What stocks does Bill Ackman own? — Pershing Square Capital Management, L.P. portfolio & 13F holdings

Bill Ackman runs Pershing Square Capital Management, L.P.. Concentrated activist investor who takes massive public positions and fights loudly for change. High-conviction, long holding periods, not afraid to be wrong loudly. As of the Q4 2025 13F filing, the disclosed long-equity portfolio is valued at $15.5B across 10 positions. The largest holdings are BROOKFIELD CORP, UBER TECHNOLOGIES INC, and AMAZON COM INC (BROOKFIELD CORP alone is 18.1% of the book).

New positions opened in the latest quarter include ALPHABET INC and META PLATFORMS INC. Recently exited names: ALPHABET INC and CHIPOTLE MEXICAN GRILL INC.