YTD flows. XLK performs better with 22.33% YTD performance, and +$2.15B in YTD flows. Run a side-by-side ETF comparison of IYW and XLK 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 XLK performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 07/30/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYW XLK | -6.13%-7.80% | +8.67%+10.30% | +18.76%+22.33% | +30.77%+33.44% | +110.09%+100.94% | +133.17%+137.82% |
| Flows | IYW XLK | -$401M+$1.29B | +$157M+$1.30B | -$1.12B+$2.15B | -$4.93B+$2.69B | -$2.16B+$9.17B | -$600M+$9.51B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYW XLK | +30.85%+35.39% | +24.04%+25.71% | +24.67%+25.05% | +26.67%+25.91% |
| Max drawdown | IYW XLK | -12.57%-15.89% | -17.72%-15.92% | -26.59%-25.74% | -39.42%-33.57% |
| Max drawdown duration | IYW XLK | 58d58d | 174d168d | 125d113d | 690d534d |
Trading data
IYW | XLK | |
Last sale 7/31/2026 at 1:30 PM | $238.04 | $175.35 |
| Previous close 07/30/2026 | $236.96 | $175.73 |
| Consolidated volume 07/30/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of June 30, 2026
1-year trailing difference
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IYW | XLK | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 7/31/2026 at 1:30 PM
Live
Closed
IYW | XLK | |
|---|---|---|
| Last price | $238.04 | $175.35 |
| 1D performance | +0.46% | -0.22% |
| AuM | $23.47 B | $115.56 B |
| E/R | 0.38% | 0.08% |
Characteristics
IYW | XLK | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | Russell 1000 Technology RIC 22.5/45 Capped Index | S&P Technology Select Sector Index |
| N° of holdings | 148 | 74 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 15, 2000 | December 16, 1998 |
| ESG | No | No |
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Exposure
Countries
IYW
USA
99.8%
Other
0.2%
XLK
USA
98.47%
Other
1.53%
Sectors
IYW
Technology
95.74%
Other
4.26%
XLK
Technology
95.89%
Other
4.11%
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Diversification
IYW
Total weight of top 15 holdings out of 15
71.83%
XLK
Total weight of top 15 holdings out of 15
69.09%
Top 15 holdings
Data as of June 30, 2026
IYW
NVIDIA Corp.
12.83%
Apple, Inc.
11.62%
Microsoft Corp.
8.09%
Alphabet, Inc.
5.85%
Alphabet, Inc.
4.72%
Broadcom Inc.
4.23%
Micron Technology, Inc.
3.93%
Meta Platforms, Inc.
3.62%
Advanced Micro Devices, Inc.
3.52%
Intel Corp.
3.01%
Applied Materials, Inc.
2.82%
Lam Research Corp.
2.66%
KLA Corp.
1.94%
Sandisk Corp.
1.63%
Palo Alto Networks, Inc.
1.35%
XLK
NVIDIA Corp.
12.63%
Apple, Inc.
11.08%
Microsoft Corp.
7.22%
Advanced Micro Devices, Inc.
4.71%
Micron Technology, Inc.
4.67%
Broadcom Inc.
4.66%
Intel Corp.
4.20%
Applied Materials, Inc.
3.65%
Lam Research Corp.
3.45%
Cisco Systems, Inc.
2.95%
KLA Corp.
2.51%
Sandisk Corp.
2.14%
Palo Alto Networks, Inc.
1.76%
Texas Instruments Incorporated
1.73%
Palantir Technologies, Inc.
1.71%
Frequently asked questions about IYW and XLK
How have the IYW and XLK ETFs performed in 2026?
As of July 30, 2026, IYW is up 18.76% year-to-date (YTD), while XLK has returned 22.33%. That puts XLK better performer ahead so far this year.
Which ETF is attracting more investor money: IYW or XLK?
Year-to-date, the IYW ETF saw -$1.12B in flows, compared to +$2.15B for XLK.
Which ETF is more volatile: IYW or XLK?
Over the past year, IYW had a volatility of 24.04%, while XLK experienced 25.71%.
Which ETF is bigger: IYW or XLK?
As of July 30, 2026, IYW holds $23.47 B in assets under management (AUM), while XLK manages $115.56 B.
What sectors do the IYW and XLK ETFs invest in?
IYW leans toward sectors like Technology. Meanwhile, XLK focuses on Technology.
What are the top holdings of the IYW ETF and XLK ETF?
IYW top holdings include NVIDIA Corp., Apple, Inc. and Microsoft Corp.. XLK holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: IYW or XLK?
IYW holds 149 securities with 71.83% of its assets in the top 15. XLK has 74 securities and a top 15 weight of 69.09%.
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Latest news about IYW & XLK
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December 27, 2024
XLK
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ETF Deep Dive: iShares Expanded Tech Sector ETF (IGM)
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June 17, 2024
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May 2024 U.S. Sector ETFs Inflows and Outflows Breakdown
May 22, 2024
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