Ackman William a
All linked companies
| Company | Shares held ↑ | Latest |
|---|---|---|
| Pershing Square SPARC Holdings, Ltd./DE | 422,533 | Apr 21, 2026 |
| Pershing Square USA, Ltd. · PSUS | 4,056,171 | Apr 30, 2026 |
| PERSHING SQUARE INC. · PS | 78,640,492 | Apr 30, 2026 |
| Howard Hughes Holdings Inc. · HHH | — | — |
| Seaport Entertainment Group Inc. · SEG | — | — |