SEACOR Marine Holdings
SMHI
91 hedge funds and large institutions have $75.3M invested in SEACOR Marine Holdings in 2025 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 23 increasing their positions, 32 reducing their positions, and 2 closing their positions.
500% more first-time investments, than exits
New positions opened: 12 | Existing positions closed: 2
409% more call options, than puts
Call options by funds: $163K | Put options by funds: $32K
25% more capital invested
Capital invested by funds: $60.4M → $75.3M (+$14.9M)
12% more funds holding
Funds holding: 81 → 91 (+10)
1.1% less ownership
Funds ownership: 44.1% → 43% (-1.1%)
28% less repeat investments, than reductions
Existing positions increased: 23 | Existing positions reduced: 32
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$249K |
| 2 |
D.E. Shaw & Co
New York
|
+$192K |
| 3 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$186K |
| 4 |
JP Morgan Chase
New York
|
+$182K |
| 5 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$172K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
-$712K |
| 2 |
BlackRock
New York
|
-$538K |
| 3 |
Dimensional Fund Advisors
Austin,
Texas
|
-$252K |
| 4 |
Renaissance Technologies
New York
|
-$205K |
| 5 |
Millennium Management
New York
|
-$200K |
SMHI Hedge Fund Activity: Q3 2025 in Review
91 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in SEACOR Marine Holdings (SMHI) for Q3 2025, worth a combined $75.3M — up 25% from $60.4M a quarter earlier.
Buyers outnumbered sellers: 12 funds opened new SMHI positions and 2 closed out — a net gain of 10 holders — while 23 added to existing stakes and 32 trimmed.
The largest buyer was Jane Street, adding an estimated $249K. The largest seller was Vanguard Group, cutting an estimated $712K.
- 91 institutional investors held SEACOR Marine Holdings (SMHI) as of Q3 2025, up from 81 in Q2 2025.
- Funds reported $75.3M of SEACOR Marine Holdings stock for Q3 2025, up 25% quarter-over-quarter.
- 12 funds opened new SEACOR Marine Holdings positions in Q3 2025 and 2 closed out, a net change of +10 holders.
- The largest SEACOR Marine Holdings buyer in Q3 2025 was Jane Street, an estimated $249K added.
- The largest SEACOR Marine Holdings seller in Q3 2025 was Vanguard Group, an estimated $712K sold.
Based on aggregated 13F filings for Q3 2025.