SOXX ETF Architecture: Portfolio Rules and Exposure
SOXX ETF Composition — Constituent weightings, cap-tier rebalancing constraints, and asset breakdown of the iShares Semiconductor ETF.
The plate
Latest Snapshot
- Data file updated
- 2026-11-13
- Constituents
- 30
- P/E
- 32.8
iShares Semiconductor ETF (SOXX) tracks the ICE Semiconductor Index, featuring an 8% single-stock cap and quarterly rebalancing to maintain balanced industry diversification.
What this page answers
The top 10 holdings in SOXX aggregate to 61.6% of total index capitalization. Investing in a cap-weighted index functionally concentrates the vast majority of portfolio exposure in this handful of mega-cap leaders.
iShares Semiconductor ETF (SOXX) tracks the ICE Semiconductor Index, featuring an 8% single-stock cap and quarterly rebalancing to maintain balanced industry diversification. The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.
SOXX — all 30 constituents, ranked by index weight
| # | Ticker | Company | Weight | Cumulative |
|---|---|---|---|---|
| 1 | AMD | Advanced Micro Devices | 9.25% | 9.3% |
| 2 | INTC | Intel | 8.32% | 17.6% |
| 3 | NVDA | NVIDIA | 7.95% | 25.5% |
| 4 | MU | Micron Technology | 7.64% | 33.2% |
| 5 | AVGO | Broadcom | 7.31% | 40.5% |
| 6 | MRVL | Marvell Technology | 4.53% | 45.0% |
| 7 | ADI | Analog Devices | 4.40% | 49.4% |
| 8 | TXN | Texas Instruments | 4.28% | 53.7% |
| 9 | QCOM | Qualcomm | 4.12% | 57.8% |
| 10 | KLAC | KLA Corporation | 3.84% | 61.6% |
| 11 | LRCX | Lam Research | 3.65% | 65.3% |
| 12 | AMAT | Applied Materials | 3.65% | 68.9% |
| 13 | MPWR | Monolithic Power Systems | 3.32% | 72.3% |
| 14 | NXPI | NXP Semiconductors | 3.24% | 75.5% |
| 15 | TSM | Taiwan Semiconductor Mfg. | 3.13% | 78.6% |
| 16 | TER | Teradyne | 2.91% | 81.5% |
| 17 | SKHY | SK Hynix | 2.69% | 84.2% |
| 18 | ALAB | Astera Labs | 2.28% | 86.5% |
| 19 | MCHP | Microchip Technology | 2.22% | 88.7% |
| 20 | CRDO | Credo Technology | 1.63% | 90.4% |
| 21 | ON | ON Semiconductor | 1.58% | 91.9% |
| 22 | ASML | ASML Holding | 1.50% | 93.4% |
| 23 | ENTG | Entegris | 1.23% | 94.7% |
| 24 | TSEM | Tower Semiconductor | 1.18% | 95.9% |
| 25 | MTSI | MACOM Technology Solutions | 1.06% | 96.9% |
| 26 | ASX | ASE Technology Holding | 0.93% | 97.8% |
| 27 | CBRS | Cerebras Systems | 0.65% | 98.5% |
| 28 | UMC | United Microelectronics | 0.63% | 99.1% |
| 29 | ARM | Arm Holdings | 0.44% | 99.6% |
| 30 | STM | STMicroelectronics | 0.40% | 100.0% |
Complete record (30 rows). Raw dataset: https://historyofmarket.com/api/semi/soxx.json
Data & Source
GET /api/semi/soxx.json — Canonical dataset endpoint.
Exchange closing prices · Company filings · Robert Shiller · FRED · NBER.
FAQ
Where does this data come from?
History of Market combines public market and macro datasets — exchange closing prices, company filings, Robert Shiller, FRED, NBER, and the UBS Global Investment Returns Yearbook (Dimson–Marsh–Staunton). The exact endpoint for this panel is linked below.
How often is it updated?
Daily-tier datasets refresh after the U.S. market close, with a broader weekly refresh each weekend. The timestamp shown on this page comes from the JSON payload.
Can I use the data?
Yes, for research and education with attribution to History of Market. Upstream data sources retain their own terms.