Seaport Entertainment Group Inc.
SEG- Exchange
- NYSE
- Industry
- Services-Miscellaneous Amusement & Recreation
- SEC CIK
- 0002009684
No open-market purchases or sales by Seaport Entertainment Group Inc. insiders were filed in the last 90 days; 116 institutions reported holding it in 13F filings for Q2 2026, worth $296.0M in total; Pershing Square is the only superinvestor holding it.
13F holders, Q4 2025
Institutional positions in Seaport Entertainment Group Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 113
- +13 vs. Q3 2025
- Shares held
- 10.4M
- +479.4K (+4.8%) vs. Q3 2025
- Total value
- $205.6M
- −$21.5M (−9.5%) vs. Q3 2025
- New holders
- 24
- 22 more added
- Sold out
- 11
- 37 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SEG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 116 | $296.0M |
| Q1 2026 | 118 | $231.3M |
| Q4 2025 | 113 | $205.6M |
| Q3 2025 | 101 | $227.1M |
| Q2 2025 | 103 | $165.1M |
| Q1 2025 | 121 | $192.0M |
| Q4 2024 | 127 | $268.7M |
| Q3 2024 | 118 | $134.7M |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Seaport Entertainment Group Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 121,931 | $2.41M | 0.00% | −13,048−9.7% | Reduced |
| Rangeley Capital, LLC | 153,517 | $3.04M | 2.61% | −483−0.3% | Reduced |
| State Street Corp | 177,000 | $3.50M | 0.00% | −2,435−1.4% | Reduced |
| Geode Capital Management, LLC | 178,757 | $3.53M | 0.00% | −5,389−2.9% | Reduced |
| Solas Capital Management, LLC | 227,578 | $4.50M | 2.55% | −4,660−2.0% | Reduced |
| Cerity Partners LLC | 257,222 | $5.09M | 0.01% | −2,723−1.0% | Reduced |
| Gate City Capital Management, LLC | 385,326 | $7.62M | 3.30% | +385,326 | New |
| Vanguard Group Inc | 454,191 | $8.98M | 0.00% | −6,340−1.4% | Reduced |
| BlackRock, Inc. | 514,035 | $10.2M | 0.00% | −9,485−1.8% | Reduced |
| Dimensional Fund Advisors LP | 519,898 | $10.3M | 0.00% | −59,425−10.3% | Reduced |
| Rubric Capital Management LP | 568,530 | $11.2M | 0.13% | 00.0% | Unchanged |
| Kahn Brothers Group Inc | 586,170 | $11.6M | 2.05% | +2,806+0.5% | Added |
| Pershing Square Capital Management, L.P. | 5,023,780 | $99.3M | 0.64% | 00.0% | Unchanged |
| CenterBook Partners LP | 0 | $0 | 0.00% | −81,200−100.0% | Sold out |
| Proficio Capital Partners LLC | 0 | $0 | 0.00% | −13,349−100.0% | Sold out |
| Sandia Investment Management LP | 0 | $0 | 0.00% | −13,311−100.0% | Sold out |
| Empirical Finance, LLC | 0 | $0 | 0.00% | −9,935−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −646−100.0% | Sold out |
| Pin Oak Investment Advisors Inc | 0 | $0 | 0.00% | −145−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −83−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Binnacle Investments Inc | – | – | – | – | Not filed |