Seaport Entertainment Group Inc. - SEG

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Pershing Square Capital Management, L.P. History No change 5,023,780 107,910 0.79% 0.64% 1 0 0.0% Q1 2026 May 15, 2026
KAHN BROTHERS GROUP INC History Added to 893,227 19,186 3.4% 2.05% 2 +307,057 52.38% Q1 2026 May 08, 2026
GATE CITY CAPITAL MANAGEMENT, LLC History Added to 689,447 14,809 5.76% 3.3% 3 +304,121 78.93% Q1 2026 May 15, 2026
Rubric Capital Management LP History No change 568,530 12,212 0.13% 0.13% 4 0 0.0% Q1 2026 May 15, 2026
BlackRock, Inc. History Reduced 505,629 10,860 0.0% 0.0% 5 -8,406 -1.64% Q1 2026 May 13, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 455,147 9,776 0.0% 0.0% 6 -64,751 -12.45% Q1 2026 May 07, 2026
VANGUARD GROUP INC History No change 454,191 8,979 0.0% 0.0% 7 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 327,685 7,038 0.0% 8 +327,685 New Q1 2026 May 15, 2026
Cerity Partners LLC History Added to 318,919 6,850 0.01% 0.01% 9 +61,697 23.99% Q1 2026 May 15, 2026
Solas Capital Management, LLC History Reduced 222,918 4,788 2.75% 2.55% 10 -4,660 -2.05% Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 185,020 3,975 0.0% 0.0% 11 +6,263 3.5% Q1 2026 May 15, 2026
STATE STREET CORP History Added to 177,981 3,823 0.0% 0.0% 12 +981 0.55% Q1 2026 May 15, 2026
Rangeley Capital, LLC History No change 153,517 3,297 3.2% 2.52% 13 0 0.0% Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History Added to 104,196 2,238 0.0% 0.0% 14 +24,831 31.29% Q1 2026 May 15, 2026
Peapod Lane Capital LLC History New 92,506 1,971 1.62% 15 +92,506 New Q1 2026 May 01, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 82,300 1,767 0.0% 0.0% 16 +45,500 123.64% Q1 2026 May 14, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 62,006 1,331 0.0% 0.0% 17 -1,972 -3.08% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Added to 57,153 1,227 0.0% 0.0% 18 +3,799 7.12% Q1 2026 May 14, 2026
LPL Financial LLC History Added to 52,766 1,133 0.0% 0.0% 19 +16,672 46.19% Q1 2026 May 06, 2026
HORIZON KINETICS ASSET MANAGEMENT LLC History Reduced 52,440 1,126 0.01% 0.01% 20 -82 -0.16% Q1 2026 May 15, 2026
Focus Partners Wealth History Reduced 596 1,086 0.0% 0.0% 21 -49,482 -98.81% Q1 2026 May 14, 2026
VANGUARD FIDUCIARY TRUST CO History New 48,264 1,036 0.0% 22 +48,264 New Q1 2026 May 08, 2026
O'Keefe Stevens Advisory, Inc. History Added to 47,670 1,023 0.25% 0.07% 23 +33,499 236.39% Q1 2026 Apr 07, 2026
LAZARD ASSET MANAGEMENT LLC History Added to 47,468 1,019 0.0% 0.0% 24 +846 1.81% Q1 2026 May 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 43,062 924 0.0% 25 +43,062 New Q1 2026 May 08, 2026
CITADEL ADVISORS LLC History Reduced 36,400 781 0.0% 0.0% 26 -43,540 -54.47% Q1 2026 May 15, 2026
Marnell Management LLC History No change 32,300 693 0.24% 0.31% 27 0 0.0% Q1 2026 May 14, 2026
Gem Investment Advisors, LLC History Reduced 29,738 638 0.63% 0.72% 28 -8,710 -22.65% Q1 2026 May 14, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Added to 25,651 551 0.0% 0.0% 29 +3,341 14.98% Q1 2026 May 15, 2026
UBS Group AG History Reduced 24,460 525 0.0% 0.0% 30 -97,471 -79.94% Q1 2026 May 05, 2026
Quantinno Capital Management LP History Added to 24,141 518 0.0% 0.0% 31 +1,235 5.39% Q1 2026 May 15, 2026
AQR CAPITAL MANAGEMENT LLC History New 23,230 498 0.0% 32 +23,230 New Q1 2026 May 15, 2026
INGALLS & SNYDER LLC History Added to 22,134 475 0.02% 0.02% 33 +147 0.67% Q1 2026 May 13, 2026
Bank of New York Mellon Corp History Reduced 20,516 440 0.0% 0.0% 34 -1,640 -7.4% Q1 2026 May 05, 2026
XTX Topco Ltd History Added to 19,479 418 0.01% 0.01% 35 +9,171 88.97% Q1 2026 May 15, 2026
ArrowMark Colorado Holdings LLC History Reduced 18,406 395 0.01% 0.01% 37 -121 -0.65% Q1 2026 May 15, 2026
PRINCIPAL FINANCIAL GROUP INC History Reduced 18,410 395 0.0% 0.0% 36 -13 -0.07% Q1 2026 May 04, 2026
Trexquant Investment LP History New 17,570 377 0.0% 39 +17,570 New Q1 2026 May 15, 2026
COMMERCE BANK History Reduced 17,557 377 0.0% 0.0% 38 -8 -0.05% Q1 2026 May 11, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 16,785 360 0.01% 0.01% 40 0 0.0% Q1 2026 May 15, 2026
State of New Jersey Common Pension Fund D History No change 15,891 341 0.0% 0.0% 41 0 0.0% Q1 2026 May 05, 2026
Tidal Investments LLC History Reduced 15,851 340 0.0% 0.0% 42 -293 -1.81% Q1 2026 May 15, 2026
MORGAN STANLEY History Reduced 15,534 333 0.0% 0.0% 43 -10,571 -40.49% Q1 2026 May 15, 2026
Nuveen, LLC History Added to 13,815 296 0.0% 0.0% 44 +62 0.45% Q1 2026 Apr 30, 2026
CITIZENS FINANCIAL GROUP INC/RI History New 11,660 250 0.0% 45 +11,660 New Q1 2026 May 01, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 11,100 238 0.0% 46 +11,100 New Q1 2026 May 15, 2026
Moran Wealth Management, LLC History New 10,935 234 0.01% 47 +10,935 New Q1 2026 Apr 27, 2026
AMERICAN CENTURY COMPANIES INC History Reduced 10,644 228 0.0% 0.0% 48 -52 -0.49% Q1 2026 May 15, 2026
Odyssean, LLC History New 9,723 208 0.08% 49 +9,723 New Q1 2026 May 15, 2026
DEUTSCHE BANK AG\ History Reduced 8,420 180 0.0% 0.0% 50 -2,578 -23.44% Q1 2026 May 06, 2026
Byrne Asset Management LLC History New 6,320 135 0.08% 51 +6,320 New Q1 2026 Apr 02, 2026
RHUMBLINE ADVISERS History Reduced 5,770 123 0.0% 0.0% 52 -321 -5.27% Q1 2026 May 12, 2026
Aquatic Capital Management LLC History Added to 5,216 112 0.0% 0.0% 54 +3,288 170.54% Q1 2026 May 15, 2026
JPMORGAN CHASE & CO History Added to 5,354 112 0.0% 0.0% 53 +53 1.0% Q1 2026 May 13, 2026
MetLife Investment Management, LLC History Reduced 4,956 106 0.0% 0.0% 55 -62 -1.24% Q1 2026 May 14, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 3,589 77 0.0% 0.0% 56 +90 2.57% Q1 2026 May 15, 2026
WELLS FARGO & COMPANY/MN History Reduced 2,988 64 0.0% 0.0% 57 -6,049 -66.94% Q1 2026 May 11, 2026
Vanguard Global Advisers, LLC History New 2,993 64 0.0% 58 +2,993 New Q1 2026 May 08, 2026
Police & Firemen's Retirement System of New Jersey History No change 1,737 37 0.0% 0.0% 59 0 0.0% Q1 2026 Apr 29, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 1,718 36 0.0% 0.0% 60 -76 -4.24% Q1 2026 May 12, 2026
CWM, LLC History Added to 1,592 34 0.0% 0.0% 61 +1,344 541.94% Q1 2026 May 14, 2026
BARCLAYS PLC History Reduced 1,487 31 0.0% 0.0% 62 -10,179 -87.25% Q1 2026 May 14, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 1,454 31 0.0% 0.0% 63 0 0.0% Q1 2026 May 06, 2026
STRS OHIO History No change 1,400 30 0.0% 0.0% 64 0 0.0% Q1 2026 Apr 24, 2026
Tower Research Capital LLC (TRC) History Added to 1,324 28 0.0% 0.0% 65 +597 82.12% Q1 2026 May 15, 2026
MSRH, LLC History No change 1,254 26 0.02% 0.03% 66 0 0.0% Q1 2026 May 11, 2026
NISA INVESTMENT ADVISORS, LLC History Added to 1,200 25 0.0% 0.0% 67 +1,091 1000.92% Q1 2026 Apr 30, 2026
Hilltop National Bank History No change 1,013 21 0.0% 0.0% 68 0 0.0% Q1 2026 Apr 02, 2026
FMR LLC History Reduced 922 19 0.0% 0.0% 69 -225 -19.62% Q1 2026 May 15, 2026
Ameritas Investment Partners, Inc. History No change 762 16 0.0% 0.0% 70 0 0.0% Q1 2026 May 13, 2026
Russell Investments Group, Ltd. History Reduced 678 14 0.0% 0.0% 72 -28,531 -97.68% Q1 2026 May 08, 2026
Quent Capital, LLC History Added to 672 14 0.0% 0.0% 73 +554 469.49% Q1 2026 Apr 28, 2026
Legal & General Group Plc History No change 675 14 0.0% 0.0% 71 0 0.0% Q1 2026 May 08, 2026
CITIGROUP INC History Added to 525 11 0.0% 0.0% 74 +177 50.86% Q1 2026 May 11, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 403 8 0.0% 0.0% 75 -54 -11.82% Q1 2026 May 15, 2026
Versant Capital Management, Inc History No change 334 7 0.0% 0.0% 76 0 0.0% Q1 2026 Apr 06, 2026
Essential Partners LLC History Added to 286 6 0.0% 77 +284 14200.0% Q1 2026 May 21, 2026
ROYAL BANK OF CANADA History Reduced 216 5 0.0% 0.0% 78 -497 -69.71% Q1 2026 May 15, 2026
Sterling Capital Management LLC History Reduced 247 5 0.0% 0.0% 79 -183 -42.56% Q1 2026 Apr 22, 2026
CULLEN/FROST BANKERS, INC. History No change 207 4 0.0% 0.0% 80 0 0.0% Q1 2026 May 05, 2026
COMERICA BANK History No change 174 3 0.0% 0.0% 81 0 0.0% Q4 2025 Jan 29, 2026
GAMMA Investing LLC History Added to 105 2 0.0% 0.0% 83 +47 81.03% Q1 2026 Apr 06, 2026
MONTAG A & ASSOCIATES INC History No change 133 2 0.0% 0.0% 82 0 0.0% Q1 2026 Apr 29, 2026
ASSETMARK, INC History New 80 1 0.0% 86 +80 New Q1 2026 May 06, 2026
JONES FINANCIAL COMPANIES LLLP History Added to 74 1 0.0% 84 +49 196.0% Q1 2026 May 15, 2026
NATIXIS History No change 64 1 0.0% 0.0% 85 0 0.0% Q1 2026 May 14, 2026
Alberta Investment Management Corp History Closed out 0 0 0.01% -66,352 -100.0% Q1 2026 Apr 28, 2026
Ancora Advisors LLC History Reduced 9 0 0.02% -53,482 -99.98% Q1 2026 May 15, 2026
Phoenix Financial Ltd. History Closed out 0 0 0.01% -50,000 -100.0% Q1 2026 May 11, 2026
MARSHALL WACE, LLP History Closed out 0 0 0.0% -33,154 -100.0% Q1 2026 May 14, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History Closed out 0 0 0.0% -18,170 -100.0% Q1 2026 May 08, 2026
GLOBAL STRATEGIC MANAGEMENT INC History Closed out 0 0 0.28% -17,300 -100.0% Q1 2026 May 13, 2026
Jump Financial, LLC History Closed out 0 0 0.0% -12,951 -100.0% Q1 2026 May 14, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -12,643 -100.0% Q1 2026 May 12, 2026
MILLENNIUM MANAGEMENT LLC History Closed out 0 0 0.0% -11,563 -100.0% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 0.0% -7,884 -100.0% Q1 2026 May 15, 2026
Twin Lakes Capital Management, LLC History Closed out 0 0 0.01% -611 -100.0% Q1 2026 May 18, 2026
SIMPLEX TRADING, LLC History Closed out 0 0 0.0% -489 -100.0% Q1 2026 May 14, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -234 -100.0% Q1 2026 May 08, 2026
Arax Advisory Partners History Closed out 0 0 0.0% -129 -100.0% Q1 2026 May 13, 2026
Leonteq Securities AG History New 44 0 +44 New Q1 2026 Apr 27, 2026
EverSource Wealth Advisors, LLC History Added to 34 0 +24 240.0% Q1 2026 May 15, 2026
Allworth Financial LP History New 24 0 +24 New Q1 2026 May 14, 2026
BAYBAN History New 20 0 +20 New Q1 2026 Apr 24, 2026
Laurel Wealth Advisors LLC History Closed out 0 0 -18 -100.0% Q1 2026 May 12, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 44 0 +15 51.72% Q1 2026 May 08, 2026
Transamerica Financial Advisors, LLC History Reduced 3 0 -13 -81.25% Q1 2026 May 15, 2026
Root Financial Partners, LLC History New 9 0 +9 New Q1 2026 Apr 24, 2026
ROTHSCHILD INVESTMENT LLC History New 8 0 +8 New Q1 2026 May 07, 2026
SIGNATUREFD, LLC History Reduced 6 0 -7 -53.85% Q1 2026 Apr 07, 2026
MAI Capital Management History New 7 0 +7 New Q1 2026 May 15, 2026
Truvestments Capital LLC History Reduced 7 0 -6 -46.15% Q1 2026 May 13, 2026
Covestor Ltd History Reduced 5 0 -5 -50.0% Q1 2026 May 05, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 5 0 +5 New Q1 2026 May 13, 2026
Advisory Services Network, LLC History New 5 0 +5 New Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History Reduced 8 0 -3 -27.27% Q1 2026 May 15, 2026
IFP Advisors, Inc History Added to 4 0 +2 100.0% Q1 2026 Apr 13, 2026
Farther Finance Advisors, LLC History New 2 0 +2 New Q1 2026 Apr 07, 2026
Sunbelt Securities, Inc. History Added to 7 0 +1 16.67% Q1 2026 May 15, 2026
True Wealth Design, LLC History Added to 8 0 +1 14.29% Q1 2026 Apr 13, 2026
FIFTH THIRD BANCORP History New 1 0 +1 New Q1 2026 May 01, 2026
Rockefeller Capital Management L.P. History New 1 0 +1 New Q1 2026 May 14, 2026
SJS Investment Consulting Inc. History New 1 0 +1 New Q1 2026 Apr 23, 2026
Federation des caisses Desjardins du Quebec History New 1 0 +1 New Q1 2026 May 13, 2026
HUNTINGTON NATIONAL BANK History Closed out 0 0 -1 -100.0% Q1 2026 May 15, 2026
Turning Point Benefit Group, Inc. History Closed out 0 0 -1 -100.0% Q1 2026 May 12, 2026
Elyxium Wealth, LLC History Closed out 0 0 -1 -100.0% Q1 2026 May 06, 2026
US BANCORP \DE\ History No change 3 0 0 0.0% Q1 2026 May 14, 2026
North Star Investment Management Corp. History No change 13 0 0 0.0% Q1 2026 Apr 23, 2026
Parallel Advisors, LLC History No change 3 0 0 0.0% Q1 2026 May 07, 2026
Global Retirement Partners, LLC History No change 31 0 0 0.0% Q4 2025 Feb 06, 2026
Costello Asset Management, INC History No change 36 0 0 0.0% Q1 2026 Apr 30, 2026
Game Plan Financial Advisors, LLC History No change 1 0 0 0.0% Q1 2026 Apr 23, 2026
SBI Securities Co., Ltd. History No change 14 0 0 0.0% Q1 2026 Apr 27, 2026
Smartleaf Asset Management LLC History No change 16 0 0 0.0% Q1 2026 May 15, 2026
Sachetta, LLC History No change 1 0 0 0.0% Q1 2026 May 01, 2026
Lummis Asset Management, LP History No change 36 0 0 0.0% Q1 2026 May 11, 2026
Greykasell Wealth Strategies, Inc. History No change 18 0 0 0.0% Q1 2026 May 07, 2026
McMillan Office, Inc. History No change 28 0 0 0.0% Q1 2026 Apr 23, 2026