Westchester Capital Management Reports 5.14% Stake in GigCapital8 Corp (GIW)

On May 15, 2026, Westchester Capital Management, LLC and Westchester Capital Partners, LLC filed a Schedule 13G with the SEC, reporting a combined beneficial ownership of 1,318,232 Class A ordinary shares of GigCapital8 Corp (GIW). This position represents a 5.14% stake in the company, based on 25,657,625 shares outstanding. Westchester Capital Management, LLC acts as a sub-advisor to several funds, including The Merger Fund and Virtus Westchester Event-Driven Fund, which hold the shares for the benefit of their investors. Westchester Capital Partners, LLC serves as the investment adviser to the Westchester Capital Master Trust. The filing indicates that the shares were acquired in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. The reporting persons have entered into a joint filing agreement. Specifically, Westchester Capital Management, LLC holds sole voting and dispositive power over 111,171 shares and shared power over 1,207,061 shares, while Westchester Capital Partners, LLC holds sole power over 11,768 shares.