SOXX vs XSD ETF holdings comparison
iShares Semiconductor ETF (SOXX) · SPDR S&P Semiconductor ETF (XSD)
SOXX and XSD overlap by 38.4% by portfolio weight. The remaining 61.6 percentage points are not counted as shared holdings weight by this calculation. They share 18 stocks; the largest shared position is NVIDIA Corp. (NVDA), contributing 2.90% to the overlap.
The holdings dates differ. This can slightly understate overlap for funds tracking similar indexes.
What this means
SOXX and XSD share a material portion of their portfolio weight in the same underlying stocks. OverlapCheck labels this "moderate 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 SOXX | in XSD |
|---|---|---|---|
| NVIDIA Corp. | NVDA | 6.81% | 2.90% |
| Advanced Micro Devices, Inc. | AMD | 8.09% | 2.88% |
| Micron Technology, Inc. | MU | 8.54% | 2.85% |
| Broadcom, Inc. | AVGO | 6.08% | 2.61% |
| Analog Devices, Inc. | ADI | 3.45% | 2.59% |
| Marvell Technology, Inc. | MRVL | 5.22% | 2.59% |
| Texas Instruments, Inc. | TXN | 3.50% | 2.51% |
| Monolithic Power Systems, Inc. | MPWR | 2.93% | 2.41% |
| Astera Labs, Inc. | ALAB | 3.02% | 2.32% |
| QUALCOMM, Inc. | QCOM | 2.65% | 2.29% |
Holdings only in SOXX or XSD
SOXX has 12 fund-only positions representing approximately 32.0 percentage points of reported exposure; XSD has 28 fund-only positions representing approximately 56.6 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 SOXX
| Company | Ticker | Weight |
|---|---|---|
| Applied Materials, Inc. | AMAT | 5.77% |
| KLA Corp. | KLAC | 5.64% |
| Lam Research Corp. | LRCX | 4.89% |
| Taiwan Semiconductor Manufacturing Co. Ltd. | TSM | 4.26% |
| Teradyne, Inc. | TER | 3.36% |
| ASML Holding NV | ASML | 2.30% |
| Entegris, Inc. | ENTG | 1.22% |
| ASE Technology Holding Co. Ltd. | ASX | 1.22% |
| United Microelectronics Corp. | UMC | 1.02% |
| ARM Holdings plc | ARM | 0.79% |
Largest positions only in XSD
| Company | Ticker | Weight |
|---|---|---|
| Impinj Inc | PI | 3.69% |
| Ambarella Inc | AMBA | 3.08% |
| Universal Display Corp | OLED | 2.78% |
| Silicon Laboratories Inc | SLAB | 2.73% |
| Qorvo Inc | QRVO | 2.70% |
| Diodes Inc | DIOD | 2.52% |
| Maxlinear Inc | MXL | 2.51% |
| Sitime Corp | SITM | 2.43% |
| Lattice Semiconductor Corp | LSCC | 2.39% |
| Rigetti Computing Inc | RGTI | 2.37% |
FAQ
How much do SOXX and XSD overlap?
SOXX and XSD have 38.4% overlap by weight, sharing 18 equity positions (out of 30 in SOXX and 46 in XSD). The official holdings files used are dated 2026-06-30 for SOXX and 2026-08-25 for XSD.
What does 38.4% overlap mean?
SOXX and XSD share a material portion of their portfolio weight in the same underlying stocks. OverlapCheck labels this "moderate 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 SOXX and XSD both hold?
The largest shared positions are NVIDIA Corp., Advanced Micro Devices, Inc., Micron Technology, Inc., Broadcom, Inc., Analog Devices, Inc.. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between SOXX and XSD?
SOXX has 12 positions not found in XSD, while XSD has 28 positions not found in SOXX. The largest fund-only positions and their weights are shown on this page.