IQE is trading at £47.35 (+5.22%) after announcing a September 3, 2026 purchase agreement with Quintessent to supply six-inch gallium-arsenide epiwafers.

  • The epiwafers will support quantum-dot lasers for customer sampling and future commercial deployment.
  • The agreement extends IQE's existing relationship and aligns with AI datacentre connectivity demand.
  • Third-party coverage also identified the Quintessent order, supporting the company-specific catalyst. The market is closed, with supplied price context showing a significant gain during the latest session.