SOXX vs SMH: Head-to-Head Comparison

Side-by-Side Comparison

Key Differences Between SOXX and SMH

SOXX (iShares Semiconductor ETF) is a semiconductors fund managed by BlackRock. SOXX tracks the ICE Semiconductor Index, investing in 30 of the largest U.S.-listed semiconductor companies that design and manufacture chips. Semiconductors power everything from smartphones to data centers to AI systems. Beginners interested in the chip industry find SOXX appealing because it provides diversified exposure to this critical technology subsector rather than betting on a single chipmaker.

SMH (VanEck Semiconductor ETF) is a semiconductors fund managed by VanEck. SMH tracks the MVIS US Listed Semiconductor 25 Index, holding the 25 largest and most liquid semiconductor companies. Unlike SOXX, SMH is market-cap-weighted, which gives more influence to the biggest chipmakers like NVIDIA and TSMC. Beginners choosing between SMH and SOXX should know that SMH is more concentrated in mega-cap chip stocks, which has driven its stronger performance during the AI boom.

The most notable differences are in fees (0.35% vs 0.35%), number of holdings (30 vs 25), and 5-year returns (28.20% vs 29.80%).

Holdings Overlap Analysis

SOXX and SMH share 67% of their top holdings. There is moderate overlap, so owning both provides some additional diversification but with diminishing returns.

Cost Comparison Over Time

If you invest $10,000 and hold for 20 years (assuming 8% annual returns):

Over 20 years, the fee difference amounts to $0 on a $10,000 investment. The cost difference is negligible — choose based on other factors.

Which One Should a Beginner Choose?

Choose SOXX if: You want investors who want targeted exposure to the semiconductor industry driving ai and tech innovation, growth-oriented traders comfortable with high volatility in exchange for higher return potential, those building a thematic portfolio around the long-term growth of chip demand. It's managed by BlackRock with an expense ratio of 0.35%.

Choose SMH if: You want investors who want maximum exposure to the biggest winners in the semiconductor space, those who prefer a cap-weighted approach that includes global chip leaders like tsmc and asml, growth investors willing to accept extreme concentration for potentially higher returns. It's managed by VanEck with an expense ratio of 0.35%.

Can You Own Both SOXX and SMH?

With 67% holdings overlap, owning both means you're essentially doubling down on the same stocks. For beginners, we recommend picking one to keep things simple. If you want more diversification, consider pairing your choice with an international ETF like VXUS or a bond ETF like BND instead.

Frequently Asked Questions