13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
SMHI

SEACOR MARINE HLDGS INC

94 institutions still hold SEACOR MARINE HLDGS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 78413P101·94 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 1.9%
vs prior quarter
13F value held
$75M
45.0% inst. owned
of float
Holders
94
-45 QoQ
filers reporting
Activity
+8 / −61
+811 added · −755 reduced
this quarter
Concentration
14.70%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

94 institutions reported SMHI in Q1 2026. BlackRock, Inc. leads at 14.7% of the visible book. -45 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$11M1.5M0.00%Q1 202602
Oppenheimer & Close, LLC
CIK 0001591377
$10M1.4M6.24%Q1 202603
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$9M1.3M0.00%Q1 202604
First Eagle Investment Management, LLC
CIK 0001325447
$8M1.1M0.01%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$7M1.0M0.00%Q1 202606
ROBOTTI ROBERT
CIK 0001105838
$5M768K0.86%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$4M504K0.00%Q1 202608
STATE STREET CORP
CIK 0000093751
$4M499K0.00%Q1 202609
Cerity Partners LLC
CIK 0001566475
$3M435K0.00%Q1 202610
FIRST MANHATTAN CO. LLC.
CIK 0000728083
$2M321K0.01%Q1 202611
MORGAN STANLEY
CIK 0000895421
$2M252K0.00%Q1 202612
Glenorchy Capital Ltd
CIK 0002008506
$2M211K0.09%Q1 202613
NORTHERN TRUST CORP
CIK 0000073124· Index
$1M195K0.00%Q1 202614
OPPENHEIMER & CO INC
CIK 0000822581
$1M221K0.02%Q4 202515
SEMPER AUGUSTUS INVESTMENTS GROUP LLC
CIK 0001115373
$1M208K0.14%Q4 202516
JPMORGAN CHASE & CO
CIK 0000019617
$1M147K0.00%Q1 202617
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$961,932134K0.00%Q1 202618
HighTower Advisors, LLC
CIK 0001462245
$922,029129K0.00%Q1 202619
Vanguard Portfolio Management
CIK 0002100121
$905,769127K0.00%Q1 202620
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$862,064120K0.00%Q1 2026
Page 1 of 5
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