Bill Gates became the sole trustee of an $89bn endowment, and the document that did it is filed with the foundation's tax return
The foundation's 2024 tax return carries, as a filed attachment, the trust amendment under which Melinda French Gates resigned every position and Bill Gates became sole trustee of an endowment worth just over $89bn at the end of 2025.
By Curtis Vance·
September 23, 2026
