DOSSIER · 13F Holders · Q1 2026
SMHI

SEACOR MARINE HLDGS INC

98 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 78413P101·98 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$75M
visible holders
Holders
98
filers reporting
Concentration
14.70%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

98 institutions reported SMHI in Q1 2026. BlackRock, Inc. leads at 14.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$11M1.5M0.00%Q1 2026
02
Oppenheimer & Close, LLC
CIK 0001591377
$10M1.4M6.24%Q1 2026
03
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$9M1.3M0.00%Q1 2026
04
First Eagle Investment Management, LLC
CIK 0001325447
$8M1.1M0.01%Q1 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$7M1.0M0.00%Q1 2026
06
ROBOTTI ROBERT
CIK 0001105838
$5M768K0.86%Q1 2026
07
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$4M504K0.00%Q1 2026
08
STATE STREET CORP
CIK 0000093751
$4M499K0.00%Q1 2026
09
Cerity Partners LLC
CIK 0001566475
$3M435K0.00%Q1 2026
10
FIRST MANHATTAN CO. LLC.
CIK 0000728083
$2M321K0.01%Q1 2026
11
MORGAN STANLEY
CIK 0000895421
$2M252K0.00%Q1 2026
12
Glenorchy Capital Ltd
CIK 0002008506
$2M211K0.09%Q1 2026
13
NORTHERN TRUST CORP
CIK 0000073124· Index
$1M195K0.00%Q1 2026
14
OPPENHEIMER & CO INC
CIK 0000822581
$1M221K0.02%Q4 2025
15
SEMPER AUGUSTUS INVESTMENTS GROUP LLC
CIK 0001115373
$1M208K0.14%Q4 2025
16
JPMORGAN CHASE & CO
CIK 0000019617
$1M147K0.00%Q1 2026
17
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$962K134K0.00%Q1 2026
18
HighTower Advisors, LLC
CIK 0001462245
$922K129K0.00%Q1 2026
19
Vanguard Portfolio Management
CIK 0002100121· Index
$906K127K0.00%Q1 2026
20
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$862K120K0.00%Q1 2026
Page 1 of 5
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Insiders at SEACOR MARINE HLDGS INC
Llorca JesusEverett Andrew H IiRossmiller Gregory ScottMiguel Bejos AlfredoMorse Andrew RRegan Robert ChristopherPersily JulieGellert John M