Generated August 29, 2026.
Figures quoted in this analysis are from its generation date and may lag the live snapshot table above, which always shows the latest data.
Overview
IYW and XLK are both large U.S. technology equity ETFs tracking distinct tech-heavy benchmarks. The key difference: IYW follows the Dow Jones U.S. Technology Capped Index (a broader tech universe with position caps), while XLK tracks the Technology Select Sector Index (the tech companies within the S&P 500 only). This means XLK has exposure to the largest, most-liquid tech names; IYW casts a wider net that includes smaller and mid-cap tech firms.
How they differ
IYW's index is roughly twice as broad as XLK's, since the Dow Jones universe includes tech companies outside the S&P 500's top 500. XLK is therefore more concentrated in mega-cap names like Apple, Microsoft, Nvidia, and Broadcom—the companies that dominate the S&P 500's technology sector weighting. IYW, by contrast, holds a larger roster of smaller and mid-cap tech firms alongside those giants.
In terms of yield and cost: XLK offers a higher distribution rate of 0.49% versus IYW's 0.11%, though both pay quarterly. XLK's expense ratio is also significantly lower at 0.08% compared to IYW's 0.37%. Both ETFs share identical beta of 1.47, indicating similar systematic risk relative to the broad market. XLK is far larger, with $120B in AUM versus IYW's $24.7B.
Who each is best for
IYW: Fits investors seeking broader exposure to the technology sector beyond the S&P 500's 500 largest names—those who want to capture growth opportunities among smaller and mid-cap tech firms alongside the mega-cap leaders.
XLK: Designed for investors who want pure-play exposure to the largest U.S. technology companies and prefer lower costs and higher income yield; works well as a core tech holding in a diversified equity allocation.
Key risks to know
- Sector concentration: Both ETFs are 100% technology-weighted, so their performance is entirely dependent on how the tech sector performs relative to the broader economy. A tech downturn hits both equally hard.
- Growth-stock sensitivity: Tech stocks typically have high valuations and low yields relative to other sectors. Both funds are vulnerable to rising interest rates and rotation away from growth stocks into value or dividend-paying sectors.
- Index overlap: IYW and XLK's underlying holdings likely overlap significantly, particularly at the mega-cap end (Apple, Microsoft, Nvidia). Holding both together provides concentrated rather than diversified exposure to the same set of dominant firms.
- Small-cap volatility in IYW: IYW's inclusion of smaller tech names outside the S&P 500 adds volatility compared to XLK's mega-cap focus, even though both report the same beta.
Bottom line
If you want lower fees and exposure to the largest tech companies, XLK's 0.08% expense ratio and $120B in assets create a highly liquid, low-cost core holding. If you prefer a broader tech roster that reaches beyond the S&P 500's top 500, IYW offers that diversification—though at a higher cost. Both carry identical systematic risk; the choice hinges on breadth of exposure and cost tolerance. Past performance does not predict future results.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.
