Odyssey Marine ExplorationOMEX
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 52 institutions reported holding Odyssey Marine Exploration (OMEX) in their 13F filings, up 7 from Q2 2025. 14 opened new positions and 7 sold out. The largest holders were Two Seas Capital LP ($8.9M), Old West Investment Management, LLC ($7.2M) and Group One Trading LLC ($1.4M). 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
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $11.2M |
| Exits | 7 | $41K |
All 13F filers, Q2 2025 → Q3 2025: 10,289,118 shares bought and 99,279 shares sold, net +10,189,839 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 52 holders
| Two Seas Capital LP | 0.54% | Add +219.4% | 4,570,011 | $8.9M |
| Old West Investment Management, LLC | 1.64% | New | 3,676,882 | $7.2M |
| Group One Trading LLC | 0.04% | Add +808.4% | 702,815 | $1.4M |
| Susquehanna International Group, LLP | 0.00% | Add +0.6% | 671,128 | $1.3M |
| Vanguard Group Inc. | 0.00% | Add +38.8% | 640,364 | $1.2M |
| Rangeley Capital, LLC | 0.90% | New | 479,478 | $935K |
| Geode Capital Management, LLC | 0.00% | Add +33.6% | 407,920 | $796K |
| Jefferies Financial Group Inc. | 0.01% | New | 400,000 | $780K |
| BlackRock, Inc. | 0.00% | Add +31.6% | 330,765 | $645K |
| SLT Holdings LLC | 0.36% | New | 277,750 | $542K |
| Foundations Investment Advisors, LLC | 0.01% | New | 277,750 | $542K |
| PEAK6 LLC | 0.01% | New | 250,000 | $488K |
| Goldman Sachs Group Inc. | 0.00% | Add +142.3% | 218,200 | $425K |
| State Street Corp. | 0.00% | Add +81.6% | 213,512 | $416K |
| Citadel Advisors | 0.00% | New | 156,954 | $306K |
| L. Roy Papp & Associates, LLP | 0.03% | No change | 152,461 | $297K |
| Sender Co & Partners, Inc. | 0.08% | New | 103,620 | $202K |
| Northern Trust Corp. | 0.00% | Add +155.6% | 96,792 | $189K |
| Two Sigma Investments, LP | 0.00% | Add +127.8% | 84,029 | $164K |
| Jane Street Group, LLC | 0.00% | Add +9.3% | 75,749 | $148K |
| Stonegate Investment Group, LLC | 0.00% | Reduce -2.7% | 72,066 | $141K |
| UBS Group AG | 0.00% | Add +2659.3% | 68,100 | $133K |
| Voisard Asset Management Group, Inc. | 0.02% | Add +20.9% | 42,300 | $82K |
| Renaissance Technologies | 0.00% | New | 31,957 | $62K |
| Centiva Capital, LP | 0.01% | New | 29,128 | $57K |
| Commonwealth Equity Services, LLC | 0.00% | New | 23,738 | $46K |
| Apollon Wealth Management, LLC | 0.00% | No change | 21,646 | $42K |
| Bank of America Corp. | 0.00% | Add +632.8% | 19,111 | $37K |
| Cary Street Partners Financial LLC | 0.00% | No change | 19,000 | $37K |
| ARS Wealth Advisors Group, LLC | 0.00% | No change | 17,730 | $35K |
| Concurrent Investment Advisors, LLC | 0.00% | No change | 17,000 | $33K |
| FNY Investment Advisers, LLC | 0.01% | New | 16,380 | $31K |
| Northwest Financial Advisors | 0.04% | Add +49.6% | 15,074 | $29K |
| 5th Street Advisors, LLC | 0.01% | No change | 13,621 | $27K |
| Smithbridge Asset Management Inc. | 0.00% | Reduce -7.8% | 12,000 | $23K |
| GenTrust, LLC | 0.00% | No change | 10,378 | $20K |
| Cetera Investment Advisers | 0.00% | No change | 10,100 | $20K |
| Osaic Holdings, Inc. | 0.00% | Add +119.5% | 5,671 | $11K |
| MAI Capital Management | 0.00% | No change | 3,075 | $6K |
| Simplex Trading, LLC | 0.00% | Reduce -96.5% | 2,025 | $3K |
| Wells Fargo & Company | 0.00% | Add +5769.2% | 1,526 | $3K |
| Global Retirement Partners, LLC | 0.00% | No change | 570 | $1K |
| Avion Wealth | 0.00% | No change | 875 | $1K |
| Morgan Stanley | 0.00% | Reduce -89.1% | 455 | $887 |
| Citigroup Inc. | 0.00% | Reduce -49.9% | 426 | $831 |
| Allworth Financial LP | 0.00% | No change | 292 | $570 |
| NewEdge Advisors, LLC | 0.00% | No change | 84 | $164 |
| Jones Financial Companies LLLP | 0.00% | New | 34 | $67 |
| SBI Securities Co., Ltd. | 0.00% | No change | 16 | $31 |
| Parkside Financial Bank & Trust | 0.00% | No change | 10 | $20 |
| Financial Consulate, Inc. | 0.00% | New | 9 | $18 |
| Silicon Valley Capital Partners | 0.00% | No change | 9 | $18 |
"% of holder's portfolio" is OMEX's weight in each manager's 13F, not the share of Odyssey Marine Exploration the manager owns.