Odyssey Marine ExplorationOMEX
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 55 institutions reported holding Odyssey Marine Exploration (OMEX) in their 13F filings, up 3 from Q3 2025. 11 opened new positions and 8 sold out. The largest holders were Old West Investment Management, LLC ($10.8M), Two Seas Capital LP ($10.2M) and Jefferies Financial Group Inc. ($2.9M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Odyssey Marine Exploration
- CUSIP
- 676118201
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 11 | $1.0M |
| Exits | 8 | $1.3M |
All 13F filers, Q3 2025 → Q4 2025: 6,459,843 shares bought and 1,053,048 shares sold, net +5,406,795 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 55 holders
| Old West Investment Management, LLC | 1.92% | Add +49.5% | 5,496,448 | $10.8M |
| Two Seas Capital LP | 0.60% | Add +13.5% | 5,185,029 | $10.2M |
| Jefferies Financial Group Inc. | 0.02% | Add +275.0% | 1,500,000 | $2.9M |
| Susquehanna International Group, LLP | 0.00% | Add +74.2% | 1,169,296 | $2.3M |
| Vanguard Group Inc. | 0.00% | Add +35.6% | 868,585 | $1.7M |
| Rangeley Capital, LLC | 1.04% | Add +27.0% | 608,749 | $1.2M |
| Geode Capital Management, LLC | 0.00% | Add +37.3% | 559,991 | $1.1M |
| Renaissance Technologies | 0.00% | Add +1428.9% | 488,599 | $958K |
| Group One Trading LLC | 0.03% | Reduce -34.9% | 457,719 | $897K |
| BlackRock, Inc. | 0.00% | Add +25.5% | 415,069 | $814K |
| UBS Group AG | 0.00% | Add +379.0% | 326,173 | $639K |
| SLT Holdings LLC | 0.38% | Add +4.9% | 291,250 | $571K |
| Foundations Investment Advisors, LLC | 0.01% | Add +4.9% | 291,250 | $571K |
| Jane Street Group, LLC | 0.00% | Add +258.4% | 271,455 | $532K |
| Mangrove Partners Im, LLC | 0.03% | New | 197,952 | $388K |
| State Street Corp. | 0.00% | Reduce -8.4% | 195,512 | $383K |
| Simplex Trading, LLC | 0.01% | Add +8717.5% | 178,554 | $350K |
| L. Roy Papp & Associates, LLP | 0.03% | No change | 152,461 | $299K |
| Northern Trust Corp. | 0.00% | Add +21.3% | 117,441 | $230K |
| XTX Topco Ltd | 0.01% | New | 100,135 | $196K |
| Two Sigma Investments, LP | 0.00% | Add +12.4% | 94,420 | $185K |
| Qube Research & Technologies Ltd | 0.00% | New | 77,812 | $153K |
| Voisard Asset Management Group, Inc. | 0.03% | Add +65.5% | 70,000 | $137K |
| NewEdge Advisors, LLC | 0.00% | Add +73788.1% | 62,066 | $122K |
| Caprock Group, LLC | 0.00% | New | 50,140 | $98K |
| Morgan Stanley | 0.00% | Add +10716.3% | 49,214 | $96K |
| Smithbridge Asset Management Inc. | 0.01% | Add +200.1% | 36,010 | $71K |
| Valeo Financial Advisors, LLC | 0.00% | New | 30,028 | $59K |
| Bank of America Corp. | 0.00% | Add +50.0% | 28,670 | $56K |
| JPMorgan Chase & Co. | 0.00% | New | 26,987 | $53K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -0.8% | 23,553 | $46K |
| Apollon Wealth Management, LLC | 0.00% | Add +4.6% | 22,646 | $44K |
| 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 |
| Citadel Advisors | 0.00% | Reduce -89.4% | 16,673 | $33K |
| Stifel Financial Corp. | 0.00% | New | 15,000 | $29K |
| 5th Street Advisors, LLC | 0.01% | No change | 13,621 | $27K |
| Tradewinds Capital Management, LLC | 0.01% | New | 13,600 | $27K |
| GenTrust, LLC | 0.00% | No change | 10,378 | $20K |
| MAI Capital Management | 0.00% | No change | 3,075 | $6K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 1,177 | $2K |
| Parkside Financial Bank & Trust | 0.00% | Add +10000.0% | 1,010 | $2K |
| Farther Finance Advisors, LLC | 0.00% | New | 1,000 | $2K |
| Osaic Holdings, Inc. | 0.00% | Reduce -88.2% | 671 | $1K |
| Global Retirement Partners, LLC | 0.00% | No change | 570 | $1K |
| Avion Wealth | 0.00% | No change | 875 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Add +2193.8% | 367 | $719 |
| Allworth Financial LP | 0.00% | No change | 292 | $573 |
| Meramec Financial Planners, LLC | 0.00% | — | 63 | $103 |
| True Wealth Design, LLC | 0.00% | New | 42 | $83 |
| Financial Consulate, Inc. | 0.00% | No change | 9 | $18 |
| Silicon Valley Capital Partners | 0.00% | No change | 9 | $18 |
| Wells Fargo & Company | 0.00% | Reduce -99.9% | 1 | $2 |
| Citigroup Inc. | 0.00% | Reduce -99.8% | 1 | $2 |
"% of holder's portfolio" is OMEX's weight in each manager's 13F, not the share of Odyssey Marine Exploration the manager owns.