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 |
|---|---|---|---|---|---|
| Pershing Square Capital Management, L.P. | 5,023,780 | $99.3M | 0.64% | 00.0% | Unchanged |
| Kahn Brothers Group Inc | 586,170 | $11.6M | 2.05% | +2,806+0.5% | Added |
| Rubric Capital Management LP | 568,530 | $11.2M | 0.13% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 519,898 | $10.3M | 0.00% | −59,425−10.3% | Reduced |
| BlackRock, Inc. | 514,035 | $10.2M | 0.00% | −9,485−1.8% | Reduced |
| Vanguard Group Inc | 454,191 | $8.98M | 0.00% | −6,340−1.4% | Reduced |
| Gate City Capital Management, LLC | 385,326 | $7.62M | 3.30% | +385,326 | New |
| Cerity Partners LLC | 257,222 | $5.09M | 0.01% | −2,723−1.0% | Reduced |
| Solas Capital Management, LLC | 227,578 | $4.50M | 2.55% | −4,660−2.0% | Reduced |
| Geode Capital Management, LLC | 178,757 | $3.53M | 0.00% | −5,389−2.9% | Reduced |
| State Street Corp | 177,000 | $3.50M | 0.00% | −2,435−1.4% | Reduced |
| Rangeley Capital, LLC | 153,517 | $3.04M | 2.61% | −483−0.3% | Reduced |
| UBS Group AG | 121,931 | $2.41M | 0.00% | −13,048−9.7% | Reduced |
| Citadel Advisors LLC | 79,940 | $1.58M | 0.00% | +79,940 | New |
| Goldman Sachs Group Inc | 79,365 | $1.57M | 0.00% | +6,560+9.0% | Added |
| Alberta Investment Management Corp | 66,352 | $1.31M | 0.01% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 63,978 | $1.26M | 0.00% | −33−0.1% | Reduced |
| Colony Group, LLC | 50,078 | $1.15M | 0.00% | +78+0.2% | Added |
| Ancora Advisors, LLC | 53,491 | $1.06M | 0.02% | −32,726−38.0% | Reduced |
| Northern Trust Corp | 53,354 | $1.05M | 0.00% | −5,192−8.9% | Reduced |
| Horizon Kinetics Asset Management LLC | 52,522 | $1.04M | 0.01% | −308−0.6% | Reduced |
| Phoenix Holdings Ltd. | 50,000 | $988.5K | 0.01% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 46,622 | $921.7K | 0.00% | +1,733+3.9% | Added |
| Gem Investment Advisors, LLC | 38,448 | $760.1K | 0.72% | +38,448 | New |
| Renaissance Technologies LLC | 36,800 | $727.5K | 0.00% | +36,800 | New |
| LPL Financial LLC | 36,094 | $713.6K | 0.00% | −279−0.8% | Reduced |
| Marshall Wace, LLP | 33,154 | $655.5K | 0.00% | +33,154 | New |
| Marnell Management LLC | 32,300 | $638.6K | 0.49% | +32,300 | New |
| Russell Investments Group, Ltd. | 29,209 | $577.5K | 0.00% | −21,463−42.4% | Reduced |
| Morgan Stanley | 26,105 | $516.1K | 0.00% | +2,712+11.6% | Added |
| Quantinno Capital Management LP | 22,906 | $452.9K | 0.00% | +715+3.2% | Added |
| Price T Rowe Associates Inc | 22,310 | $442.0K | 0.00% | +4,700+26.7% | Added |
| Los Angeles Capital Management LLC | 18,170 | $438.6K | 0.00% | +18,170 | New |
| Bank of New York Mellon Corp | 22,156 | $438.0K | 0.00% | −162−0.7% | Reduced |
| Ingalls & Snyder LLC | 21,987 | $435.0K | 0.02% | +492+2.3% | Added |
| ArrowMark Colorado Holdings LLC | 18,527 | $366.3K | 0.01% | −1,306−6.6% | Reduced |
| Principal Financial Group Inc | 18,423 | $364.2K | 0.00% | −494−2.6% | Reduced |
| Commerce Bank | 17,565 | $347.3K | 0.00% | +17,565 | New |
| Global Strategic Management Inc | 17,300 | $341.0K | 0.28% | +17,300 | New |
| Bridgeway Capital Management, LLC | 16,785 | $331.8K | 0.01% | +16,785 | New |
| Toroso Investments, LLC | 16,144 | $319.2K | 0.00% | +16,144 | New |
| State of New Jersey Common Pension Fund D | 15,891 | $314.2K | 0.00% | 00.0% | Unchanged |
| O'Keefe Stevens Advisory, Inc. | 14,171 | $280.2K | 0.07% | +1,116+8.5% | Added |
| Nuveen, LLC | 13,753 | $271.9K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 12,951 | $256.0K | 0.00% | +12,951 | New |
| Jane Street Group, LLC | 12,643 | $250.0K | 0.00% | +2,372+23.1% | Added |
| Barclays PLC | 11,666 | $230.6K | 0.00% | +1,075+10.2% | Added |
| Millennium Management LLC | 11,563 | $228.6K | 0.00% | +11,563 | New |
| Deutsche Bank AG | 10,998 | $217.4K | 0.00% | +7,347+201.2% | Added |
| American Century Companies Inc | 10,696 | $211.5K | 0.00% | +1,294+13.8% | Added |
| XTX Topco Ltd | 10,308 | $203.8K | 0.01% | +10,308 | New |
| Wells Fargo & Company | 9,037 | $178.7K | 0.00% | +2,391+36.0% | Added |
| Bank of America Corp | 7,884 | $155.9K | 0.00% | +1,958+33.0% | Added |
| Rhumbline Advisers | 6,091 | $120.4K | 0.00% | −758−11.1% | Reduced |
| JPMorgan Chase & Co | 5,301 | $104.8K | 0.00% | −2,169−29.0% | Reduced |
| MetLife Investment Management | 5,018 | $99.2K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 3,499 | $69.2K | 0.00% | +68+2.0% | Added |
| Aquatic Capital Management LLC | 1,928 | $38.1K | 0.00% | +1,928 | New |
| BNP Paribas Arbitrage, SA | 1,794 | $35.5K | 0.00% | +238+15.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 1,737 | $34.3K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 1,454 | $28.7K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 1,400 | $27.7K | 0.00% | 00.0% | Unchanged |
| MSRH, LLC | 1,254 | $24.8K | 0.03% | +1,254 | New |
| FMR LLC | 1,147 | $22.7K | 0.00% | +164+16.7% | Added |
| Hilltop National Bank | 1,013 | $20.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 762 | $15.1K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 727 | $14.4K | 0.00% | −208−22.2% | Reduced |
| Royal Bank of Canada | 713 | $14.0K | 0.00% | +279+64.3% | Added |
| Legal & General Group Plc | 675 | $13.3K | 0.00% | 00.0% | Unchanged |
| Twin Lakes Capital Management, LLC | 611 | $12.1K | 0.01% | −57−8.5% | Reduced |
| Simplex Trading, LLC | 489 | $9.67K | 0.00% | +489 | New |
| California State Teachers Retirement System | 457 | $9.04K | 0.00% | −11−2.4% | Reduced |
| Sterling Capital Management LLC | 430 | $8.50K | 0.00% | −85−16.5% | Reduced |
| Citigroup Inc | 348 | $6.88K | 0.00% | −33−8.7% | Reduced |
| Versant Capital Management, Inc | 334 | $6.60K | 0.00% | −72−17.7% | Reduced |
| Amalgamated Bank | 234 | $5.00K | 0.00% | −36−13.3% | Reduced |
| CWM, LLC | 248 | $5.00K | 0.00% | +10+4.2% | Added |
| Cullen/Frost Bankers, Inc. | 207 | $4.09K | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 174 | $3.44K | 0.00% | −103−37.2% | Reduced |
| Montag A & Associates Inc | 133 | $2.63K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 129 | $2.55K | 0.00% | −360−73.6% | Reduced |
| Quent Capital, LLC | 118 | $2.33K | 0.00% | −37−23.9% | Reduced |
| Nisa Investment Advisors, LLC | 109 | $2.15K | 0.00% | −225−67.4% | Reduced |
| Natixis | 64 | $1.40K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 58 | $1.15K | 0.00% | 00.0% | Unchanged |
| Costello Asset Management, INC | 36 | $712 | 0.00% | 00.0% | Unchanged |
| Lummis Asset Management, LP | 36 | $712 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 31 | $613 | 0.00% | +31 | New |
| The PNC Financial Services Group, Inc. | 29 | $574 | 0.00% | −182−86.3% | Reduced |
| McMillan Office, Inc. | 28 | $554 | 0.00% | +28 | New |
| Jones Financial Companies LLLP | 25 | $494 | 0.00% | 00.0% | Unchanged |
| Laurel Wealth Advisors LLC | 18 | $356 | 0.00% | +18 | New |
| Greykasell Wealth Strategies, Inc. | 18 | $346 | 0.00% | +18 | New |
| Smartleaf Asset Management LLC | 16 | $318 | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 16 | $316 | 0.00% | +16 | New |
| SBI Securities Co., Ltd. | 14 | $277 | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 13 | $257 | 0.00% | −10−43.5% | Reduced |
| North Star Investment Management Corp. | 13 | $257 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 13 | $257 | 0.00% | +7+116.7% | Added |
| Advisor Group Holdings, Inc. | 11 | $217 | 0.00% | −133−92.4% | Reduced |