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$OMEX
$0.54 +$0.03 (6.05%) Close

Ownership

13F as of Q2 2026 · 58.7M shares outstanding

Who owns OMEX?

By type of holder
Institutions 33.7% Insiders 10.5% Everyone else 55.8%
Concentration Top 10 holders own 38.8%
Two Seas Capital LP 9.5% · Old West Investment Management, LLC 7.7%
Institutional ownership
33.7%
-3.0 pts vs last qtr
Institutional holders
57
-4 vs last qtr
Net shares bought
−1.8M
by institutions in Q2 2026
New / sold out
14 / 18
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Morgan Stanley +1.4M
  • UBS Group AG +837.7K

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Biggest sellers in Q2 2026
  • Citadel Advisors LLC SOLD OUT −1.5M
  • Susquehanna International Group, LLP SOLD OUT −828.6K

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Odyssey Marine Exploration Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2013–FY2025
+487.9%
+24.78% a year
Each share's claim on the business
−83.0%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
— vs $13.7M
over 9 fiscal years
Diluted shares, split-adjusted
6.5M23.1M39.6M2013: 6.7M shares'132014: 7.1M shares'142015: 7.4M shares'152020: 10.5M shares'202021: 13.3M shares'212022: 17.3M shares'222023: 20.1M shares'232024: 28.4M shares'242025: 39.3M shares'25
Buybacks Stock-based comp
$0$1.3M$2.7M2013 buybacks: $02013 stock comp: $2.5M'132014 buybacks: $02014 stock comp: $2.2M'142015 buybacks: $02015 stock comp: $2.7M'152020 buybacks: $02020 stock comp: $420.6K'202021 buybacks: $02021 stock comp: $1.3M'212022 buybacks: $02022 stock comp: $1.8M'222023 buybacks: $02023 stock comp: $585.7K'232024 buybacks: $02024 stock comp: $2.0M'242025 buybacks: $02025 stock comp: $222.1K'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years28% 3–5 years28% 1–3 years9% Under 1 year34%
Quarterly turnover
16.3%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting OMEX on Form 13F
TS
Two Seas Capital LP
13D · 10.0%
Shares
5.6M
% of company
9.53%
Change vs last qtr
Unchanged
Held since
2021
OW
Old West Investment Management, LLC
Shares
4.5M
% of company
7.67%
Change vs last qtr
−270.5K (−5.7%)
Held since
Q3 '25

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Institutional Funds

Mutual funds and ETFs reporting OMEX on Form N-PORT; together they hold 6.0% of the company
VT
Vanguard Total Stock Market Index Fund
Vanguard Index Funds
Position value
$1.52M
% of company
3.04%
% of the fund
0.00%
As of
June 30, 2026
VE
Vanguard Extended Market Index Fund
Vanguard Index Funds
Position value
$487K
% of company
0.98%
% of the fund
0.00%
As of
June 30, 2026

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Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G
CG
Cortina Gallardo Juan Antonio Carlos
Insider
Shares
3.9M
% of company
6.70%
Change vs last qtr
—
Held since
—
JM
Justh Mark B
Insider
Shares
1.0M
% of company
1.76%
Change vs last qtr
—
Held since
—

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