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 0.37%, versus 0.08% for XLK. IYW is up 26.98% year-to-date (YTD) with -$901M in YTD flows. XLK performs better with 30.73% YTD performance, and +$494M 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 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IYW XLK | +0.89%+0.85% | +4.10%+2.54% | +26.98%+30.73% | +34.94%+39.27% | +130.32%+120.53% | +141.08%+148.86% |
| Flows | IYW XLK | -$146M-$941M | +$136M-$1.67B | -$901M+$494M | -$5.03B+$837M | -$1.83B+$7.15B | -$817M+$8.07B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IYW XLK | +26.54%+30.42% | +24.46%+26.39% | +24.71%+25.20% | +26.81%+26.11% |
| Max drawdown | IYW XLK | -10.48%-13.33% | -17.72%-15.92% | -26.59%-25.74% | -39.42%-33.57% |
| Max drawdown duration | IYW XLK | 52d81d | 174d168d | 125d113d | 690d534d |
Trading data
IYW | XLK | |
Last sale 9/15/2026 at 5:47 PM | $250.07 | $183.83 |
| Previous close 09/11/2026 | $251.10 | $184.28 |
| Consolidated volume 09/11/2026 | ||
| 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 | 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 9/15/2026 at 5:47 PM
Live
Closed
IYW | XLK | |
|---|---|---|
| Last price | $250.07 | $183.83 |
| 1D performance | -0.41% | -0.24% |
| AuM | $25.31 B | $121.84 B |
| E/R | 0.37% | 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 | 149 | 73 |
| 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
99.7%
Other
0.3%
XLK
USA
97.06%
Other
2.94%
Sectors
IYW
Technology
95.94%
Other
4.06%
XLK
Technology
96.26%
Other
3.74%
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Diversification
IYW
Total weight of top 15 holdings out of 15
73.46%
XLK
Total weight of top 15 holdings out of 15
70.29%
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%
XLK
NVIDIA Corp.
13.91%
Apple, Inc.
12.98%
Microsoft Corp.
9.88%
Broadcom Inc.
5.27%
Advanced Micro Devices, Inc.
4.23%
Micron Technology, Inc.
3.66%
Cisco Systems, Inc.
3.20%
Intel Corp.
2.98%
Applied Materials, Inc.
2.81%
Lam Research Corp.
2.56%
Palantir Technologies, Inc.
1.97%
Palo Alto Networks, Inc.
1.88%
Texas Instruments Incorporated
1.75%
KLA Corp.
1.67%
Oracle Corp.
1.54%
Frequently asked questions about IYW and XLK
How have the IYW and XLK ETFs performed in 2026?
As of September 11, 2026, IYW is up 26.98% year-to-date (YTD), while XLK has returned 30.73%. 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 -$901M in flows, compared to +$494M for XLK.
Which ETF is more volatile: IYW or XLK?
Over the past year, IYW had a volatility of 24.46%, while XLK experienced 26.39%.
Which ETF is bigger: IYW or XLK?
As of September 11, 2026, IYW holds $25.31 B in assets under management (AUM), while XLK manages $121.84 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 Apple, Inc., NVIDIA Corp. 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 150 securities with 73.46% of its assets in the top 15. XLK has 73 securities and a top 15 weight of 70.29%.
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Latest news about IYW & XLK
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XLK
May 2024 U.S. Sector ETFs Inflows and Outflows Breakdown
May 22, 2024
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