Generated October 17, 2026.
Overview
SMH and XSD are semiconductor-focused equity ETFs that track different industry indexes and differ substantially in their underlying holdings and volatility profiles. SMH tracks the 25-stock MVIS US Listed Semiconductor 25 Index, while XSD tracks the broader S&P Semiconductor Select Industry Index. The key distinction is concentration: SMH holds a fixed 25 names, whereas XSD's composition is wider and governed by S&P's sector methodology.
How they differ
The most significant difference is index construction. SMH's 25-stock model creates higher concentration risk and a narrower competitive lens; XSD's broader S&P methodology captures more semiconductor ecosystem players, reducing single-name impact. Second, volatility differs sharply: XSD carries a 2.76 beta versus SMH's 2.0, meaning XSD amplifies market moves more than half again as much. SMH is substantially larger at $65.7B in assets compared to XSD's $2.64B, reflecting its longer track record and tighter index positioning.
Who each is best for
- SMH: Fits investors seeking a pure-play 25-stock semiconductor concentration bet with lower volatility relative to the broader chip-equipment ecosystem; suits those comfortable with a tighter, more curated exposure to large-cap memory and logic chip makers.
- XSD: Designed for investors who want wider sector participation and are comfortable accepting higher beta; appeals to those seeking exposure across semiconductor equipment, design, and manufacturing without the concentration of a fixed 25-name list.
Key risks to know
- Concentration in top holdings: SMH's 25-stock architecture means performance hinges on a smaller set of mega-cap names (likely NVIDIA, Intel, Broadcom); a downturn in the largest three to five positions will move the fund significantly.
- Higher-beta volatility in XSD: With a beta of 2.76, XSD will swing harder in both bull and bear markets than the broader market; investors should expect deeper drawdowns during semiconductor selloffs.
- Cyclical industry and inventory risk: Both funds depend on semiconductor demand and capex cycles; cyclical downturns in chip demand or customer inventory corrections can persist for quarters, pressuring valuations across both portfolios.
- Geopolitical exposure to Taiwan and China: The semiconductor supply chain concentrates production and intellectual property in Taiwan and portions of mainland China; trade tensions, sanctions, or supply-chain disruptions create tail risk for both funds.
- Narrow sector overlap: Because SMH's 25-stock filter and XSD's broader index may not hold identical names, their holdings likely overlap significantly but are not identical; verify overlap if you plan to hold both.
Bottom line
If you want a curated, large-cap semiconductor play with lower volatility and simpler index mechanics, SMH's 25-stock approach and 2.0 beta offer a tighter fit. If you value broader ecosystem exposure and can tolerate XSD's 0.76 higher beta, XSD captures more of the chip-equipment and design supply chain. Both are capital-appreciation instruments with minimal income; 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.