New York, July 28, 2026 – The VanEck Semiconductor ETF (SMH) fell 3.5% to $529.23 in Tuesday trading, a more moderate decline than the iShares Semiconductor ETF (SOXX), which dropped 4.8%. The divergence highlights how concentrated holdings in SMH, particularly a large stake in Nvidia (NVDA), helped cushion the broader chip downturn.
According to issuer data through Monday, SMH has gained 52.2% year-to-date, while SOXX has surged 71.5%. That leaves SMH trailing by 19.3 percentage points, a gap that has widened as the market shifts focus from semiconductor leaders to cyclical segments.
Weighting Differences Drive Relative Performance
Nvidia's 20.62% weighting in SMH—compared to just 8.56% in SOXX—provided a key buffer on Tuesday as Nvidia shares rose 0.4%. In contrast, AMD (AMD) fell 7.4% and Micron Technology (MU) lost 9.5%. Applied Materials (AMAT) dropped 8.4%.
A preliminary analysis suggests that weight differences in Nvidia, AMD, and Micron accounted for roughly 0.56 percentage point of SMH's relative outperformance, nearly half of Tuesday's performance gap. The method uses portfolio weights from the prior close and real-time price changes, excluding trading costs and intraday weight shifts.
Concentration and Technical Levels
SMH's guidelines allow high concentration, with a 20% cap on individual holdings at each rebalance. As of Monday, Nvidia's weighting was at that maximum. The top five holdings represent 47.4% of assets, and the top ten account for 71%.
The ETF briefly touched $518.40, entering the $510–$520 support zone noted by Seeking Alpha, before rebounding above $529. It remains roughly 21% below its 52-week high of $671.83, extending the pullback highlighted in Monday's Trefis analysis.
Historical data offers some perspective: SMH has experienced declines of 10% or more 15 times since 2005, with 13 of those instances followed by gains within the next year. The median subsequent return was 21%, though buyers faced a median further drop of 12% before recovery.
Broader Market Context
Global chip markets continued their slide Tuesday amid investor concerns about Chinese competition and the sustainability of AI-related spending. South Korea's Kospi index fell 10.8%. Dorian Carrell, head of multi-asset income at Schroders (SDR), noted, “It’s healthy that the market’s questioning these things.”
Risks remain two-sided. A decisive break below $510 could accelerate selling pressure, while a recovery in memory stocks might shift momentum back toward SOXX. The range of investor options is narrower than fund names suggest: SMH offers concentrated exposure to a single leader, while SOXX provides broader diversification across the semiconductor cycle.
