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Mergers & AcquisitionsMedium•25 June 2026•

1 min read

WISeKey, SEALSQ launch Quantisimo SPV for $575M merger

Key Facts

1WISeKey and SEALSQ established a special purpose vehicle (SPV) named Quantisimo to complete a $575 million merger deal.

In a structural move aimed at accelerating the merger between two cybersecurity firms, WISeKey and SEALSQ announced the establishment of a special purpose vehicle (SPV) named Quantisimo at $575 million. According to reports, the new entity was created to facilitate the completion of the deal combining the two Swiss companies specializing in digital security and e-signature solutions.

The announcement comes without additional financial details on the funding structure or share allocation, leaving investors awaiting further clarifications. The SPV structure is typically used to ring-fence assets and liabilities related to the transaction, simplifying the merger process and offering regulatory flexibility.