Data as of . Every figure is the themes desk's own, on published data.
SOXX vs XSD
36% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, SOXX and XSD hold 36% of their money in the same securities at the same weight.
| Holding | SOXX | XSD |
|---|---|---|
| Astera Labs, Inc. | 3.02% | 3.08% |
| Intel Corp. | 6.34% | 2.75% |
| Micron Technology, Inc. | 8.55% | 2.73% |
| Advanced Micro Devices, Inc. | 8.10% | 2.71% |
| Marvell Technology, Inc. | 5.23% | 2.49% |
| Texas Instruments, Inc. | 3.51% | 2.22% |
| Microchip Technology, Inc. | 2.17% | 2.19% |
| Broadcom, Inc. | 6.08% | 2.13% |
| Analog Devices, Inc. | 3.45% | 2.13% |
| NVIDIA Corp. | 6.82% | 2.10% |
| NXP Semiconductors NV | 3.15% | 2.07% |
| QUALCOMM, Inc. | 2.65% | 2.04% |
| Only in SOXX | Only in XSD |
|---|---|
| Applied Materials, Inc. 5.78% | MaxLinear Inc 3.75% |
| KLA Corp. 5.65% | Allegro MicroSystems Inc 3.30% |
| Lam Research Corp. 4.90% | Ambarella Inc 2.89% |
| Taiwan Semiconductor Manufacturing Co. L 4.27% | Penguin Solutions Inc 2.74% |
| Teradyne, Inc. 3.37% | T1 Energy Inc 2.59% |
| ASML Holding NV 2.31% | Impinj Inc 2.45% |
| Credo Technology Group Holding Ltd. 2.01% | Lattice Semiconductor Corp 2.44% |
| Entegris, Inc. 1.22% | Credo Technology Group Holding Ltd 2.42% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings as filed for Jun 30, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| SOXX | XSD | SOXX | XSD | SOXX | XSD | |
| 3 months | −3.6% | −14.0% | −8.3 pts | −18.7 pts | −5.7 pts | −16.1 pts |
| 6 months | +60.9% | +52.8% | +45.7 pts | +37.7 pts | +40.7 pts | +32.7 pts |
| 1 year | +113.9% | +71.8% | +93.9 pts | +51.8 pts | +88.3 pts | +46.2 pts |
| 3 years | +210.8% | +133.1% | +132.9 pts | +55.2 pts | +117.4 pts | +39.7 pts |
| Since launch | +3635.3% | +2140.8% | +2823.9 pts | +1329.5 pts | +1951.2 pts | +456.8 pts |
| SOXX iShares Semiconductor ETF | XSD State Street(R) SPDR(R) S&P(R) Semiconductor ETF | |
|---|---|---|
| Issuer | iShares | State Street |
| Theme | Semiconductors | Semiconductors |
| In the S&P 500 | 80.8% | 33.4% |
| Active share vs the S&P 500 | 81.6% | 89.4% |
| In the Nasdaq-100 | 78.4% | 27.5% |
| Holdings | 30 | 47 |
| Top ten, share of the fund | 61.7% | 29.0% |
| Expense ratio | not published | 0.35% |
| Fee for the differing part | not published | 0.39% |
| Total return, 1 year | +113.9% | +71.8% |
| vs the S&P 500 | +93.9 pts | +51.8 pts |
| vs the Nasdaq-100 | +88.3 pts | +46.2 pts |
| Below its high | −20.6% | −24.3% |
SOXX in plain words
By weight, 81% of SOXX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 82%. The top ten holdings are 62% of the fund across 30 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +113.9% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 93.9 pts. It sits 20.6% below its all-time high of Jun 22, 2026.
XSD in plain words
By weight, 33% of XSD's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 89%. The top ten holdings are 29% of the fund across 47 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +71.8% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 51.8 pts. It sits 24.3% below its all-time high of Jun 3, 2026.
Questions people ask
- Do SOXX and XSD hold the same stocks?
- By their latest filings, 36% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, SOXX or XSD?
- SOXX has 81% of its weight in S&P 500 names and XSD has 33%, so XSD differs more from the index.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, SOXX against XSD, data as of Sep 4, 2026. https://etfiq.com/compare/themes/SOXX-XSD.html Free to use with attribution; the underlying files are at Open data.