Quantisimo to List on Nasdaq via GigCapital8 Business Combination

Key Facts

1Quantisimo Corp. signed a definitive business combination agreement with GigCapital8 Corp. to become a Nasdaq-listed public company.

2Quantisimo was formed as a sovereign quantum vertical platform by WISeKey and SEALSQ.

Quantisimo Corp. signed a definitive business combination agreement with GigCapital8 Corp. to become a Nasdaq-listed public company. GlobeNewswire reported that Quantisimo was formed as a sovereign quantum vertical platform by WISeKey and SEALSQ, and the merger is intended to scale its technical operations.

GigCapital8 Corp (GIW) closed at $10.17 on October 8, 2026, while SEALSQ Corp (LAES) closed at $2.25 on the same date. The transaction provides a clear path to public capital and liquidity for the involved entities as they develop the 'Root to Qubit' sovereign quantum vertical.