Share of the contract-chipmaking (foundry) market by revenue. TSMC holds roughly two-thirds — a dominance that compounds: more volume funds the next node, widening the lead. Samsung is a distant second; Intel Foundry is a newer external player.
All three leaders reached 2nm-class volume in 2025, but TSMC holds about two-thirds of the foundry market and spends ~$40B a year to keep it. IBM demonstrated a sub-1nm transistor in 2026 — a research result roughly five years from production.
TSMC holds ~two-thirds of the market and the yield lead; Intel is betting its comeback on 18A; Samsung trails on yield. Our read on a race where one player's dominance keeps compounding. (Our opinion, not investment advice.)
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TSMC 
Samsung Foundry 
Intel