Here's Why the VanEck Semiconductor ETF Soared in the First Half of 2026 (Hint: Diversification Works in Investing)

The VanEck Semiconductor ETF (NASDAQ: SMH) soared by 82.1% successful the archetypal fractional of 2026, according to the information from S&P Global Market Intelligence. It's a fantastic performance. Still, it's not conscionable a communicative of a rising tide successful semiconductors lifting each boats. There's a batch of nuance to the sterling performance, and here's a look astatine a fewer of them to assistance investors determine what to bash successful the 2nd fractional of 2026.

The VanEck Semiconductor ETF

The passively managed ETF aims to way the show of the MarketVector U.S. Listed Semiconductor 10% Capped Screened Index (MVIS). The MVIS tracks the show of the apical 25% of U.S.-listed semiconductor manufacture stocks (including instrumentality companies), taxable to a 10% cap. The companies indispensable deduce 50% of their gross from semiconductors oregon semiconductor equipment.

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It's an absorbing attack that gives the MVIS and, successful turn, the VanEck ETF, broader-based vulnerability than a market-cap-weighted scale would. That's been a bully happening for the ETF investors this year, arsenic it means the presumption successful Nvidia is capped astatine 10% and is rebalanced each quarter.

Given that Nvidia importantly underperformed the ETF successful the archetypal half, it's a bully happening that its monolithic marketplace headdress weighting (its existent marketplace headdress is 3.7 times and 5.1 times the marketplace headdress of the apical 2 holdings successful the ETF arsenic of 30 June, namely Micron Technology and Advanced Micro Devices) is mirrored successful the MVIS, and successful crook the ETF.

What Nvidia's underperformance means to VanEck ETF investors

This information underscores immoderate of the dynamics successful the semiconductor marketplace this year, successful which instrumentality makers (the ETF holds the ones shown below) person massively outperformed.

Two investing themes for 2026

Semiconductor instrumentality companies person outperformed owed to 2 defining characteristics of the marketplace successful 2026. The archetypal is that artificial quality (AI) spending has outpaced expectations going into the year. Since AI spending is the large operator of semiconductor demand, semiconductor companies person had to ramp up their superior spending plans successful enactment with hyperscalers' AI spending.

Second, the quality of spending is apt to displacement implicit clip arsenic AI-related spending does. As antecedently discussed, Intel has massively outperformed arsenic request for cardinal processing units (CPUs) has accrued comparative to that for graphics processing units (GPUs). The erstwhile is utilized much for inference (agents moving models), portion the second is utilized for AI exemplary grooming and building. Moreover, aft the archetypal unreserved to physique retired AI infrastructure, inference spending is apt to instrumentality over.