Generated October 17, 2026.
Overview
IYW and XLK are both large technology-focused ETFs tracking different indexes. IYW follows the Dow Jones U.S. Technology Capped Index and holds a broader universe of tech stocks, while XLK tracks the Technology Select Sector Index, limiting exposure to the tech constituents of the S&P 500. The funds differ most in size, fee structure, and breadth of underlying holdings.
How they differ
XLK is substantially larger, with $121B in assets versus $24.4B for IYW. IYW's capped-index methodology casts a wider net across the tech sector, while XLK's S&P 500 limitation means it holds only the largest and most liquid tech names. XLK offers a higher distribution rate of 0.48% versus 0.08%, though both remain minimal for dividend-focused investors. Beta is nearly identical at 1.46 for IYW and 1.45 for XLK, so neither fund is materially more or less volatile than the other relative to the broad market.
Who each is best for
- IYW: Fits investors seeking broader exposure to the technology sector beyond the S&P 500's largest names, including mid-cap and growth-stage tech companies, who can absorb a higher expense ratio for that wider universe.
- XLK: Designed for investors who prioritize low fees and prefer to focus on the mega-cap and large-cap technology leaders that dominate the S&P 500, or who want core technology exposure aligned with benchmark-tracking strategies.
Key risks to know
- Index-concentration risk: Both funds track tech-heavy indexes, so their holdings may overlap significantly. Tech sector weakness affects both equally. Verify overlap before considering them complementary.
- Elevated sector beta: At betas near 1.45, both funds amplify market swings relative to the broad market—a 10% market decline could translate to roughly a 14.5% drop in either fund. Technology's earnings sensitivity and valuation volatility drive this risk.
- Fee drag over time: IYW's 0.37% expense ratio exceeds XLK's 0.08% by 0.29% percentage points. On a $100,000 position held over a decade, that gap accumulates into material opportunity cost.
- Minimal income: With distribution rates below 0.50%, neither fund is suitable as an income vehicle. Investors should not expect meaningful cash returns.
Bottom line
If you prioritize low fees and broad exposure to S&P 500 technology leaders, XLK's larger asset base and lower expense ratio align with that focus. If you value access to mid-cap and smaller tech names outside the top-tier S&P 500 names, IYW's wider index may justify its higher fee. Both carry similar volatility and negligible yield; 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.