Sumco company profile

3436 · TSE · JPY

¥3,647.00Change from previous close: +1.64%Absolute change: +¥59.00

Close · October 5, 2026

Company profile

Sumco has 9,714 employees and is headquartered in Minato, Japan.

Sumco Corporation engages in the manufacture and sale of silicon wafers for the semiconductor industry in Japan, the United States, China, Taiwan, South Korea, Europe, and internationally. It offers polished, annealed, epitaxial, junction isolated, silicon-on-insulator, and reclaimed polished wafers, as well as provides monocrystalline ingots. The company was formerly known as Sumitomo Mitsubishi Silicon Corp. and changed its name to Sumco Corporation in August 2005. The company was incorporated in 1999 and is headquartered in Minato, Japan.

Company facts

Industry
Semiconductor Equipment & Materials
Country
Japan
Headquarters
Seavance N Building, 105-8634, Minato
Employees
9,714
Listing
3436 · TSE
Indices
Nikkei 225
Currency
JPY