SMH vs SOXX: how much do they overlap?
VanEck Semiconductor ETF (SMH) · iShares Semiconductor ETF (SOXX)
overlap by weight · 23 shared holdings
SMH: 25 holdings (as of 2026-03-31) · SOXX: 30 holdings (as of 2026-03-31)
High overlap
What this means
SMH and SOXX are largely the same portfolio. Holding both adds little diversification — most dollars end up in the same underlying stocks.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.
Top shared holdings
| Company | Ticker | in SMH | in SOXX |
|---|---|---|---|
| NVIDIA Corp | NVDA | 19.64% | 8.4% |
| Broadcom Inc | AVGO | 7.79% | 8.27% |
| Advanced Micro Devices Inc | AMD | 4.68% | 6.47% |
| Applied Materials Inc | AMAT | 4.59% | 5.84% |
| Micron Technology Inc | MU | 4.23% | 6.99% |
| Intel Corp | INTC | 4.34% | 4.13% |
| KLA Corp | KLAC | 4.74% | 4.12% |
| Texas Instruments Inc | TXN | 4.61% | 3.91% |
| Lam Research Corp | LRCX | 4.6% | 3.9% |
| QUALCOMM Inc | QCOM | 4.09% | 3.86% |
FAQ
How much do SMH and SOXX overlap?
SMH and SOXX have a 70.2% overlap by weight, sharing 23 holdings (out of 25 in SMH and 30 in SOXX), based on official issuer holdings as of 2026-03-31.
What does 70.2% overlap mean?
SMH and SOXX are largely the same portfolio. Holding both adds little diversification — most dollars end up in the same underlying stocks.
Which stocks do SMH and SOXX both hold?
The largest shared positions are NVIDIA Corp, Broadcom Inc, Advanced Micro Devices Inc, Applied Materials Inc, Micron Technology Inc. The full list of top shared holdings with weights in each fund is shown on this page.