SUMCO

SUMCO is a major in the Materials segment of the semiconductor & AI supply chain, headquartered in 東京都 港区, JP. Its key suppliers include Wacker Chemie, Tokuyama. Its key customers include TSMC, Samsung Electronics, Intel.

Second-largest silicon wafer producer, supplying all leading fabs.

Ticker
TSE: 3436
Headquarters
東京都 港区, JP
Founded
1999
Revenue
$2.0B (FY2025) · -15.7% YoY
Net income
$-72M
Operating margin
-7.3%
Market position
major
Value-chain segment
Silicon Wafers
Key products
300mm wafers, epitaxial wafers

About SUMCO

SUMCO, headquartered in Japan, operates in the Silicon Wafers segment of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include 300mm wafers, epitaxial wafers. wafergraph maps 2 tracked suppliers and 8 tracked customers for SUMCO across the value chain. It has a supply-chain criticality score of 69/100, with 242 companies downstream of it.

SUMCO Corporation is a Japanese semiconductor company, manufacturing silicon wafers for semiconductor manufacturers worldwide.

Key products

  • 300mm wafers
  • epitaxial wafers

Suppliers

Customers

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Sources

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