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This list is an analysis based on recent market events. It's not an investment recommendation.
Sumco Corporation, together with its subsidiaries, manufactures and sells silicon wafers for the semiconductor industry primarily in Japan, the United States, China, Taiwan, Korea, and internationally. It provides monocrystalline ingots, as well as polished, annealed, epitaxial, junction isolated, silicon-on-insulator, and reclaimed polished wafers. The company was formerly known as Sumitomo Mitsubishi Silicon Corp. and changed its name to Sumco Corporation in August 2005. Sumco Corporation was incorporated in 1999 and is headquartered in Tokyo, Japan.
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FAQ
What is Sumco stock price today?▼
The current price of S3X.STU is €10.85 EUR — it has increased by +3.31% in the past 24 hours. Watch Sumco stock price performance more closely on the chart.
What is Sumco stock ticker?▼
Depending on the exchange, the stock ticker may vary. For instance, on exchange Sumco stocks are traded under the ticker S3X.STU.
Is Sumco stock price growing?▼
S3X.STU stock has risen by +17.98% compared to the previous week, the month change is a +18.57% rise, over the last year Sumco has showed a +106.74% increase.
How many employees does Sumco have?▼
As of April 11, 2026, the company has 8,469 employees.
In which sector is Sumco located?▼
Sumco operates in the Technology sector.
When did Sumco complete a stock split?▼
Sumco has not had any recent stock splits.
Where is Sumco headquartered?▼
Sumco is headquartered in Tokyo, JP.