Generated October 17, 2026.
Overview
IYW and VGT are both technology sector ETFs tracking cap-weighted U.S. technology indices, but they differ materially in scope and fee structure. IYW follows the Dow Jones U.S. Technology Capped Index, which tilts toward large-cap mega-cap names and applies a concentration cap. VGT tracks the MSCI US Investable Market Information Technology 25/50 Index, which includes large, mid-size, and small companies across the entire tech landscape—software, hardware, semiconductors—without a single-stock cap. The difference shows up in cost: VGT charges 0.09% against IYW's 0.37%, and VGT holds roughly six times as much capital at $147B versus $24.4B.
How they differ
The biggest distinction is breadth and concentration. IYW's capped index explicitly limits exposure to any single holding, making it a more balanced mega-cap play; VGT's 25/50 constraint means the top 25 stocks can represent no more than 50% of the fund, but it includes the full stack of technology—from Apple and Microsoft down through mid and small-cap semiconductor and software names. That breadth difference translates to materially different beta exposure: both sit near 1.46 and 1.45, so correlation to the broader market is similar.
Second, the fee gap is substantial: 0.09% versus 0.37%, a difference of 0.28% annually. Over decades, that compounds. VGT's much larger asset base ($147B compared to $24.4B) likely supports its lower fee.
Third, distribution yield is modest in both cases—0.08% for IYW and 0.49% for VGT—reflecting the low-payout nature of growth-oriented tech stocks. Both distribute quarterly.
Who each is best for
- IYW: Fits investors who want concentrated exposure to the very largest technology names and prefer a simpler, narrower mandate that limits single-stock risk through explicit capping.
- VGT: Fits investors seeking broader technology sector exposure across market caps and subsectors (software, hardware, semiconductors), who view the fee advantage as meaningful over a long holding period, and who have the capital to benefit from VGT's scale.
Key risks to know
- Sector concentration: Both funds are entirely technology. A sustained slowdown in tech earnings, regulatory pressures, or rotation away from the sector affects both equally. Holdings likely overlap significantly, so diversification between them adds limited protection.
- Valuation sensitivity: Technology stocks, especially mega-cap names, trade on growth and margin expectations. Rising bond yields or recession concerns can pressure both funds sharply, though the breadth in VGT (including smaller, less expensive tech names) may offer modest insulation.
- Beta and volatility: Both funds report beta near 1.45, meaning they move roughly 45% more than the broader market. In a sharp downturn, expect losses that exceed S&P 500 losses by a meaningful margin.
- Mega-cap dependency in IYW: The capped structure reduces but does not eliminate concentration in the largest names. A sharp drawdown in Apple, Microsoft, or Nvidia—which together likely represent a significant share of the index—would pressure the fund materially.
Bottom line
If you prioritize simplicity and concentration in mega-cap technology, IYW's capped design provides a clean, familiar exposure. If you value lower fees, broader sector coverage, and the ability to participate in mid and small-cap tech innovation alongside the giants, VGT's scope and 0.09% fee offer a compelling alternative. Both are volatile, growth-oriented holdings with similar market sensitivity; 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.
