Odyssey Marine ExplorationOMEX
13F holders, Q1 2026 (March 31)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
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $306K |
| Exits | 11 | $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.