13F Insight
DOSSIER · 13F Holders · Q1 2026Defensive growthQuality
SEG

SEAPORT ENTMT GROUP INC

127 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 812215200·127 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 0.6%
vs prior quarter
13F value held
$216M
48.0% inst. owned
of float
Holders
127
-40 QoQ
filers reporting
Activity
+42 / −120
+1,014 added · −826 reduced
this quarter
Concentration
49.97%
Pershing Square Capital Management, L.P. #1
top holder share
AI Holders Summary · Q1 2026

127 institutions reported SEG in Q1 2026. Pershing Square Capital Management, L.P. leads at 50.0% of the visible book. -40 net institutions QoQ — distribution reading.

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 202602
KAHN BROTHERS GROUP INC
CIK 0001039565
$19M893K3.40%Q1 202603
GATE CITY CAPITAL MANAGEMENT, LLC
CIK 0001705447
$15M689K5.76%Q1 202604
Rubric Capital Management LP
CIK 0001687509
$11M569K0.13%Q4 202505
BlackRock, Inc.
CIK 0002012383
$11M506K0.00%Q1 202606
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$10M455K0.00%Q1 202607
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$7M328K0.00%Q1 202608
Cerity Partners LLC
CIK 0001566475
$7M319K0.01%Q1 202609
Solas Capital Management, LLC
CIK 0001604867
$5M223K2.75%Q1 202610
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$4M185K0.00%Q1 202611
STATE STREET CORP
CIK 0000093751
$4M178K0.00%Q1 202612
Rangeley Capital, LLC
CIK 0001517796
$3M154K3.20%Q1 202613
GOLDMAN SACHS GROUP INC
CIK 0000886982
$2M104K0.00%Q1 202614
Peapod Lane Capital LLC
CIK 0002050979
$2M93K1.62%Q1 202615
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$2M82K0.00%Q1 202616
CITADEL ADVISORS LLC
CIK 0001423053
$2M80K0.00%Q4 202517
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$1M62K0.00%Q1 202618
NORTHERN TRUST CORP
CIK 0000073124· Index
$1M57K0.00%Q1 202619
Focus Partners Wealth
CIK 0001542153
$1M50K0.00%Q4 202520
LPL Financial LLC
CIK 0001403438
$1M53K0.00%Q1 2026
Page 1 of 7
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