Generated August 29, 2026.
Figures quoted in this analysis are from its generation date and may lag the live snapshot table above, which always shows the latest data.
Overview
IYW and VGT are both large technology-focused ETFs tracking different slices of the U.S. information technology sector. IYW uses the Dow Jones U.S. Technology Capped Index, which tilts toward larger, more mature tech names and applies a weight cap to limit concentration. VGT tracks the MSCI US Investable Market Index for information technology, which includes large-, mid-, and small-cap tech stocks with broader sector coverage (software, hardware, semiconductors). The key distinction is breadth: IYW's capped approach results in a narrower, more concentrated holdings list, while VGT's MSCI-based approach spans a wider range of company sizes and sub-sectors.
How they differ
The most significant difference is index construction and portfolio breadth. IYW's capping mechanism constrains the weight of individual holdings to limit concentration risk, typically resulting in fewer top holdings and a tighter cluster of names. VGT covers large-, mid-, and small-cap tech stocks without a weight cap, giving it exposure to smaller players and a broader opportunity set across software, hardware, and semiconductors. VGT also offers a higher distribution rate at 0.46% compared to IYW's 0.11%, though both are modest relative to the tech sector's focus on capital appreciation rather than income.
VGT is substantially larger, with $146B in AUM versus IYW's $24.7B. Both have identical beta at 1.47, reflecting similar volatility relative to the broader market, but VGT's index exposure includes a derivative overlay, adding a structural layer that IYW's straightforward capped-index approach does not employ.
Who each is best for
IYW: Investors who want concentrated exposure to large-cap, mature technology companies and are comfortable with a tighter, more defined holdings list. The capped structure appeals to those seeking to avoid outsized positions in mega-cap names.
VGT: Investors seeking broader exposure across the full tech stack—large, mid, and small companies—and who prioritize lower costs. Fits allocations where minimizing expense drag is important and exposure to smaller, emerging tech firms is desired.
Key risks to know
- Concentration within tech sector: Both ETFs carry the systemic risk of being entirely exposed to information technology. A pullback in investor appetite for tech stocks, rising interest rates, or sector-wide valuation compression will affect both similarly, despite their structural differences.
- Index-specific concentration differences: IYW's capping mechanism constrains individual position sizes but may still concentrate risk in a smaller number of holdings than VGT. Conversely, VGT's broader scope across market caps and sub-sectors may expose investors to smaller, less liquid tech names with higher idiosyncratic volatility.
- Derivative overlay consideration for VGT: VGT's noted derivative overlay adds a structural layer not present in IYW. While overlays can enhance returns or manage risk, they introduce counterparty and basis risk that warrant understanding before holding.
- Growth-dependent valuations: Both funds hold companies whose valuations depend heavily on future earnings growth. Rising discount rates or recession fears can trigger sharp drawdowns in either fund, independent of fundamental business performance. If you prefer lower fees, broader size and sector diversity, and exposure beyond the largest names, VGT's MSCI framework and 0.09% expense ratio offer meaningful advantages. Both carry full tech-sector risk; past performance doesn't predict future results.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.