XLK vs. VGT: Here's Why State Street's Tech ETF Has The Edge

Vanguard’s VGT is a broader, larger fund (roughly $130B AUM) holding 300+ technology-related names, while State Street’s XLK is a more concentrated, large‑cap S&P 500 tech sector ETF; XLK carries a marginally lower expense ratio (0.08% vs. 0.09%) and has outperformed VGT over the past 1 year (21.49% vs. 18.28% as of 2025‑12‑15) and five years (growth of $1,000 to $2,319 vs. $2,222), with slightly lower max drawdown and beta. Both ETFs are heavily dominated by Nvidia, Apple and Microsoft (about 45% of VGT and 38% of XLK), so performance is highly correlated to mega‑cap/AI leadership; choice largely hinges on whether an investor prefers XLK’s slight cost and recent‑return edge or VGT’s wider diversification and broader index exposure.

Analysis

State Street's XLK and Vanguard's VGT deliver near-identical exposure to U.S. mega-cap technology names but differ in breadth, cost, and recent returns. As of 2025-12-15 XLK had a 1‑year total return of 21.49% versus VGT's 18.28%, an expense ratio of 0.08% versus 0.09%, and AUM of roughly $92.8 billion compared with VGT's ~$130.0 billion; VGT holds over 320 stocks while XLK holds about 70 and targets large-cap S&P 500 tech constituents. Risk and historical performance metrics show XLK with a slightly better five‑year growth-of-$1,000 ($2,319 vs $2,222) and marginally lower max drawdown (-33.55% vs -35.08%) and beta (1.23 vs 1.26), while dividend yields are 0.5% for XLK and 0.4% for VGT. Concentration toward Nvidia, Apple and Microsoft dominates both funds (about 45% of VGT and 38% of XLK), so returns remain highly correlated to mega‑cap/AI leadership and any mean reversion or sector rotation would materially affect performance. Given those facts, the choice is primarily a tradeoff between XLK's slightly cheaper, more concentrated large‑cap exposure and VGT's broader, more diversified technology footprint with a similar fee profile.

Key Decisions for Investors

• Consider XLK if you want a marginally cheaper, large‑cap‑focused vehicle with slightly stronger recent and five‑year returns,
• Prefer VGT if you prioritize broader technology exposure and exposure to mid/small cap names despite slightly lower recent performance,
• Limit aggregate exposure to the three mega caps (NVDA, AAPL, MSFT) or use hedges if their combined ~38–45% weighting exceeds your concentration tolerance,
• Monitor AI leadership signals and volatility closely given both funds’ heavy dependence on mega‑cap/AI performance and historical max drawdowns (~-33% to -35%)