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SPAC · Deal announced · GIW

GigCapital8 Corp.

Business combination with Quantisimo Corp.

GigCapital8 Corp. (GIW) is a blank-check company (SPAC) that raised $220M in its initial public offering on Oct 6, 2025, listing on Nasdaq Global Market. It agreed to combine with Quantisimo Corp., announced on Oct 9, 2026, at a stated value of $666.1M. The deal has not closed yet. DLA Piper advised the SPAC and Ellenoff Grossman & Schole advised the underwriters on the IPO.

Trusted quantum technology platform owned by WISeKey and SEALSQ

Status
Deal announced
Ticker
GIW
IPO date
Oct 6, 2025
IPO size
$220M
IPO exchange
Nasdaq Global Market
Target
Quantisimo Corp. (WISeKey/SEALSQ quantum platform)
Target sector
Quantum technology
Announced
Oct 9, 2026
Stated deal value
$666.1M
Combined company
Quantisimo Holding Corp. (QSMO)
SPAC counsel (IPO)
DLA Piper and Harneys
Underwriters' counsel (IPO)
Ellenoff Grossman & Schole

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