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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 · 2026-Q2
No 13F holdings on file for this investor.
Recent moves
Latest filed · 2026-03-31
Every entry below is an auto-generated factual summary of a public filing or disclosure. Not investment advice. Verify before acting.
Quarterly 13F update · 2026-Q11 opened · 1 added · 4 trimmed · +1 disclosed
OpenedMSFT +$2.1B
Added toAMZN +$167.4M