SMH vs SOXX: Which Is the Better Pick in 2026?

Overview

SMH and SOXX are both broad-based semiconductor ETFs tracking different US-listed semiconductor indexes. SMH holds 25 companies via the MVIS index and has nearly $41 billion in assets; SOXX tracks the ICE Semiconductor Index with $20.6 billion in AUM. The main difference isn't strategy—both are passive, low-cost plays on the semiconductor sector—but rather index composition and breadth, which creates subtle differences in concentration, volatility, and yield.

How they differ

SMH's 25-stock approach concentrates more weight on its largest holdings compared to SOXX's broader roster. This shows up in volatility: SMH has a beta of 1.54 versus SOXX's 1.65, meaning SOXX amplifies sector swings a bit more despite holding more names. On yield, SOXX edges ahead with a 0.46% distribution rate versus SMH's 0.24%, though both are modest for equity funds. Expense ratios are nearly identical (SOXX at 0.34%, SMH at 0.35%), so cost isn't a meaningful differentiator. SMH has a longer track record (inception December 2011 versus SOXX's implicit later launch) and carries double the assets, suggesting deeper liquidity.

Who each is best for

• SMH: Investors comfortable with a tighter, more concentrated semiconductor play who want maximum liquidity and a fund with a longer operating history. Works well in taxable accounts or IRAs where the low dividend yield minimizes turnover friction.

• SOXX: Investors seeking slightly broader exposure across the semiconductor supply chain and willing to accept marginally higher volatility for a modestly higher yield. Suits core equity holdings in any account type.

Key risks to know

• Concentration risk. Both funds are single-sector bets; a chip cycle downturn or trade disruption can hit hard. SMH's 25-stock structure concentrates more weight on top names than SOXX's broader index.

• Valuation sensitivity. Semiconductors are cyclical and rate-sensitive. Both funds have betas above 1.5, meaning they amplify broad market moves—especially when growth outlooks shift.

• Index-specific drift. The ICE and MVIS indexes weight holdings differently. This can cause relative performance to diverge even when the sector moves in lockstep.

• Liquidity in holdings. While the ETFs themselves are liquid, concentration in a few mega-cap companies means underlying holdings are heavily traded and prone to crowded-trade reversals.

Bottom line

If you want the tightest, most liquid semiconductor exposure with lower volatility, SMH's concentrated 25-stock structure and larger asset base offer a cleaner entry point. If you prefer fractionally broader diversification and a higher current yield, SOXX delivers both—though at the cost of slightly higher volatility. Neither fund solves the core challenge: both live or die by the sector's earnings cycle and valuation multiple. Past performance, especially during the AI boom, doesn't predict future returns.