Seaport Entertainment GroupSEG
13F holders, Q1 2026 (March 31)118holders +5
21new positions
17sold out
4famous investors
$21.58avg. 13F price*
At the end of Q1 2026, 118 institutions reported holding Seaport Entertainment Group (SEG) in their 13F filings, up 5 from Q4 2025. 21 opened new positions and 17 sold out. The largest holders were Pershing Square ($107.9M), Kahn Brothers Group Inc. ($19.2M) and Gate City Capital Management, LLC ($14.8M). 4 famous investors held it, including Bill Ackman (0.8% of Pershing Square's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Seaport Entertainment Group
- CUSIP
- 812215200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $3.7M |
| Exits | 17 | $4.7M |
All 13F filers, Q4 2025 → Q1 2026: 998,991 shares bought and 636,144 shares sold, net +362,847 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 118 holders
| Pershing Square | 0.79% | No change | 5,023,780 | $107.9M |
| Kahn Brothers Group Inc. | 3.40% | Add +52.4% | 893,227 | $19.2M |
| Gate City Capital Management, LLC | 5.76% | Add +78.9% | 689,447 | $14.8M |
| Rubric Capital Management LP | 0.15% | No change | 568,530 | $12.2M |
| BlackRock, Inc. | 0.00% | Reduce -1.6% | 505,629 | $10.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -12.4% | 455,147 | $9.8M |
| Vanguard Capital Management LLC | 0.00% | — | 327,685 | $7.0M |
| Cerity Partners LLC | 0.01% | Add +24.0% | 318,919 | $6.9M |
| Solas Capital Management, LLC | 2.75% | Reduce -2.0% | 222,918 | $4.8M |
| Geode Capital Management, LLC | 0.00% | Add +3.5% | 185,020 | $4.0M |
| State Street Corp. | 0.00% | Add +0.6% | 177,981 | $3.8M |
| Rangeley Capital, LLC | 3.58% | No change | 153,517 | $3.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +31.3% | 104,196 | $2.2M |
| Peapod Lane Capital LLC | 1.62% | New | 92,506 | $2.0M |
| Renaissance Technologies | 0.00% | Add +123.6% | 82,300 | $1.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -3.1% | 62,006 | $1.3M |
| Northern Trust Corp. | 0.00% | Add +7.1% | 57,153 | $1.2M |
| LPL Financial LLC | 0.00% | Add +46.2% | 52,766 | $1.1M |
| Horizon Kinetics Asset Management LLC | 0.01% | Reduce -0.2% | 52,440 | $1.1M |
| Focus Partners Wealth | 0.00% | Reduce -98.8% | 596 | $1.1M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 48,264 | $1.0M |
| O'Keefe Stevens Advisory, Inc. | 0.25% | Add +236.4% | 47,670 | $1.0M |
| Lazard Asset Management LLC | 0.00% | Add +1.8% | 47,468 | $1.0M |
| Vanguard Portfolio Management LLC | 0.00% | — | 43,062 | $925K |
| Marnell Management LLC | 0.46% | No change | 32,300 | $694K |
| Gem Investment Advisors, LLC | 0.63% | Reduce -22.6% | 29,738 | $639K |
| Citadel Advisors | 0.00% | Reduce -67.7% | 25,800 | $554K |
| T. Rowe Price Associates Inc. | 0.00% | Add +15.0% | 25,651 | $551K |
| UBS Group AG | 0.00% | Reduce -79.9% | 24,460 | $525K |
| Quantinno Capital Management LP | 0.00% | Add +5.4% | 24,141 | $519K |
| AQR Capital Management | 0.00% | New | 23,230 | $499K |
| Ingalls & Snyder LLC | 0.02% | Add +0.7% | 22,134 | $475K |
| Bank of New York Mellon Corp | 0.00% | Reduce -7.4% | 20,516 | $441K |
| XTX Topco Ltd | 0.01% | Add +89.0% | 19,479 | $418K |
| Principal Financial Group Inc. | 0.00% | Reduce -0.1% | 18,410 | $395K |
| ArrowMark Colorado Holdings LLC | 0.01% | Reduce -0.7% | 18,406 | $395K |
| Trexquant Investment LP | 0.00% | New | 17,570 | $377K |
| Commerce Bank | 0.00% | Reduce -0.1% | 17,557 | $377K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 16,785 | $361K |
| State of New Jersey Common Pension Fund D | 0.00% | No change | 15,891 | $341K |
| Tidal Investments LLC | 0.00% | Reduce -1.8% | 15,851 | $340K |
| Morgan Stanley | 0.00% | Reduce -40.5% | 15,534 | $334K |
| Nuveen, LLC | 0.00% | Add +0.5% | 13,815 | $297K |
| Citizens Financial Group Inc. | 0.00% | New | 11,660 | $250K |
| Moran Wealth Management, LLC | 0.01% | New | 10,935 | $235K |
| American Century Companies Inc. | 0.00% | Reduce -0.5% | 10,644 | $229K |
| Odyssean, LLC | 0.08% | New | 9,723 | $209K |
| Deutsche Bank AG | 0.00% | Reduce -23.4% | 8,420 | $181K |
| Byrne Asset Management LLC | 0.08% | New | 6,320 | $136K |
| Rhumbline Advisers | 0.00% | Reduce -5.3% | 5,770 | $124K |
| JPMorgan Chase & Co. | 0.00% | Add +1.0% | 5,354 | $112K |
| Aquatic Capital Management LLC | 0.00% | Add +170.5% | 5,216 | $112K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.2% | 4,956 | $106K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.6% | 3,589 | $77K |
| Vanguard Global Advisers, LLC | 0.00% | — | 2,993 | $64K |
| Wells Fargo & Company | 0.00% | Reduce -66.9% | 2,988 | $64K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 1,737 | $37K |
| BNP Paribas Financial Markets | 0.00% | Reduce -4.2% | 1,718 | $37K |
| Cwm, LLC | 0.00% | Add +541.9% | 1,592 | $34K |
| Barclays PLC | 0.00% | Reduce -87.3% | 1,487 | $32K |
| New York State Common Retirement Fund | 0.00% | No change | 1,454 | $31K |
| STRS Ohio | 0.00% | No change | 1,400 | $30K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +82.1% | 1,324 | $28K |
| Msrh, LLC | 0.02% | No change | 1,254 | $27K |
| Nisa Investment Advisors, LLC | 0.00% | Add +1000.9% | 1,200 | $26K |
| Hilltop National Bank | 0.01% | No change | 1,013 | $22K |
| FMR LLC | 0.00% | Reduce -19.6% | 922 | $20K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 762 | $16K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -97.7% | 678 | $15K |
| Legal & General Group Plc | 0.00% | No change | 675 | $14K |
| Quent Capital, LLC | 0.00% | Add +469.5% | 672 | $14K |
| Citigroup Inc. | 0.00% | Add +50.9% | 525 | $11K |
| California State Teachers Retirement System | 0.00% | Reduce -11.8% | 403 | $9K |
| Versant Capital Management, Inc | 0.00% | No change | 334 | $7K |
| Essential Partners LLC | 0.00% | Add +14200.0% | 286 | $6K |
| Sterling Capital Management LLC | 0.00% | Reduce -42.6% | 247 | $5K |
| Royal Bank of Canada | 0.00% | Reduce -69.7% | 216 | $5K |
| Cullen/Frost Bankers, Inc. | 0.00% | No change | 207 | $4K |
| Montag A & Associates Inc. | 0.00% | No change | 133 | $3K |
| GAMMA Investing LLC | 0.00% | Add +81.0% | 105 | $2K |
| Assetmark, Inc. | 0.00% | New | 80 | $2K |
| Jones Financial Companies LLLP | 0.00% | Add +196.0% | 74 | $2K |
| Natixis | 0.00% | No change | 64 | $1K |
| PNC Financial Services Group, Inc. | 0.00% | Add +51.7% | 44 | $946 |
| Leonteq Securities AG | 0.00% | New | 44 | $945 |
| Lummis Asset Management, LP | 0.00% | No change | 36 | $773 |
| Costello Asset Management, INC | 0.00% | No change | 36 | $773 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +240.0% | 34 | $730 |
| McMillan Office, Inc. | 0.00% | No change | 28 | $601 |
| Allworth Financial LP | 0.00% | New | 24 | $516 |
| Bayban | 0.00% | New | 20 | $430 |
| Greykasell Wealth Strategies, Inc. | 0.00% | No change | 18 | $376 |
| Smartleaf Asset Management LLC | 0.00% | No change | 16 | $336 |
| SBI Securities Co., Ltd. | 0.00% | No change | 14 | $301 |
| North Star Investment Management Corp. | 0.00% | No change | 13 | $279 |
| Ancora Advisors LLC | 0.00% | Reduce -100.0% | 9 | $193 |
| Root Financial Partners, LLC | 0.00% | New | 9 | $193 |
| Rothschild Investment LLC | 0.00% | New | 8 | $172 |
| True Wealth Design, LLC | 0.00% | Add +14.3% | 8 | $172 |
| Osaic Holdings, Inc. | 0.00% | Reduce -27.3% | 8 | $171 |
"% of holder's portfolio" is SEG's weight in each manager's 13F, not the share of Seaport Entertainment Group the manager owns.