Odyssey Marine Exploration Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:OMEX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
22 Jul 25	SellUS$835,860	Juan Cortina	Individual		489,821	US$1.72

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of OMEX?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	10,455	0.0179%
Individual Insiders	5,619,196	9.6%
Hedge Funds	11,197,179	19.1%
Institutions	16,194,765	27.7%
General Public	25,497,064	43.6%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 86.7%.

Top Shareholders

Top 25 shareholders own 54.26% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.3%	Greywolf Capital Management LP	6,051,932	US$5.6m	44.1%	3.19%
8.79%	Two Seas Capital LP	5,145,247	US$4.8m	-8.01%	0.2%
8.16%	Old West Investment Management, LLC	4,773,196	US$4.4m	-13.2%	0.48%
6.72%	Juan Cortina	3,931,466	US$3.6m	0%	no data
4.1%	Vanguard Capital Management, LLC	2,396,641	US$2.2m	0%	no data
2.65%	Citadel Advisors LLC	1,549,082	US$1.4m	9,190%	no data
2.56%	Jefferies Financial Group Inc.	1,500,000	US$1.4m	0%	0.02%
1.64%	Mark Justh	957,200	US$884.5k	-19%	no data
1.42%	Susquehanna International Group, LLP	828,577	US$765.6k	-29.1%	no data
1.03%	Geode Capital Management, LLC	605,362	US$559.4k	8.1%	no data
0.93%	Renaissance Technologies LLC	541,721	US$500.5k	10.9%	no data
0.78%	FourWorld Capital Management LLC	455,571	US$421.0k	0%	0.17%
0.67%	BlackRock, Inc.	391,938	US$362.2k	-5.57%	no data
0.62%	UBS Asset Management AG	363,730	US$336.1k	11.5%	no data
0.61%	Jane Street Group, LLC	358,261	US$331.0k	32%	no data
0.46%	Vanguard Fiduciary Trust Company	266,559	US$246.3k	0%	no data
0.42%	Mark Gordon	246,993	US$228.2k	-60.9%	no data
0.39%	State Street Global Advisors, Inc.	229,812	US$212.3k	17.5%	no data
0.38%	XTX Markets Limited	221,812	US$205.0k	122%	no data
0.31%	Foundations Investment Advisors LLC	183,750	US$169.8k	-36.9%	no data
0.31%	SLT Holdings, LLC	183,750	US$169.8k	-36.9%	0.11%
0.28%	Todd Siegel	166,377	US$153.7k	44.8%	no data
0.26%	L. Roy Papp & Associates, LLP	152,461	US$140.9k	0%	0.02%
0.22%	Group One Trading LLC	126,819	US$117.2k	-72.3%	no data
0.21%	Rockefeller & Co. LLC	123,749	US$114.3k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/10 04:17
End of Day Share Price	2026/06/10 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Odyssey Marine Exploration, Inc. is covered by 2 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Michael Malouf	Craig-Hallum Capital Group LLC
Michael Albanese	D. Boral Capital LLC.