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High materiality8/10

SEALSQ Advances to Commercial Phase with Miraex, Expanding Quantum Stack

Jul 31, 2026, 9:13 AM EDT1 sourcesAI-analyzed
Why it may matterVerify against the original reporting

Milestone-driven progress toward monetization of a high-end quantum stack, with potential near-term upside from expanded addressable markets and defense/government deals; however execution risk and long sales cycles temper certainty.

AI summary

What happened, with direct paths to the underlying reporting

SEALSQ has begun Miraex's commercial phase following the June 2, 2026 100% acquisition financed by its $200 million Quantum Fund, with over $65 million deployed to quantum investments. Miraex provides a Thin Film Lithium Tantalate PIC that bridges microwave and optical quantum networks, enabling a sovereign quantum stack. The rollout targets four markets—DQC, quantum networking, sensing, and secure space cloud—potentially expanding government and hyperscaler revenue.

  • SEALSQ completes Miraex acquisition on June 2, 2026; commercial phase begins.
  • Miraex PIC enables microwave-to-optical quantum interconnects for the stack.
  • Funded by a $200M SEALSQ Quantum Fund; over $65M deployed to quantum investments.
  • Commercial rollout targets four markets: DQC, quantum networking, sensing, QOSC.
  • Strategic partnerships with hyperscalers, telecoms, and governments to scale.

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