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Sumco Corporation: Business Overview, Financials & Competitive Analysis

Sumco Corporation scores 5/10 on the AskCyborg Cyborg Score (Mixed). Established semiconductor supply leader with defensive characteristics, but facing near-term profitability headwinds during industry downturn. Sumco maintains strong market position in a critical semiconductor supply chain segment with stable revenue (~¥420B annually). However, the company recently reported net losses and declining profitability, indicating cyclical downturn pressures and margin compression in.

What is Sumco Corporation's industry? Sumco Corporation (sumcosi.com) operates in Semiconductor Manufacturing Equipment & Materials - Silicon Wafers. AskCyborg classifies Sumco Corporation under Semiconductor Manufacturing Equipment & Materials - Silicon Wafers in its company registry.

Sumco Corporation manufactures and sells silicon wafers for the semiconductor industry in Japan, the United States, China, Taiwan, South Korea, Europe, and internationally. The company offers polished, annealed, epita...

5/ 10Mixed

Cyborg Score thesis

Established semiconductor supply leader with defensive characteristics, but facing near-term profitability headwinds during...

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Industry Semiconductor Manufacturing Equipment & Materials - Silicon Wafers
2 named competitors
3 recent developments
11 analyst dimensions
Synthesized from analyst-debate stress-testing across 11 dimensions and hundreds of data points. Methodology →
Cyborg Score recalibrated: October 19, 2026
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Analyst-debate audio for Sumco Corporation

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What's in This Report
Sumco Corporation OverviewStrategic ProfileCompetitive LandscapeIndustry ContextKey facts
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Sumco Corporation Overview

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Sumco Corporation manufactures and sells silicon wafers for the semiconductor industry in Japan, the United States, China, Taiwan, South Korea, Europe, and internationally. The company offers polished, annealed, epitaxial, junction isolated, silicon-on-insulator, and reclaimed polished wafers, as well as monocrystalline ingots. As a critical supplier in the semiconductor supply chain, Sumco serves memory and logic chipmakers globally.

Strategic Profile

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The company was incorporated in 1999 and is headquartered in Tokyo, Japan. Sumco is a leading player in the high-purity silicon wafer market, competing on technological sophistication and manufacturing scale. The company faces cyclical demand pressures inherent to semiconductor capital spending, reflected in recent quarterly losses despite revenue stability.

Competitive Landscape

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Sumco operates in the global semiconductor wafer market alongside competitors like Shin-Etsu Chemical and SUMCO-affiliated producers. The market is characterized by high barriers to entry (capex-intensive, technical expertise), few large suppliers controlling majority share, and intense competition on specifications and cost. Primary competition stems from Japanese and Taiwanese manufacturers.

Industry Context

Sumco Corporation operates in Semiconductor Manufacturing Equipment & Materials - Silicon Wafers.

Key facts

Founded: 1999 · Headquarters: Tokyo, Japan · Revenue: ¥420B+ · Market cap: ¥564-599B

What the AI analysts debated

AI-generated and not independently verified: selected findings from the multi-agent debate on Sumco Corporation.

  • Sumco Corporation revenue for the last quarter amounted to 105.23 billion JPY, exceeding the estimated figure of 101.60 billion JPY.
  • 3436 earnings for the last quarter were negative 30.75 JPY per share, versus an estimation of negative 20.28 JPY, resulting in a negative 51.64% surprise.
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Recent developments

Material events tracked by the AskCyborg corpus.

  • February 2026Q4 2025 earnings release showing net losses but revenue beat expectations
  • January 2026ISS Governance QualityScore assessment completed with mixed governance indicators
  • +1 moreTrack every material event for Sumco Corporation as it happens. Explore monitoring →
Get alerted when Sumco Corporation has a new material development →

Named competitors

Pulled from the analyst-debate framework. Click any competitor to see their Cyborg Score.

Semiconductor Silicon WafersMajor global competitor in silicon wafer manufacturing→Semiconductor Silicon WafersTaiwan-based wafer supplier and potential competitor→

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Industry context

Sumco Corporation operates in Semiconductor Manufacturing Equipment & Materials - Silicon Wafers. See how the rest of the sector scores on the Cyborg framework.

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Frequently asked questions

What does Sumco Corporation do?+
Sumco Corporation manufactures and sells silicon wafers for the semiconductor industry in Japan, the United States, China, Taiwan, South Korea, Europe, and internationally. The company offers polished, annealed, epita...
What is Sumco Corporation's Cyborg Score?+
Sumco Corporation has a Cyborg Score of 5/10 (Mixed). The score synthesizes business model, financials, leadership, competitive position, technology, marketing, and ESG dimensions across hundreds of data points.
Who are Sumco Corporation's main competitors?+
Named competitors include Semiconductor Silicon Wafers, Semiconductor Silicon Wafers. The full competitive landscape is in the AskCyborg report.
How can I get the full Sumco Corporation research report?+
Get the report plus analyst-debate audio at askcyborg.com -- no credit card required for preview access. Pro adds saved-company audio playlists and monitoring.
How current is the Sumco Corporation research?+
The Cyborg Score is recalibrated weekly. Recent developments are tracked continuously and surfaced in every report.

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