Entities / Company
SUMCO.
Japanese Company
- Reports this week
- 2
- Active events
- 1
- Connections
- 12
What's happening
Reports per dayLast 90 days
90 days agoDrag either end to show only events that began in that periodToday
Active this week
Earlier this month
One to three months ago
Gone quiet
No new reports in 90+ daysNo events began in the chosen period. Widen it, or reset.
Around SUMCO this week
News at the entities that move SUMCO most-
Topix StructuralOn July 2, 2026, key industry facts were noted: Kioxia is a memory maker in Japan, the Topix index tracks Tokyo stocks, and Tokyo Electron is a chip-making equipment maker.Moves SUMCO
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Japan Shared contextSri Lanka joined the Sterling Assets Agreement and participated in the San Francisco Conference.Moves SUMCO
Connections
The 4 strongest of 12, analyzed from the reporting. The bars show how strongly a change on one side reaches the other.-
Mitsubishi Materials Structural
SUMCO was formed through the integration of operations from Mitsubishi Materials.
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Sumitomo Metal Industries Structural
SUMCO originated as a formal subsidiary formed directly from the operational base of Sumitomo Metal Industries.
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Topix Structural
SUMCO is formally included as a constituent of the Topix market index.
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Japan Shared context
SUMCO operates within the dominant global silicon wafer supply chain ecosystem of Japan.
History
Events by the month they beganSeptember 2026
3 events- SUMCO, a Japan-based manufacturer, was formed from the operations of Sumitomo Metal Industries and Mitsubishi Materials.
- Higher energy costs are complicating the monetary policy outlook as the FED grapples with market trends, including declines in companies like SUMCO and Bandai Namco.
- SUMCO was founded as a spin-off from Mitsubishi Silicon.