DOSSIER · 13F Holders · Q1 2026
SEG

SEAPORT ENTMT GROUP INC

128 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 812215200·128 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$217M
visible holders
Holders
128
filers reporting
Concentration
49.71%
Pershing Square Capital Management, L.P. #1
top holder share
AI Holders Summary · Q1 2026

128 institutions reported SEG in Q1 2026. Pershing Square Capital Management, L.P. leads at 49.7% 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
$19M893K3.40%Q1 2026
03
GATE CITY CAPITAL MANAGEMENT, LLC
CIK 0001705447
$15M689K5.76%Q1 2026
04
Rubric Capital Management LP
CIK 0001687509
$11M569K0.13%Q4 2025
05
BlackRock, Inc.
CIK 0002012383
$11M506K0.00%Q1 2026
06
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$10M455K0.00%Q1 2026
07
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$7M328K0.00%Q1 2026
08
Cerity Partners LLC
CIK 0001566475
$7M319K0.01%Q1 2026
09
Solas Capital Management, LLC
CIK 0001604867
$5M223K2.75%Q1 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$4M185K0.00%Q1 2026
11
STATE STREET CORP
CIK 0000093751
$4M178K0.00%Q1 2026
12
Rangeley Capital, LLC
CIK 0001517796
$3M154K3.20%Q1 2026
13
Peapod Lane Capital LLC
CIK 0002050979
$3M110K1.97%Q2 2026
14
GOLDMAN SACHS GROUP INC
CIK 0000886982
$2M104K0.00%Q1 2026
15
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$2M82K0.00%Q1 2026
16
CITADEL ADVISORS LLC
CIK 0001423053
$2M80K0.00%Q4 2025
17
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$1M62K0.00%Q1 2026
18
O'Keefe Stevens Advisory, Inc.
CIK 0001780565
$1M49K0.27%Q2 2026
19
NORTHERN TRUST CORP
CIK 0000073124· Index
$1M57K0.00%Q1 2026
20
Focus Partners Wealth
CIK 0001542153
$1M50K0.00%Q4 2025
Page 1 of 7
108 more holders available. Log in →
Insiders at SEAPORT ENTMT GROUP INC
Hirsh David Z.Partridge Matthew MorrisCrawford Michael AnthonyDigilio Monica SElaiwat LenahFato LucianaNikodemus Anton D.Massaro Anthony F