Generated August 8, 2026.
Overview
IYW and VGT are both technology-focused equity ETFs tracking U.S. tech stocks, but they differ meaningfully in scope and cost. IYW tracks the Dow Jones U.S. Technology Capped Index—a large-cap heavy portfolio with a weight cap on individual holdings—while VGT follows the MSCI US Investable Market Information Technology Index, capturing large, mid-size, and small-cap tech names. VGT is roughly six times larger by assets and charges less than a quarter of IYW's expense ratio, making it the higher-capacity play for most investors.
How they differ
The core difference is index construction and breadth. IYW's Dow Jones index applies weight caps to individual stocks, constraining concentration risk but also limiting upside from mega-cap winners. VGT's MSCI index encompasses the full technology spectrum—software, hardware, semiconductors, and equipment—across market caps, giving it exposure to smaller and mid-sized tech names. On cost, VGT dominates: its 0.10% expense ratio is one-quarter of IYW's 0.40%, a meaningful drag over decades. VGT also offers higher dividend income at 0.46% versus IYW's 0.11%, though both yields reflect tech's historical preference for reinvestment over distributions. AUM tells a similar story—VGT's $147B in assets dwarfs IYW's $25.2B, typically translating to tighter bid-ask spreads and better liquidity.
Who each is best for
IYW: Fits investors who want exposure to large-cap technology with intentional concentration limits. The capped weighting reduces dependency on mega-cap outcomes and may appeal to those uncomfortable with the outsized influence of a few names in tech indexes.
VGT: Fits investors seeking broad tech exposure across market capitalizations with minimal cost. The larger asset base and lower expense ratio make it practical for core tech allocation and recurring contributions.
Key risks to know
- Index concentration despite caps. Even with weight caps, both funds remain heavily dependent on mega-cap technology stocks. If the largest holdings underperform, both funds feel the drag, and overlap in holdings between them is likely substantial.
- Tech sector cyclicality and valuation. Technology stocks, especially growth-focused software and hardware names, are sensitive to interest-rate expectations and profit-margin pressure. Periods of rising rates or recession-fear typically hit tech harder than other sectors.
- Semiconductor and supply-chain risk. Both funds carry exposure to semiconductor manufacturers, a subsector prone to cyclical downturns and geopolitical disruption. Supply-chain shocks can create swift repricing.
- Beta amplification. Both ETFs have betas near 1.45 and 1.44, meaning they move roughly 44% more than the broad market. In down markets, that magnifies losses relative to less-concentrated sectors.
Bottom line
VGT's lower cost, larger scale, and broader market-cap inclusion make it more efficient for buy-and-hold tech exposure. IYW appeals to investors specifically seeking the risk-management feature of capped weighting, though that advantage comes at a meaningful cost premium. 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.