Seaport Entertainment GroupSEG
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 113 institutions reported holding Seaport Entertainment Group (SEG) in their 13F filings, up 12 from Q3 2025. 19 opened new positions and 11 sold out. The largest holders were Pershing Square ($99.3M), Kahn Brothers Group Inc. ($11.6M) and Rubric Capital Management LP ($11.2M). 4 famous investors held it, including Bill Ackman (0.6% of Pershing Square's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Seaport Entertainment Group
- CUSIP
- 812215200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $12.8M |
| Exits | 11 | $2.7M |
All 13F filers, Q3 2025 → Q4 2025: 679,324 shares bought and 289,211 shares sold, net +390,113 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 113 holders
| Pershing Square | 0.64% | No change | 5,023,780 | $99.3M |
| Kahn Brothers Group Inc. | 2.05% | Add +0.5% | 586,170 | $11.6M |
| Rubric Capital Management LP | 0.13% | No change | 568,530 | $11.2M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -10.3% | 519,898 | $10.3M |
| BlackRock, Inc. | 0.00% | Reduce -1.8% | 514,035 | $10.2M |
| Vanguard Group Inc. | 0.00% | Reduce -1.4% | 454,191 | $9.0M |
| Gate City Capital Management, LLC | 3.30% | New | 385,326 | $7.6M |
| Cerity Partners LLC | 0.01% | Reduce -1.1% | 257,222 | $5.1M |
| Solas Capital Management, LLC | 2.55% | Reduce -2.0% | 227,578 | $4.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.9% | 178,757 | $3.5M |
| State Street Corp. | 0.00% | Reduce -1.4% | 177,000 | $3.5M |
| Rangeley Capital, LLC | 2.65% | Reduce -0.3% | 153,517 | $3.0M |
| UBS Group AG | 0.00% | Reduce -9.7% | 121,931 | $2.4M |
| Citadel Advisors | 0.00% | New | 79,940 | $1.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +9.0% | 79,365 | $1.6M |
| Alberta Investment Management Corp | 0.01% | No change | 66,352 | $1.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.1% | 63,978 | $1.3M |
| Focus Partners Wealth | 0.00% | Add +0.2% | 50,078 | $1.1M |
| Ancora Advisors LLC | 0.02% | Reduce -38.0% | 53,491 | $1.1M |
| Northern Trust Corp. | 0.00% | Reduce -8.9% | 53,354 | $1.1M |
| Horizon Kinetics Asset Management LLC | 0.01% | Reduce -0.6% | 52,522 | $1.0M |
| Phoenix Financial Ltd. | 0.01% | No change | 50,000 | $989K |
| Lazard Asset Management LLC | 0.00% | Add +3.9% | 46,622 | $922K |
| Gem Investment Advisors, LLC | 0.72% | — | 38,448 | $760K |
| Renaissance Technologies | 0.00% | New | 36,800 | $728K |
| LPL Financial LLC | 0.00% | Reduce -0.8% | 36,094 | $714K |
| Marshall Wace, LLP | 0.00% | New | 33,154 | $655K |
| Marnell Management LLC | 0.49% | — | 32,300 | $639K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -42.4% | 29,209 | $577K |
| Morgan Stanley | 0.00% | Add +11.6% | 26,105 | $516K |
| Quantinno Capital Management LP | 0.00% | Add +3.2% | 22,906 | $453K |
| T. Rowe Price Associates Inc. | 0.00% | Add +26.7% | 22,310 | $442K |
| Los Angeles Capital Management LLC | 0.00% | New | 18,170 | $439K |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.7% | 22,156 | $438K |
| Ingalls & Snyder LLC | 0.02% | Add +2.3% | 21,987 | $435K |
| ArrowMark Colorado Holdings LLC | 0.01% | Reduce -6.6% | 18,527 | $366K |
| Principal Financial Group Inc. | 0.00% | Reduce -2.6% | 18,423 | $364K |
| Commerce Bank | 0.00% | New | 17,565 | $347K |
| Global Strategic Management Inc. | 0.28% | — | 17,300 | $341K |
| Bridgeway Capital Management, LLC | 0.01% | New | 16,785 | $332K |
| Tidal Investments LLC | 0.00% | New | 16,144 | $319K |
| State of New Jersey Common Pension Fund D | 0.00% | No change | 15,891 | $314K |
| O'Keefe Stevens Advisory, Inc. | 0.07% | Add +8.6% | 14,171 | $280K |
| Nuveen, LLC | 0.00% | No change | 13,753 | $272K |
| Jump Financial, LLC | 0.00% | New | 12,951 | $256K |
| Jane Street Group, LLC | 0.00% | Add +23.1% | 12,643 | $250K |
| Barclays PLC | 0.00% | Add +10.2% | 11,666 | $231K |
| Millennium Management | 0.00% | New | 11,563 | $229K |
| Deutsche Bank AG | 0.00% | Add +201.2% | 10,998 | $217K |
| American Century Companies Inc. | 0.00% | Add +13.8% | 10,696 | $211K |
| XTX Topco Ltd | 0.01% | New | 10,308 | $204K |
| Wells Fargo & Company | 0.00% | Add +36.0% | 9,037 | $179K |
| Bank of America Corp. | 0.00% | Add +33.0% | 7,884 | $156K |
| Rhumbline Advisers | 0.00% | Reduce -11.1% | 6,091 | $120K |
| JPMorgan Chase & Co. | 0.00% | Reduce -29.0% | 5,301 | $105K |
| MetLife Investment Management, LLC | 0.00% | No change | 5,018 | $99K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.0% | 3,499 | $69K |
| Aquatic Capital Management LLC | 0.00% | New | 1,928 | $38K |
| BNP Paribas Financial Markets | 0.00% | Add +15.3% | 1,794 | $35K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 1,737 | $34K |
| New York State Common Retirement Fund | 0.00% | No change | 1,454 | $29K |
| STRS Ohio | 0.00% | No change | 1,400 | $28K |
| Msrh, LLC | 0.03% | — | 1,254 | $25K |
| FMR LLC | 0.00% | Add +16.7% | 1,147 | $23K |
| Hilltop National Bank | 0.00% | No change | 1,013 | $20K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 762 | $15K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -22.3% | 727 | $14K |
| Royal Bank of Canada | 0.00% | Add +64.3% | 713 | $14K |
| Legal & General Group Plc | 0.00% | No change | 675 | $13K |
| Twin Lakes Capital Management, LLC | 0.01% | Reduce -8.5% | 611 | $12K |
| Simplex Trading, LLC | 0.00% | New | 489 | $10K |
| California State Teachers Retirement System | 0.00% | Reduce -2.4% | 457 | $9K |
| Sterling Capital Management LLC | 0.00% | Reduce -16.5% | 430 | $9K |
| Citigroup Inc. | 0.00% | Reduce -8.7% | 348 | $7K |
| Versant Capital Management, Inc | 0.00% | Reduce -17.7% | 334 | $7K |
| Amalgamated Bank | 0.00% | Reduce -13.3% | 234 | $5K |
| Cwm, LLC | 0.00% | Add +4.2% | 248 | $5K |
| Cullen/Frost Bankers, Inc. | 0.00% | No change | 207 | $4K |
| Comerica Bank | 0.00% | Reduce -37.2% | 174 | $3K |
| Montag A & Associates Inc. | 0.00% | No change | 133 | $3K |
| Arax Advisory Partners | 0.00% | Reduce -73.6% | 129 | $3K |
| Quent Capital, LLC | 0.00% | Reduce -23.9% | 118 | $2K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -67.4% | 109 | $2K |
| Natixis | 0.00% | No change | 64 | $1K |
| GAMMA Investing LLC | 0.00% | No change | 58 | $1K |
| Lummis Asset Management, LP | 0.00% | No change | 36 | $712 |
| Costello Asset Management, INC | 0.00% | No change | 36 | $712 |
| Global Retirement Partners, LLC | 0.00% | New | 31 | $613 |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -86.3% | 29 | $574 |
| McMillan Office, Inc. | 0.00% | — | 28 | $554 |
| Jones Financial Companies LLLP | 0.00% | No change | 25 | $494 |
| Laurel Wealth Advisors LLC | 0.00% | New | 18 | $356 |
| Greykasell Wealth Strategies, Inc. | 0.00% | New | 18 | $346 |
| Smartleaf Asset Management LLC | 0.00% | No change | 16 | $318 |
| Transamerica Financial Advisors, LLC | 0.00% | New | 16 | $316 |
| SBI Securities Co., Ltd. | 0.00% | No change | 14 | $277 |
| North Star Investment Management Corp. | 0.00% | No change | 13 | $257 |
| Signaturefd, LLC | 0.00% | Add +116.7% | 13 | $257 |
| Truvestments Capital LLC | 0.00% | Reduce -43.5% | 13 | $257 |
| Osaic Holdings, Inc. | 0.00% | Reduce -92.4% | 11 | $217 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -9.1% | 10 | $198 |
| True Wealth Design, LLC | 0.00% | Add +16.7% | 7 | $139 |
| Sunbelt Securities, Inc. | 0.00% | No change | 6 | $119 |
| US Bancorp \de | 0.00% | No change | 3 | $59 |
| Parallel Advisors, LLC | 0.00% | No change | 3 | $59 |
| IFP Advisors, Inc | 0.00% | Reduce -94.3% | 2 | $40 |
| Essential Partners LLC | 0.00% | No change | 2 | $40 |
| Huntington National Bank | 0.00% | Reduce -50.0% | 1 | $20 |
| Game Plan Financial Advisors, LLC | 0.00% | New | 1 | $20 |
| Sachetta, LLC | 0.00% | No change | 1 | $20 |
| Elyxium Wealth, LLC | 0.00% | New | 1 | $20 |
| Turning Point Benefit Group, Inc. | 0.00% | No change | 1 | $19 |
| Covestor Ltd | 0.00% | No change | 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.