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SEACOR Marine Holdings

91 hedge funds and large institutions have $84.2M invested in SEACOR Marine Holdings in 2026 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 20 increasing their positions, 31 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

133% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 9

24% more capital invested

Capital invested by funds: $67.8M → $84.2M (+$16.4M)

12% more funds holding

Funds holding: 8191 (+10)

1.88% more ownership

Funds ownership: 41.74%43.62% (+1.9%)

35% less repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 31

89% less call options, than puts

Call options by funds: $4K | Put options by funds: $36K

Holders
91
Holders Change
+10
Holders Change %
+12.35%
% of All Funds
1.12%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
21
Increased
20
Reduced
31
Closed
9
Calls
$4K
Puts
$36K
Net Calls
-$32K
Net Calls Change
-$15K
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$11M -$150K -21,273 -1%
OC
2
Oppenheimer & Close
New York
$9.89M +$5.82M +827,534 +149%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$8.97M -$220K -31,284 -2%
First Eagle Investment Management
4
First Eagle Investment Management
New York
$7.66M -$286K -40,678 -4%
VCM
5
Vanguard Capital Management
Pennsylvania
$7.29M +$7.16M +1,017,787 New
RR
6
Robotti Robert
$5.5M -$528K -75,000 -9%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$3.61M +$126K +17,881 +4%
State Street
8
State Street
Massachusetts
$3.57M -$246K -34,898 -7%
Cerity Partners
9
Cerity Partners
New York
$3.11M -$978 -139 -0%
First Manhattan
10
First Manhattan
New York
$2.3M -$409K -58,160 -15%
Morgan Stanley
11
Morgan Stanley
New York
$1.81M +$31.9K +4,536 +2%
OC
12
Oppenheimer & Co
New York
$1.6M +$17.6K +2,500 +1%
GC
13
Glenorchy Capital
Australia
$1.51M +$128K +18,124 +9%
SAIG
14
Semper Augustus Investments Group
Colorado
$1.49M
Northern Trust
15
Northern Trust
Illinois
$1.4M +$85.3K +12,118 +7%
JP Morgan Chase
16
JP Morgan Chase
New York
$1.1M -$161K -22,805 -13%
VFT
17
Vanguard Fiduciary Trust
Pennsylvania
$962K +$946K +134,348 New
HighTower Advisors
18
HighTower Advisors
Illinois
$922K -$5.79K -823 -0.6%
VPM
19
Vanguard Portfolio Management
Pennsylvania
$906K +$890K +126,504 New
Renaissance Technologies
20
Renaissance Technologies
New York
$862K +$14.8K +2,100 +2%
Citadel Advisors
21
Citadel Advisors
Florida
$855K +$521K +74,085 +163%
Goldman Sachs
22
Goldman Sachs
New York
$643K -$146K -20,703 -19%
N
23
Nuveen
North Carolina
$504K +$4.55K +646 +0.9%
UBS Group
24
UBS Group
Switzerland
$466K +$386K +54,851 +537%
BCM
25
Bridgeway Capital Management
Texas
$459K -$98.5K -14,000 -18%

SMHI Hedge Fund Activity: Q1 2026 in Review

91 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in SEACOR Marine Holdings (SMHI) for Q1 2026, worth a combined $84.2M — up 24% from $67.8M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new SMHI positions and 9 closed out — a net gain of 12 holders — while 20 added to existing stakes and 31 trimmed.

The largest buyer was Oppenheimer & Close, adding an estimated $5.82M. The largest seller was Epacria Capital Partners, exiting entirely with an estimated $934K sold.

  • 91 institutional investors held SEACOR Marine Holdings (SMHI) as of Q1 2026, up from 81 in Q4 2025.
  • Funds reported $84.2M of SEACOR Marine Holdings stock for Q1 2026, up 24% quarter-over-quarter.
  • 21 funds opened new SEACOR Marine Holdings positions in Q1 2026 and 9 closed out, a net change of +12 holders.
  • The largest SEACOR Marine Holdings buyer in Q1 2026 was Oppenheimer & Close, an estimated $5.82M added.
  • The largest SEACOR Marine Holdings seller in Q1 2026 was Epacria Capital Partners, an estimated $934K sold.

Based on aggregated 13F filings for Q1 2026.