Companies / Seaport Entertainment Group Inc.
Seaport Entertainment Group Inc.
NYSE: SEGCIK 2009684NEW YORK, NY
Financials · FY2025
Ownership
12.8M shares outstanding · as of Aug 3, 2026
Ownership
| Insiders | 0.71% | 90,875 |
| 10%+ / strategic | 6.97% | 893,227 |
| Institutions | 38.26% | 4,900,738 |
| Public float | 54.06% | 6,924,696 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 12
View all →| Insider | % of shares | Shares |
|---|---|---|
Partridge Matthew MorrisCEOFormerChief Executive Officer · Director | 0.94% | 120,533 |
Pershing Square Capital Management, L.P.Director · 10% owner | 0.71% | 90,875 |
Elaiwat LenahFormerChief Financial Officer | 0.25% | 31,454 |
Sachs Rebecca E.FormerChief People Officer | 0.18% | 23,400 |
Fato LucianaFormerGeneral Counsel | 0.15% | 19,212 |
Crawford Michael AnthonyFormerDirector | 0.06% | 7,218 |
Digilio Monica SFormerDirector | 0.06% | 7,218 |
Hirsh David Z.FormerDirector | 0.06% | 7,218 |
Ackman William aFormerDirector · 10% owner | — | — |
Pershing Square Holdco GP, LLCFormerDirector · 10% owner | — | — |
Institutional holders 117
View all →| Holder | Value | % of shares |
|---|---|---|
| $107.91M | 39.22% | |
| $19.19M | 6.97% | |
| $14.71M | 4.32% | |
| $11.24M | 4.44% | |
| $10.28M | 4.06% | |
| $8.98M | 3.55% | |
| $7.62M | 3.01% | |
| $5.09M | 2.01% | |
| $4.94M | 1.45% | |
| $4.50M | 1.78% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Apr 21, 2026 | Pershing Square Capital Management, L.P. Director | Other | Common Stock, par value $0.01 per share | $2.02M | +91K | 90,875 0.71% of shares | low |
| Apr 21, 2026 | Pershing Square Capital Management, L.P. Director | Other | Common Stock, par value $0.01 per share | $2.02M | -91K -1.81% | 4,932,905 38.51% of shares | low |
| Mar 6, 2026 | Partridge Matthew Morris CEO | Other | Common Stock | $59.0K | -3K -2.21% | 120,533 0.94% of shares | low |
| Feb 27, 2026 | Sachs Rebecca E. Executive | Other | Common Stock | $23.1K | -987 -3.94% | 24,084 0.19% of shares | low |
| Feb 27, 2026 | Elaiwat Lenah Executive | Other | Common Stock | $21.4K | -914 -2.82% | 31,454 0.25% of shares | low |
| Mar 6, 2026 | Fato Luciana Executive | Other | Common Stock | $15.8K | -728 -3.65% | 19,212 0.15% of shares | low |
| Mar 6, 2026 | Sachs Rebecca E. Executive | Other | Common Stock | $14.8K | -684 -2.84% | 23,400 0.18% of shares | low |
| Feb 26, 2026 | Sachs Rebecca E. Executive | Grant | Common Stock | $0 | +8K +45.65% | 25,071 0.20% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Kahn Brothers Group Inc | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| SEG | — | 812215200 |