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Photo: Senate Democrats CC BY 2.0
United States
Bill Ackman
FollowPershing Square · concentrated equity activism
Founder and CEO of Pershing Square Capital Management. Runs a concentrated portfolio of eight to twelve equity positions, frequently engaging publicly with management on capital allocation. Quarterly letters explain each name's underlying business in detail.
Portfolio · 2025-Q4
| Security | Shares | Market value | % of portfolio |
|---|---|---|---|
| ALPHABET INC CAP STK CL A | 678,297Shares decreased 86% | $212.3M | 1.4% |