Foundry · Advanced packaging (CoWoS)

TSMC

The world's largest semiconductor foundry. FY2025 revenue about NT$3.78T (HPC 58%). Makes chips for fabless designers such as NVIDIA, AMD and Apple, and packages HBM with CoWoS. Buys equipment from ASML (EUV) and others.

TSM Updated 2026-06-20

Money in ▸NVIDIA●Revenue share 19%Apple●Revenue share 17%Marvell●Astera Labs●Amazon●AMD◐Broadcom◐Intel◐Microsoft◐Alphabet (Google)◐Meta◐

TSMCabout NT$3.78T

▸ Money outASML●Applied Materials◐Lam Research◐

Financials & Segments

Total revenue · about NT$3.78T (FY2025)
Customer concentration · Largest customer NVIDIA 19%, second Apple 17% (2025). Top 10 customers are 78%
Segments · HPC(58%) · Smartphone(29%) · Automotive(5%) · Other(8%)

Revenue from

NVIDIA High confidence· Revenue share 19% · 2025 · share of TSMC revenue (NT$726.9B/$23.2B)
TSMC's largest customer (2025). AI accelerator wafers plus CoWoS packaging. NT$726.9B ($23.2B), 19% of revenue, overtaking Apple.
Confirms EN SEC EDGAR Published Apr 16, 2026: "TSMC 20-F: largest customer accounted for 19% of 2025 net revenue (second 17%)."
Confirms EN CNBC Published Jan 26, 2026: "NVIDIA overtook Apple as TSMC's largest customer, 19% of 2025 revenue (NT$726.9B/$23.2B), up from 12%."
Confirms KO Bloter Published Jan 23, 2026: "NVIDIA reached about $23.4B, 19% of TSMC revenue, overtaking Apple (17%) as the largest customer, up from 12%. TSMC total revenue about $122.4B (+31.6%)."
Apple High confidence· Revenue share 17% · 2025 · share of TSMC revenue (NT$645.1B)
Long-time top customer, now second (2025). Mobile APs. NT$645.1B, 17% of revenue (down from 22%).
Mentions EN SEC EDGAR Published Apr 16, 2026: "TSMC 20-F: second largest customer accounted for 17% of 2025 net revenue."
Confirms EN DigiTimes Published Jan 22, 2026: "Apple fell to second at 17% of revenue (NT$645.1B), down from 22%."
Marvell High confidence
Foundry for Marvell's custom AI chips (N2) and CoWoS packaging.
Confirms EN SEC EDGAR Published Mar 11, 2026: "Marvell 10-K: reservation arrangements with foundries and substrate partners, uses advanced packaging like CoWoS."
Mentions KO ZDNet Korea Published Jun 18, 2025: "Marvell's custom chips on a 2nm node (TSMC)."
Astera Labs High confidence
Sole foundry for all of Astera's ICs (fabless).
Confirms EN SEC EDGAR Published Feb 10, 2026: "Astera 10-K: TSMC is the sole manufacturing partner for our ICs (no alternative qualified yet)."
Amazon High confidence
Foundry fabricating Amazon’s own Trainium (2/3) AI chips on 5nm/3nm.
Confirms KO Global Economic Published Dec 3, 2025: "Trainium3 is built on TSMC’s advanced node."
AMD Medium confidence
Foundry for HPC and AI accelerators (MI series).
Mentions EN CNBC Published Jan 26, 2026: "HPC customers such as AMD drove TSMC's revenue growth."
Broadcom Medium confidence
Foundry for custom AI ASICs.
Mentions EN CNBC Published Jan 26, 2026: "Custom AI chip customers such as Broadcom."
Intel Medium confidence
Manufactures some of Intel's chip tiles.
Confirms EN SEC EDGAR Published Jan 23, 2026: "Intel 10-K: incorporates external foundries (including TSMC) into its products."
Microsoft Medium confidence
Foundry fabricating Microsoft’s own Maia AI chips (Maia 100/200) on N5 with CoWoS-S.
Confirms EN ServeTheHome Published Aug 26, 2024: "Maia 100 is a "TSMC 5nm part" using "TSMC CoWoS-S" packaging."
Alphabet (Google) Medium confidence
Foundry fabricating Google’s own TPU AI chips (Ironwood) on N3P.
Confirms EN TrendForce Published Nov 7, 2025: "Ironwood is built on a TSMC process with 192GB of HBM3E."
Meta Medium confidence
Foundry fabricating Meta’s own MTIA AI chips on 5nm.
Confirms EN Tom's Hardware Accessed Jun 20, 2026: "MTIA v2 is produced on TSMC 5nm."

Pays to

ASML High confidence
Key supplier of EUV lithography tools. TSMC is the biggest EUV buyer; ASML is the sole EUV source.
Confirms EN SEC EDGAR Published Apr 16, 2026: "TSMC 20-F: as a major purchaser of fabrication equipment, managing equipment-supplier relationships is important."
Applied Materials Medium confidence
Deposition, etch and other front-end tools.
Mentions EN SEC EDGAR Published Apr 16, 2026: "TSMC 20-F: a major purchaser of semiconductor fabrication equipment."
Lam Research Medium confidence
Etch and deposition tools.
Mentions EN SEC EDGAR Published Apr 16, 2026: "TSMC 20-F: a major purchaser of semiconductor fabrication equipment."

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