DOSSIER · 13F Holders · Q1 2026
SEG

SEAPORT ENTMT GROUP INC

124 institutions still hold SEAPORT ENTMT GROUP INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 812215200·124 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$253M
visible holders
Holders
124
filers reporting
Concentration
42.73%
Pershing Square Capital Management, L.P. #1
top holder share
AI Holders Summary · Q1 2026

124 institutions reported SEG in Q1 2026. Pershing Square Capital Management, L.P. leads at 42.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Pershing Square Capital Management, L.P.
CIK 0001336528
$108M5.0M0.79%Q1 2026
02
KAHN BROTHERS GROUP INC
CIK 0001039565
$24M917K3.86%Q2 2026
03
GATE CITY CAPITAL MANAGEMENT, LLC
CIK 0001705447
$19M723K4.99%Q2 2026
04
Rubric Capital Management LP
CIK 0001687509
$15M569K0.14%Q2 2026
05
BlackRock, Inc.
CIK 0002012383
$15M553K0.00%Q2 2026
06
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$11M397K0.00%Q2 2026
07
Vanguard Portfolio Management
CIK 0002100121· Index
$10M384K0.00%Q2 2026
08
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$9M344K0.00%Q2 2026
09
Cerity Partners LLC
CIK 0001566475
$8M315K0.01%Q2 2026
10
Solas Capital Management, LLC
CIK 0001604867
$6M213K3.03%Q2 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$6M208K0.00%Q2 2026
12
STATE STREET CORP
CIK 0000093751
$5M186K0.00%Q2 2026
13
Rangeley Capital, LLC
CIK 0001517796
$3M154K3.20%Q1 2026
14
GOLDMAN SACHS GROUP INC
CIK 0000886982
$3M117K0.00%Q2 2026
15
Peapod Lane Capital LLC
CIK 0002050979
$3M110K1.97%Q2 2026
16
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$2M64K0.00%Q2 2026
17
NORTHERN TRUST CORP
CIK 0000073124· Index
$2M60K0.00%Q2 2026
18
LPL Financial LLC
CIK 0001403438
$1M52K0.00%Q2 2026
19
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$1M51K0.00%Q2 2026
20
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$1M51K0.00%Q2 2026
Page 1 of 7
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Insiders at SEAPORT ENTMT GROUP INC
Sachs Rebecca E.Partridge Matthew MorrisElaiwat LenahHirsh David Z.Crawford Michael AnthonyDigilio Monica SFato LucianaNikodemus Anton D.