Soitec

Soitec is a leader in the Materials segment of the semiconductor & AI supply chain, headquartered in BERNIN, FR. Its key customers include GlobalFoundries, Samsung Electronics, STMicroelectronics.

Dominant supplier of engineered SOI substrates for RF and FD-SOI chips.

Ticker
Euronext Paris: SOI
Headquarters
BERNIN, FR
Founded
1992
Revenue
$691M (FY2026) · -33.6% YoY
Net income
$-257M
Operating margin
-10.8%
Market position
leader
Value-chain segment
Substrates
Key products
RF-SOI, FD-SOI, POI substrates

About Soitec

Soitec, headquartered in France, operates in the Substrates segment of the semiconductor & AI supply chain and is positioned as a market leader there. Its key products include RF-SOI, FD-SOI, POI substrates. wafergraph maps 5 tracked customers for Soitec across the value chain. It has a supply-chain criticality score of 84/100, with 245 companies downstream of it.

Soitec is a French multinational corporation that manufactures substrates used in the manufacturing of semiconductors.

Role in the chain

Soitec is a market leader in Materials (Substrates), headquartered in France. Dominant supplier of engineered SOI substrates for RF and FD-SOI chips.

Diligence questions

  1. The dataset names 5 tracked customers for Soitec. How concentrated is demand among those names, and which of them have a documented second source in this graph?
  2. Soitec is positioned as a leader in Materials. How replaceable is this vendor on the process step you are buying?
  3. Soitec is headquartered in France. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  4. Soitec trades as Euronext Paris:SOI. What does the latest reported period say about capacity and backlog versus the graph position above?
  5. Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.

Full diligence pack for Soitec

Key products

  • RF-SOI
  • FD-SOI
  • POI substrates

Customers

More Materials companies

Compare with

Samsung Electro-Mechanics · Shengyi Technology · Unimicron · Ibiden · Shennan Circuits · Ajinomoto

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “Soitec — supply chain, financials & market position”, https://wafergraph.com/company/soitec (data as of 2026-09-05).

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