GigCapital8 Sets Quantisimo Merger; Holders to Receive 66.61M PubCo Shares, $15M Cash Floor
GigCapital8 (GIW) agreed to merge with Quantisimo, with the latter's shareholders receiving 66.61M shares of the new public company and a $15M cash floor. The deal includes support agreements from WISeQey, SealSQ, and the SPAC sponsor, aiming for a Nasdaq listing. The merger is subject to closing conditions.
How this was made

The 30-second read
Why it matters
The merger creates a new public entity (PubCo) with a defined share allocation and cash component, providing a clear valuation framework for investors.
Market read
First public disclosure of the GIW-Quantisimo merger, offering a fresh trading catalyst for the SPAC and its shareholders.
What to watch
Potential redemptions by SPAC shareholders and regulatory approvals could delay or alter terms.
Background
GigCapital8 (GIW) is a SPAC seeking a public listing through a merger with Quantisimo, a private company. The deal includes shareholder support agreements and sponsor backing to ensure closing.
Ticker impact
GigCapital8 announced a merger with Quantisimo, issuing 66.61M PubCo shares and a $15M cash floor.
upward pressure as the market prices in the upcoming Nasdaq listing and cash component
First disclosure of the deal, includes concrete share count and cash floor, creating immediate valuation upside.
Market effects
Adds to SPAC activity in the technology/finance sector, may boost related SPACs.
Primarily U.S. market impact as GIW is U.S.-listed.
Limited to investors tracking SPAC mergers and small-cap biotech/tech combos.
Counterpoint
If the cash floor is insufficient or integration risks materialize, the stock could face downside.
Key entities
- CompanyGigCapital8
SPAC initiating the merger.
- CompanyQuantisimo
Target private company.
