SMH vs SOXX ETF holdings comparison
VanEck Semiconductor ETF (SMH) · iShares Semiconductor ETF (SOXX)
SMH and SOXX overlap by 73.9% by portfolio weight. The remaining 26.1 percentage points are not counted as shared holdings weight by this calculation. They share 23 stocks; the largest shared position is NVIDIA Corp (NVDA), contributing 6.81% to the overlap.
What this means
SMH and SOXX share most of their portfolio weight in the same underlying stocks. OverlapCheck labels this "high holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
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.
This comparison covers normalized equity positions represented in the dataset. Cash, derivatives, options, structured notes, and other non-equity assets are not included, so the result is not a complete comparison of every asset or risk in either fund.
Top shared holdings
| Company | Ticker | in SMH | in SOXX |
|---|---|---|---|
| NVIDIA Corp | NVDA | 17.55% | 6.81% |
| Applied Materials Inc | AMAT | 5.74% | 5.77% |
| Micron Technology Inc | MU | 5.67% | 8.54% |
| Advanced Micro Devices Inc | AMD | 5.63% | 8.09% |
| KLA Corp | KLAC | 5.57% | 5.64% |
| Broadcom Inc | AVGO | 5.28% | 6.08% |
| Intel Corp | INTC | 5.15% | 6.33% |
| Lam Research Corp | LRCX | 5.31% | 4.89% |
| Marvell Technology Inc | MRVL | 4.66% | 5.22% |
| Taiwan Semiconductor Manufacturing Co Ltd | TSM | 9.29% | 4.26% |
Holdings only in SMH or SOXX
SMH has 2 fund-only positions representing approximately 3.9 percentage points of reported exposure; SOXX has 7 fund-only positions representing approximately 8.0 percentage points of reported exposure. These are positions whose normalized security identifiers appear in one issuer file but not the other.
Largest positions only in SMH
| Company | Ticker | Weight |
|---|---|---|
| Cadence Design Systems Inc | CDNS | 2.15% |
| Synopsys Inc | SNPS | 1.79% |
Largest positions only in SOXX
| Company | Ticker | Weight |
|---|---|---|
| Credo Technology Group Holding Ltd. | CRDO | 2.01% |
| Entegris, Inc. | ENTG | 1.22% |
| ASE Technology Holding Co. Ltd. | ASX | 1.22% |
| MACOM Technology Solutions Holdings, Inc. | MTSI | 1.17% |
| United Microelectronics Corp. | UMC | 1.02% |
| Nova Ltd. | NVMI | 0.77% |
| Rambus, Inc. | RMBS | 0.64% |
FAQ
How much do SMH and SOXX overlap?
SMH and SOXX have 73.9% overlap by weight, sharing 23 equity positions (out of 25 in SMH and 30 in SOXX). The official holdings files used are dated 2026-06-30 for SMH and 2026-06-30 for SOXX.
What does 73.9% overlap mean?
SMH and SOXX share most of their portfolio weight in the same underlying stocks. OverlapCheck labels this "high holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
Which stocks do SMH and SOXX both hold?
The largest shared positions are NVIDIA Corp, Applied Materials Inc, Micron Technology Inc, Advanced Micro Devices Inc, KLA Corp. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between SMH and SOXX?
SMH has 2 positions not found in SOXX, while SOXX has 7 positions not found in SMH. The largest fund-only positions and their weights are shown on this page.