SUMCO Corp
S3X
Company Profile
Business description
Founded in 1999 as a joint venture between Nippon Steel and two Mitsubishi entities, Sumco is the world’s second-largest semiconductor-grade silicon wafer manufacturer, with an estimated 19% market share in 2024. Sumco is headquartered in Tokyo and operates seven production sites across Japan. It also maintains sales and support offices in Taiwan, the US, the UK, Indonesia, and Singapore. Sumco sells to most semiconductor manufacturers like TSMC, Intel, Samsung, and Micron. The firm employs over 9,800 people.
Contact
1-2-1 Shibaura
Minato-ku
Tokyo105-8634
JPNT: +81 354440808
Sector
Technology
Stock type
Sensitive
Industry
Semiconductor Equipment & Materials
Fiscal Year End
31 December 2026
Employees
10,803
Stocks News & Analysis
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Cheapest ASX member of our Best Idea’s list
This share is trading at the lowest price to fair value of the 14 companies on the list.
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We remove our Moat Rating from ASX listed share
Despite a surging share price a weakening competitive position causes a reassessment of our view.
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Best sustainable companies to own in 2026
We believe these companies’ strong ESG management practices give them a long-term advantage.
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