Generated July 2026 from current fund data.
Overview
VGT and XLK are both tech-sector ETFs that track U.S. information technology companies, but they differ in breadth and index construction. VGT holds large-, mid-, and small-cap tech stocks across the MSCI US Investable Market Index framework, while XLK is limited to the large-cap tech constituents of the S&P 500. The result is a meaningful difference in portfolio composition and exposure intensity.
How they differ
XLK's narrower S&P 500 tech universe produces tighter concentration than VGT's broader MSCI approach—the largest difference between them. VGT's beta of 1.44 versus XLK's 1.43 reflects that marginal variation, but the real gap is in market-cap span: VGT includes mid- and small-cap tech exposure that XLK excludes, giving it higher growth potential but also greater volatility within the sector. On cost, XLK edges ahead with a 0.09% expense ratio to VGT's 0.10%, and XLK holds a $118B asset base versus VGT's $143B—both are massive, so fee pressure should remain minimal for either. Distribution yields are nearly identical: VGT at 0.47% and XLK at 0.49%, both paid quarterly.
Who each is best for
VGT: Investors seeking broad-based U.S. tech exposure that captures mid- and small-cap innovation alongside mega-cap leaders, particularly those comfortable with the added volatility that smaller holdings entail.
XLK: Investors who prefer their tech allocation anchored to S&P 500 constituents and want the most streamlined, lowest-cost entry to large-cap tech leadership.
Key risks to know
- Index concentration risk. Both funds face meaningful single-sector concentration—technology's dominance in recent years means both portfolios are heavily weighted to a handful of mega-cap names. A rotation out of tech would compress both NAVs proportionally.
- Small-cap and mid-cap beta in VGT. VGT's inclusion of mid- and small-cap tech stocks amplifies drawdown risk relative to XLK during risk-off environments. Smaller tech firms face higher funding costs and carry more execution risk when growth investors flee to safety.
- S&P 500 index lock-in with XLK. XLK's exclusive S&P 500 tech exposure means it misses promising tech companies below that threshold. If a large emerging software or semiconductor company remains private longer or trades on a different index, XLK won't capture that upside, whereas VGT may.
- Sector momentum and valuation. Both track pure-play tech, so they move in lockstep with tech sentiment. Unlike diversified broad-market funds, neither offers offset from defensive or cyclical holdings when the sector falls out of favor.
Bottom line
If you want maximum breadth in U.S. tech and accept the volatility of smaller holdings, VGT's larger asset pool and mid/small-cap coverage appeal; if you prefer a leaner, S&P 500–bound approach with a marginally lower expense ratio, XLK delivers that with equally simple quarterly distributions. Both are core-compatible vehicles for tech allocation—the choice hinges on whether you value small-cap capture or S&P 500 purity. 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.