etf overlap · heavy overlap
SMH vs SOXX overlap
67% of SMH and SOXX is the same money, spread over 22 companies both funds hold.
Holdings as of September 24, 2026 · source: VanEck (SMH), iShares (SOXX)
- same money
- same companies, extra weight
- only in this fund
The companies you would own twice
What only one of them gives you
Where each fund puts its money
SMH and SOXX: what people ask
How much do SMH and SOXX overlap?
67% by weight, as of September 24, 2026: heavy overlap. 22 companies appear in both funds; they make up 92% of SMH and 89% of SOXX.
Which stocks do SMH and SOXX both hold?
The largest shared positions are NVDA, AMD, AVGO, INTC and MU. Ranked by the smaller of the two weights, which is the part you would own twice.
Is it redundant to hold both SMH and SOXX?
Out of every $100 split evenly between them, about $67 (half in each fund) buys identical positions. The rest is exposure only one of the two funds gives you: 3 names only in SMH, 8 only in SOXX. Whether that duplication is a problem depends on the mix you want; this is a description, not advice.
How is ETF overlap calculated here?
For every company held by both funds we take the smaller of its two weights and add them up. The weights come from the full holdings files VanEck and iShares publish, not a top-10 sample, and companies are matched by their ISIN so share classes stay apart.
Weights come from each issuer's published holdings file and are matched company by company on their ISIN. Cash, futures and currency positions are left out. This page describes what the funds hold; it is not investment advice.