History of Market · The Chronicle of the U.S. Stock Market Semiconductors
Gathering III · leaf 5 of 12
PHLX SOX · 30 components

PHLX SOX · 30 components — What's actually inside SOX

SOX members — The thirty names: fabless, foundry, and equipment shares.

Thirty names grouped by sub-industry: fabless logic, foundry, memory, equipment, analog, RF, and the lone IDM. Foreign names are flagged by country code — semis are not a purely American sector.

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What this page answers

This static page is built to answer searches for PHLX SOX · 30 components. It summarizes the live dataset behind the What's actually inside SOX panel and links to the full interactive chart.

Thirty names grouped by sub-industry: fabless logic, foundry, memory, equipment, analog, RF, and the lone IDM. Foreign names are flagged by country code — semis are not a purely American sector. The data is refreshed by the History of Market pipeline and published as a stable JSON endpoint for research, citation, and AI-agent use.

The plate

PHLX SOX · 30 components — What's actually inside SOXEquipment & Materials9Logic / Fabless Design8Analog / Mixed-Signal7Pure-play Foundry2RF / Wireless2Memory (DRAM / NAND)1IDM (own-fab)1
Plate III.5 Thirty names grouped by sub-industry: fabless logic, foundry, memory, equipment, analog, RF, and the lone IDM. Foreign names are flagged by country code — semis are not a purely American sector. 2026-08-14

Latest Snapshot

Updated
2026-08-14

Data & Source

GET /api/semi/composition.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 on Sunday. 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.