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Odyssey Marine Exploration

55 hedge funds and large institutions have $38.4M invested in Odyssey Marine Exploration in 2025 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 24 increasing their positions, 7 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

243% more repeat investments, than reductions

Existing positions increased: 24 | Existing positions reduced: 7

50% more first-time investments, than exits

New positions opened: 12 | Existing positions closed: 8

44% more call options, than puts

Call options by funds: $2.65M | Put options by funds: $1.84M

38% more capital invested

Capital invested by funds: $27.8M → $38.4M (+$10.6M)

6% more funds holding

Funds holding: 5255 (+3)

3.61% more ownership

Funds ownership: 31.51%35.12% (+3.6%)

Holders
55
Holders Change
+3
Holders Change %
+5.77%
% of All Funds
0.67%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
12
Increased
24
Reduced
7
Closed
8
Calls
$2.65M
Puts
$1.84M
Net Calls
+$809K
Net Calls Change
-$1.99M
Name Holding Trade Value Shares
Change
Change in
Stake
OWIM
1
Old West Investment Management
California
$10.8M +$4.21M +1,819,566 +49%
TSC
2
Two Seas Capital
New York
$10.2M +$1.42M +615,018 +13%
JFG
3
Jefferies Financial Group
New York
$2.94M +$2.55M +1,100,000 +275%
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$2.29M +$1.15M +498,168 +74%
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.7M +$528K +228,221 +36%
RC
6
Rangeley Capital
Connecticut
$1.19M +$299K +129,271 +27%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$1.1M +$352K +152,071 +37%
Renaissance Technologies
8
Renaissance Technologies
New York
$958K +$1.06M +456,642 +1,429%
Group One Trading
9
Group One Trading
Illinois
$897K -$567K -245,096 -35%
BlackRock
10
BlackRock
New York
$814K +$195K +84,304 +25%
UBS Group
11
UBS Group
Switzerland
$639K +$597K +258,073 +379%
FIA
12
Foundations Investment Advisors
Arizona
$571K +$31.2K +13,500 +5%
SH
13
SLT Holdings
Arizona
$571K +$31.2K +13,500 +5%
Jane Street
14
Jane Street
New York
$532K +$453K +195,706 +258%
MP
15
Mangrove Partners
Connecticut
$388K +$458K +197,952 New
State Street
16
State Street
Massachusetts
$383K -$41.6K -18,000 -8%
Simplex Trading
17
Simplex Trading
Illinois
$350K +$408K +176,529 +8,717%
LRPA
18
L. Roy Papp & Associates
Arizona
$299K
Northern Trust
19
Northern Trust
Illinois
$230K +$47.8K +20,649 +21%
XT
20
XTX Topco
Cayman Islands
$196K +$232K +100,135 New
Two Sigma Investments
21
Two Sigma Investments
New York
$185K +$24K +10,391 +12%
Qube Research & Technologies (QRT)
22
Qube Research & Technologies (QRT)
United Kingdom
$153K +$180K +77,812 New
VAMG
23
Voisard Asset Management Group
Michigan
$137K +$64.1K +27,700 +65%
NA
24
NewEdge Advisors
Louisiana
$122K +$143K +61,982 +73,788%
CG
25
Caprock Group
Idaho
$98.3K +$116K +50,140 New

OMEX Hedge Fund Activity: Q4 2025 in Review

55 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Odyssey Marine Exploration (OMEX) for Q4 2025, worth a combined $38.4M — up 38% from $27.8M a quarter earlier.

Buyers outnumbered sellers: 12 funds opened new OMEX positions and 8 closed out — a net gain of 4 holders — while 24 added to existing stakes and 7 trimmed.

The largest buyer was Old West Investment Management, adding an estimated $4.21M. The largest seller was PEAK6, exiting entirely with an estimated $578K sold.

  • 55 institutional investors held Odyssey Marine Exploration (OMEX) as of Q4 2025, up from 52 in Q3 2025.
  • Funds reported $38.4M of Odyssey Marine Exploration stock for Q4 2025, up 38% quarter-over-quarter.
  • 12 funds opened new Odyssey Marine Exploration positions in Q4 2025 and 8 closed out, a net change of +4 holders.
  • The largest Odyssey Marine Exploration buyer in Q4 2025 was Old West Investment Management, an estimated $4.21M added.
  • The largest Odyssey Marine Exploration seller in Q4 2025 was PEAK6, an estimated $578K sold.

Based on aggregated 13F filings for Q4 2025.