Seaport Entertainment GroupSEG
13F holders, Q3 2025 (September 30)101holders −2
17new positions
18sold out
1famous investor
$22.92avg. 13F price*
At the end of Q3 2025, 101 institutions reported holding Seaport Entertainment Group (SEG) in their 13F filings, down 2 from Q2 2025. 17 opened new positions and 18 sold out. The largest holders were Pershing Square ($115.1M), Kahn Brothers Group Inc. ($13.4M) and Dimensional Fund Advisors LP ($13.3M). One famous investor held it Bill Ackman (0.8% of Pershing Square's portfolio).
- Company
- Seaport Entertainment Group
- CUSIP
- 812215200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $28.9M |
| Exits | 18 | $2.6M |
All 13F filers, Q2 2025 → Q3 2025: 1,331,577 shares bought and 258,880 shares sold, net +1,072,697 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 101 holders
| Pershing Square | 0.79% | No change | 5,023,780 | $115.1M |
| Kahn Brothers Group Inc. | 2.51% | New | 583,364 | $13.4M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -0.7% | 579,323 | $13.3M |
| Rubric Capital Management LP | 0.17% | No change | 568,530 | $13.0M |
| BlackRock, Inc. | 0.00% | Add +1.3% | 523,520 | $12.0M |
| Vanguard Group Inc. | 0.00% | Reduce -1.8% | 460,531 | $10.6M |
| Cerity Partners LLC | 0.01% | New | 259,945 | $6.0M |
| Solas Capital Management, LLC | 3.25% | New | 232,238 | $5.3M |
| Geode Capital Management, LLC | 0.00% | Reduce -1.0% | 184,146 | $4.2M |
| State Street Corp. | 0.00% | Add +7.0% | 179,435 | $4.1M |
| Rangeley Capital, LLC | 3.39% | Reduce -2.5% | 154,000 | $3.5M |
| UBS Group AG | 0.00% | Add +1.7% | 134,979 | $3.1M |
| Ancora Advisors LLC | 0.04% | Reduce -0.3% | 86,217 | $2.0M |
| CenterBook Partners LP | 0.09% | New | 81,200 | $1.9M |
| Goldman Sachs Group Inc. | 0.00% | New | 72,805 | $1.7M |
| Alberta Investment Management Corp | 0.01% | No change | 66,352 | $1.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.9% | 64,011 | $1.5M |
| Northern Trust Corp. | 0.00% | Reduce -4.9% | 58,546 | $1.3M |
| Horizon Kinetics Asset Management LLC | 0.01% | Reduce -0.8% | 52,830 | $1.2M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -31.8% | 50,672 | $1.2M |
| Phoenix Financial Ltd. | 0.01% | Reduce -16.7% | 50,000 | $1.1M |
| Focus Partners Wealth | 0.00% | Reduce -0.3% | 50,000 | $1.1M |
| Lazard Asset Management LLC | 0.00% | Add +5647.6% | 44,889 | $1.0M |
| LPL Financial LLC | 0.00% | Reduce -1.0% | 36,373 | $834K |
| Morgan Stanley | 0.00% | Reduce -47.0% | 23,393 | $536K |
| Bank of New York Mellon Corp | 0.00% | Add +0.4% | 22,318 | $512K |
| Quantinno Capital Management LP | 0.00% | Add +9.3% | 22,191 | $509K |
| Ingalls & Snyder LLC | 0.02% | Reduce -0.1% | 21,495 | $493K |
| ArrowMark Colorado Holdings LLC | 0.01% | Reduce -6.8% | 19,833 | $455K |
| Principal Financial Group Inc. | 0.00% | Add +2.5% | 18,917 | $434K |
| T. Rowe Price Associates Inc. | 0.00% | Add +10.0% | 17,610 | $404K |
| State of New Jersey Common Pension Fund D | 0.00% | No change | 15,891 | $364K |
| Nuveen, LLC | 0.00% | No change | 13,753 | $315K |
| Proficio Capital Partners LLC | 0.02% | Add +0.1% | 13,349 | $306K |
| Sandia Investment Management LP | 0.92% | No change | 13,311 | $305K |
| O'Keefe Stevens Advisory, Inc. | 0.08% | Add +6.0% | 13,055 | $299K |
| Barclays PLC | 0.00% | Reduce -21.8% | 10,591 | $243K |
| Jane Street Group, LLC | 0.00% | New | 10,271 | $235K |
| Empirical Finance, LLC | 0.01% | New | 9,935 | $228K |
| American Century Companies Inc. | 0.00% | New | 9,402 | $215K |
| JPMorgan Chase & Co. | 0.00% | Reduce -58.5% | 7,470 | $171K |
| Rhumbline Advisers | 0.00% | Reduce -4.8% | 6,849 | $157K |
| Wells Fargo & Company | 0.00% | Add +15.8% | 6,646 | $152K |
| Bank of America Corp. | 0.00% | Reduce -40.2% | 5,926 | $136K |
| MetLife Investment Management, LLC | 0.00% | No change | 5,018 | $115K |
| Deutsche Bank AG | 0.00% | Reduce -70.6% | 3,651 | $84K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -15.9% | 3,431 | $79K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 1,737 | $40K |
| BNP Paribas Financial Markets | 0.00% | Reduce -54.5% | 1,556 | $36K |
| New York State Common Retirement Fund | 0.00% | No change | 1,454 | $33K |
| STRS Ohio | 0.00% | No change | 1,400 | $32K |
| Hilltop National Bank | 0.01% | No change | 1,013 | $23K |
| FMR LLC | 0.00% | Reduce -11.8% | 983 | $23K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -28.1% | 935 | $21K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 762 | $17K |
| Legal & General Group Plc | 0.00% | No change | 675 | $15K |
| Twin Lakes Capital Management, LLC | 0.01% | Reduce -5.8% | 668 | $15K |
| Caitong International Asset Management Co., Ltd | 0.01% | Add +86.2% | 646 | $15K |
| Sterling Capital Management LLC | 0.00% | Add +154.9% | 515 | $12K |
| Arax Advisory Partners | 0.00% | Add +365.7% | 489 | $11K |
| California State Teachers Retirement System | 0.00% | New | 468 | $11K |
| Royal Bank of Canada | 0.00% | Reduce -94.1% | 434 | $10K |
| Versant Capital Management, Inc | 0.00% | Add +21.6% | 406 | $9K |
| Citigroup Inc. | 0.00% | Reduce -87.9% | 381 | $9K |
| Nisa Investment Advisors, LLC | 0.00% | Add +206.4% | 334 | $8K |
| Comerica Bank | 0.00% | Reduce -26.9% | 277 | $6K |
| Amalgamated Bank | 0.00% | No change | 270 | $6K |
| Cwm, LLC | 0.00% | No change | 238 | $5K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -24.4% | 211 | $5K |
| Cullen/Frost Bankers, Inc. | 0.00% | No change | 207 | $5K |
| Quent Capital, LLC | 0.00% | New | 155 | $4K |
| Osaic Holdings, Inc. | 0.00% | Add +136.1% | 144 | $3K |
| Pin Oak Investment Advisors Inc. | 0.00% | Reduce -7.0% | 145 | $3K |
| Montag A & Associates Inc. | 0.00% | No change | 133 | $3K |
| Farther Finance Advisors, LLC | 0.00% | New | 83 | $2K |
| Natixis | 0.00% | No change | 64 | $2K |
| GAMMA Investing LLC | 0.00% | Reduce -68.3% | 58 | $1K |
| Leonteq Securities AG | 0.00% | Reduce -86.8% | 44 | $1K |
| Lummis Asset Management, LP | 0.00% | No change | 36 | $825 |
| Costello Asset Management, INC | 0.00% | No change | 36 | $825 |
| IFP Advisors, Inc | 0.00% | Add +16.7% | 35 | $802 |
| Jones Financial Companies LLLP | 0.00% | No change | 25 | $590 |
| Truvestments Capital LLC | 0.00% | No change | 23 | $527 |
| Advisory Services Network, LLC | 0.00% | New | 17 | $390 |
| Smartleaf Asset Management LLC | 0.00% | No change | 16 | $380 |
| MAI Capital Management | 0.00% | Reduce -12.5% | 14 | $321 |
| SBI Securities Co., Ltd. | 0.00% | No change | 14 | $321 |
| North Star Investment Management Corp. | 0.00% | No change | 13 | $298 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +57.1% | 11 | $252 |
| Binnacle Investments Inc | 0.00% | New | 8 | $183 |
| Signaturefd, LLC | 0.00% | Reduce -14.3% | 6 | $138 |
| Sunbelt Securities, Inc. | 0.00% | New | 6 | $138 |
| True Wealth Design, LLC | 0.00% | No change | 6 | $138 |
| US Bancorp \de | 0.00% | No change | 3 | $69 |
| Parallel Advisors, LLC | 0.00% | No change | 3 | $69 |
| Huntington National Bank | 0.00% | New | 2 | $46 |
| Wealthspire Advisors, LLC | 0.00% | New | 2 | $46 |
| Essential Partners LLC | 0.00% | No change | 2 | $46 |
| Turning Point Benefit Group, Inc. | 0.00% | New | 1 | $23 |
| Sachetta, LLC | 0.00% | No change | 1 | $23 |
| Covestor Ltd | 0.00% | Reduce -98.7% | 10 | $0 |
"% of holder's portfolio" is SEG's weight in each manager's 13F, not the share of Seaport Entertainment Group the manager owns.