Seaport Entertainment GroupSEG

13F holders, Q4 2025 (December 31)
113holders +12
19new positions
11sold out
4famous investors
$19.79avg. 13F price*

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

050100150 Q3 2024: 118Q3 2024Q4 2024: 127Q4 2024Q1 2025: 120Q1 2025Q2 2025: 103Q2 2025Q3 2025: 101Q3 2025Q4 2025: 113Q4 2025Q1 2026: 118Q1 2026Q2 2026: 116Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions19$12.8M
Exits11$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.