Odyssey Marine ExplorationOMEX

13F holders, Q1 2026 (March 31)
61holders +6
15new positions
11sold out
2famous investors
$0.83avg. 13F price*

At the end of Q1 2026, 61 institutions reported holding Odyssey Marine Exploration (OMEX) in their 13F filings, up 6 from Q4 2025. 15 opened new positions and 11 sold out. The largest holders were Two Seas Capital LP ($4.7M), Old West Investment Management, LLC ($4.0M) and Vanguard Capital Management LLC ($2.0M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Odyssey Marine Exploration
CUSIP
676118201
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 42Q1 2024Q2 2024: 47Q2 2024Q3 2024: 38Q3 2024Q4 2024: 39Q4 2024Q1 2025: 41Q1 2025Q2 2025: 45Q2 2025Q3 2025: 52Q3 2025Q4 2025: 55Q4 2025Q1 2026: 61Q1 2026Q2 2026: 58Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions15$306K
Exits11$2.1M

All 13F filers, Q4 2025 → Q1 2026: 2,767,503 shares bought and 2,945,172 shares sold, net −177,669 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 61 holders

Two Seas Capital LP 0.22% Add +7.9% 5,592,985 $4.7M
Old West Investment Management, LLC 0.43% Reduce -13.2% 4,773,196 $4.0M
Vanguard Capital Management LLC 0.00% — 2,396,641 $2.0M
Citadel Advisors 0.00% Add +9191.0% 1,549,082 $1.3M
Jefferies Financial Group Inc. 0.02% No change 1,500,000 $1.3M
Susquehanna International Group, LLP 0.00% Reduce -29.1% 828,577 $691K
Geode Capital Management, LLC 0.00% Add +8.1% 605,362 $505K
Renaissance Technologies 0.00% Add +10.9% 541,721 $452K
BlackRock, Inc. 0.00% Reduce -5.6% 391,938 $327K
UBS Group AG 0.00% Add +11.5% 363,730 $303K
Jane Street Group, LLC 0.00% Add +32.0% 358,261 $299K
Kingsbury Capital Investment Advisors LLC 0.25% — 313,877 $262K
Vanguard Fiduciary Trust Co. 0.00% — 266,559 $222K
State Street Corp. 0.00% Add +17.5% 229,812 $192K
XTX Topco Ltd 0.00% Add +121.5% 221,812 $185K
SLT Holdings LLC 0.11% Reduce -36.9% 183,750 $153K
Foundations Investment Advisors, LLC 0.00% Reduce -36.9% 183,750 $153K
L. Roy Papp & Associates, LLP 0.01% No change 152,461 $127K
Group One Trading LLC 0.00% Reduce -72.3% 126,819 $106K
Rockefeller Capital Management L.P. 0.00% New 123,749 $103K
Northern Trust Corp. 0.00% No change 117,441 $98K
Voisard Asset Management Group, Inc. 0.02% Add +54.3% 108,000 $90K
Two Sigma Investments, LP 0.00% Reduce -1.9% 92,620 $77K
Caprock Group, LLC 0.00% Add +69.8% 85,140 $71K
BBR Partners, LLC 0.00% New 60,616 $51K
Pilgrim Partners Asia Pte Ltd 0.01% New 36,600 $31K
Goldman Sachs Group Inc. 0.00% New 30,471 $25K
Vanguard Global Advisers, LLC 0.00% — 26,873 $22K
Two Sigma Securities, LLC 0.00% New 25,806 $22K
Schonfeld Strategic Advisors LLC 0.00% New 24,000 $20K
Apollon Wealth Management, LLC 0.00% No change 22,646 $19K
Simplex Trading, LLC 0.00% Reduce -88.4% 20,737 $17K
Catalyst Funds Management Pty Ltd 0.00% New 19,700 $16K
Scientech Research LLC 0.01% New 19,318 $16K
Cary Street Partners Financial LLC 0.00% No change 19,000 $16K
Concurrent Investment Advisors, LLC 0.00% No change 17,000 $14K
Commonwealth Equity Services, LLC 0.00% Reduce -34.1% 15,518 $13K
Graham Capital Management, L.P. 0.00% New 14,732 $12K
JPMorgan Chase & Co. 0.00% Reduce -43.5% 15,243 $12K
5th Street Advisors, LLC 0.00% No change 13,621 $11K
Baader Bank Aktiengesellschaft 0.00% New 16,566 $9K
GenTrust, LLC 0.00% No change 10,378 $9K
Tower Research Capital LLC (TRC) 0.00% Add +227.4% 3,853 $3K
MAI Capital Management 0.00% No change 3,075 $3K
Valeo Financial Advisors, LLC 0.00% Reduce -89.9% 3,028 $3K
Morgan Stanley 0.00% Reduce -97.8% 1,093 $912
Parkside Financial Bank & Trust 0.00% No change 1,010 $843
Farther Finance Advisors, LLC 0.00% No change 1,000 $810
Osaic Holdings, Inc. 0.00% No change 671 $560
BNP Paribas Financial Markets 0.00% New 543 $453
Truvestments Capital LLC 0.00% New 500 $417
SBI Securities Co., Ltd. 0.00% No change 367 $306
Allworth Financial LP 0.00% No change 292 $244
True Wealth Design, LLC 0.00% No change 42 $36
US Bancorp \de 0.00% New 17 $14
Harbour Investments, Inc. 0.00% New 10 $8
Financial Consulate, Inc. 0.00% No change 9 $8
Silicon Valley Capital Partners 0.00% No change 9 $8
Wells Fargo & Company 0.00% No change 1 $1
Caitong International Asset Management Co., Ltd 0.00% New 1 $1
Avion Wealth 0.00% No change 875 $0

"% of holder's portfolio" is OMEX's weight in each manager's 13F, not the share of Odyssey Marine Exploration the manager owns.