Gritstone Asset Management LLC has filed a Form 13F-HR report disclosing its equity portfolio as of September 30, 2026. The filing lists 195 separate holdings, managed by Managing Partner Nicholas Skibo, and represents the firm's institutional holdings for the third quarter of the year.
The portfolio is heavily weighted toward Special Purpose Acquisition Companies (SPACs), a category of investment vehicle designed to merge with a private company to become publicly traded. The filing details specific positions in various SPACs, including 1RT Acquisition Corp, which holds 5,560 shares, and Ares Acquisition Corp III, which holds 16,624 shares. Other notable SPAC positions include Activate Energy Acquisition Corp with 15,250 shares and Alussa Energy Acquisition Corp with 16,462 shares.
The filing also includes positions in traditional corporate equities. A significant holding is Ares Capital Corp, with 8,541,575 shares. The portfolio also includes shares in Bitcoin Infrastructure Acquisition Corp with 5,274 shares and Presidio Production Co with 128,873 shares.
The report lists the total number of shares held for each security, the class of shares, and indicates that the voting rights for these positions are exercised solely by the filer. The filing was submitted on October 26, 2026.
