GigCapital8 is a SPAC, or blank check company, with no operations, products, or revenue. GigCapital8 raised $253M in its October 2025 IPO, with proceeds held in trust until the company completes an acquisition or liquidates. GigCapital8 has 24 months from its IPO to complete a deal, or it must return the trust funds to shareholders. No acquisition target has been identified. GigCapital8 intends to focus its search on companies in aerospace and defense, cybersecurity, quantum-based command and control systems, and AI/ML. The economics of the SPAC structure have public shareholders buying units at $10.00 each, with the right to redeem shares at trust value if they dislike a proposed deal. The sponsor and insiders receive founder shares at a steep discount — a "sponsor promote" — generating returns if a deal is completed. GigCapital8 is the eighth in a series of nine SPACs under the GigCapital Global platform, led by Dr. Avi S. Katz and Dr. Raluca Dinu. GigCapital Global's prior SPACs have had a mixed track record: completed deals include Kaleyra (sold to Tata Communications for ~$320M), BigBear.ai, and QT Imaging, while UpHealth filed for Chapter 11 bankruptcy and Lightning eMotors went into receivership with assets sold for ~$10M. One prior SPAC liquidated without completing a deal.