GigCapital8 Acquisition Co. (Ticker: GIWWU US) is a Cayman Islands–incorporated special-purpose acquisition company (SPAC) formed to target businesses in aerospace and defense, cybersecurity, secured communications, quantum-based command and control systems, and artificial intelligence. The company is expected to list on NASDAQ on October 3, 2025. GigCapital8 will offer 22 million units at $10.00 each, raising $220 million. The IPO is managed by D. Boral Capital (formerly EF Hutton).