IQE vs SUMCO

Both are primarily Silicon Wafers companies. SUMCO has a tracked market cap of $7.6B; IQE is currently unpriced in the dataset. SUMCO reports higher tracked revenue ($2.1B vs $129M).

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Side-by-side

IQESUMCO
Market capUnpriced$7.6B
Revenue$129M (FY2025)$2.1B (FY2025)
Primary segmentSilicon WafersSilicon Wafers
Market positionleadermajor
CountryUnited KingdomJapan
Tracked suppliers12
Tracked customers118
Chokepoint / criticality81/10069/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How IQE and SUMCO compare

  • Revenue: SUMCO reports higher tracked revenue.
  • Supply-chain criticality: IQE has the higher chokepoint score (81/100 vs 69/100).
  • Footprint: IQE (United Kingdom) vs SUMCO (Japan).

Company hubs

IQE · SUMCO · Materials segment

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Cite as: wafergraph, “IQE vs SUMCO”, https://wafergraph.com/compare/iqe-vs-sumco (data as of 2026-10-09).

Frequently asked questions3
Is IQE bigger than SUMCO?
By tracked revenue, SUMCO is larger ($2.1B vs $129M).
What's the difference between IQE and SUMCO?
IQE is a leader in Silicon Wafers based in United Kingdom; SUMCO is a major in Silicon Wafers based in Japan. Both operate in the Materials segment.
Who are IQE's and SUMCO's suppliers?
wafergraph tracks 1 suppliers for IQE and 2 for SUMCO; SUMCO's include Wacker Chemie.