Quantisimo Corp. announced on October 9, 2026, that it entered into a definitive business combination agreement with GigCapital8 Corp. to become a publicly listed company on the Nasdaq Capital Market.
Business Combination Details
According to company filings, Quantisimo was established as a special purpose vehicle by WISeQey Corp. and SEALSQ Corp. Under the agreement, Quantisimo and GigCapital8 Corp. will become wholly owned subsidiaries of a newly formed British Virgin Islands holding company named Quantisimo Holding Corp., or PubCo.
WISeQey and SEALSQ will receive an aggregate of 66,610,000 shares of the new publicly listed holding company, implying a pro forma equity value for Quantisimo of approximately $666.1 million at $10.00 per share. The transaction is supported by a minimum cash condition of $15 million, to be funded through cash from GigCapital8's trust account and any PIPE investment, together with a matching cash contribution from SEALSQ.
Prior to closing, WISeQey and SEALSQ will contribute to Quantisimo their interests in the operating businesses of Miraex SA, SEALCOIN AG, WeCan Group SA, and WISeSat.Space Holdings Corp. Carlos Moreira serves as Chief Executive Officer of WISeQey, SEALSQ, and WISeSat.Space.
Timeline and Expected Listing
The business combination is expected to be completed in the first quarter of 2027, subject to customary closing conditions, including approval by GigCapital8's shareholders, the effectiveness of a registration statement on Form F-4, and the approval of PubCo's listing on Nasdaq.
Following the closing, PubCo's ordinary shares are expected to list on the Nasdaq Capital Market under the symbol “QSMO.” WISeQey, SEALSQ, GigCapital8's sponsor, and GigCapital8's directors and officers have agreed to customary six-month lock-up agreements.
Key facts and where they come from
- Quantisimo Corp. entered into a definitive agreement and plan of merger with GigCapital8 Corp.
Quantisimo Corp. (“Quantisimo”), a special purpose vehicle established by WISeQey (Nasdaq/SIX: WQEY) and SEALSQ (Nasdaq: LAES), today announced that it has entered into a definitive Agreement and Plan of Merger.
- The transaction implies a pro forma equity value for Quantisimo of approximately $666.1 million at $10.00 per share.
implying a pro forma equity value for Quantisimo of approximately $666.1 million at $10.00 per share
- The transaction is backed by a minimum cash condition of $15 million.
The transaction is supported by a minimum cash condition of $15 million
- The business combination is expected to be completed in the first quarter of 2027.
The business combination is expected to be completed in the first quarter of 2027
- PubCo's ordinary shares are expected to list on the Nasdaq Capital Market under the symbol QSMO.
PubCo’s ordinary shares are expected to list on the Nasdaq Capital Market under the symbol “QSMO.”