# SOXX vs SMH · metadata, overlap, ten-year return — SOXX vs. SMH: Divergent Concentration Profiles in Semiconductor ETFs

Source: https://historyofmarket.com/semi/semi-soxx-compare/
Language: en
Data through 2026-11-12
License: data CC BY 4.0, text © History of Market — cite "History of Market (historyofmarket.com)" and link the source page. Terms: https://historyofmarket.com/license/
Section: History of Market › Semiconductors › SOXX vs. SMH: Divergent Concentration Profiles in Semiconductor ETFs

**SOXX vs SMH Methodology Comparison** — Structural divergence in weighting rules, individual stock caps, and long-term performance tracking between rival semiconductor ETFs.

Figure: Plate III.12 · Comparing two flagship semiconductor ETFs. SMH concentrates capital in 25 names with a 20% cap (led by NVDA and TSM), while SOXX holds 30 names with an 8% cap. SMH's heavy concentration in AI market leaders delivered substantial alpha during the recent expansion. · Data through 2026-11-12

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This static page is built to answer searches for SOXX vs SMH · metadata, overlap, ten-year return. It summarizes the live dataset behind the SOXX vs. SMH: Divergent Concentration Profiles in Semiconductor ETFs panel and links to the full interactive chart.

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## Data & Source

[GET /api/semi/etf-compare.json](https://historyofmarket.com/api/semi/etf-compare.json) — Canonical dataset endpoint.

Exchange closing prices · Company filings · Robert Shiller · FRED · NBER.

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## Related charts and reading

- [PHLX Semiconductor Index Constituent Breakdown by Sub-Industry](https://historyofmarket.com/semi/semi-composition/)
- [SMH ETF Holdings and Weight Distribution](https://historyofmarket.com/semi/semi-smh/)
- [The Memory Cycle: Global Oligopoly and HBM Leadership](https://historyofmarket.com/semi/semi-memory/)

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Data: https://historyofmarket.com/api/semi/etf-compare.json
Machine index: https://historyofmarket.com/llms.txt