ODYSSEY MARINE EXPLORATION (OMEX) Institutional Ownership Changes & 13F Activity
ODYSSEY MARINE EXPLORATION (OMEX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Old West Investment Management, Llc, Two Seas Capital Lp, Susquehanna International Group, Llp, Rangeley Capital, Llc, and Group One Trading Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Newedge Advisors, Llc | Buy | +62,066 | — | 62,066 | $121.65K | Q4 2025 | Feb 18, 2026 |
| Old West Investment Management, Llc | Buy | +5,496,448 | — | 5,496,448 | $10.77M | Q4 2025 | Feb 17, 2026 |
| Susquehanna International Group, Llp | Buy | +1,169,296 | — | 1,169,296 | $2.29M | Q4 2025 | Feb 17, 2026 |
| Rangeley Capital, Llc | Buy | +608,749 | — | 608,749 | $1.19M | Q4 2025 | Feb 17, 2026 |
| Mangrove Partners Im, Llc | Buy | +197,952 | — | 197,952 | $387.99K | Q4 2025 | Feb 17, 2026 |
| Northern Trust Corp | Buy | +117,441 | — | 117,441 | $230.18K | Q4 2025 | Feb 17, 2026 |
| Xtx Topco Ltd | Buy | +100,135 | — | 100,135 | $196.26K | Q4 2025 | Feb 17, 2026 |
| Two Sigma Investments, Lp | Buy | +94,420 | — | 94,420 | $185.06K | Q4 2025 | Feb 17, 2026 |
| Qube Research & Technologies Ltd | Buy | +77,812 | — | 77,812 | $152.51K | Q4 2025 | Feb 17, 2026 |
| Bank Of America Corp | Buy | +28,670 | — | 28,670 | $56.19K | Q4 2025 | Feb 17, 2026 |
| Citadel Advisors Llc | Buy | +16,673 | — | 16,673 | $32.68K | Q4 2025 | Feb 17, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +1,177 | — | 1,177 | $2.31K | Q4 2025 | Feb 17, 2026 |
| Osaic Holdings, Inc. | Buy | +671 | — | 671 | $1.31K | Q4 2025 | Feb 17, 2026 |
| State Street Corp | Buy | +195,512 | — | 195,512 | $383.20K | Q4 2025 | Feb 13, 2026 |
| Morgan Stanley | Buy | +49,214 | — | 49,214 | $96.46K | Q4 2025 | Feb 13, 2026 |
| Stifel Financial Corp | Buy | +15,000 | — | 15,000 | $29.40K | Q4 2025 | Feb 13, 2026 |
| Mai Capital Management | Buy | +3,075 | — | 3,075 | $6.03K | Q4 2025 | Feb 13, 2026 |
| Parkside Financial Bank & Trust | Buy | +1,010 | — | 1,010 | $1.98K | Q4 2025 | Feb 13, 2026 |
| Silicon Valley Capital Partners | Buy | +9 | — | 9 | $18.00 | Q4 2025 | Feb 13, 2026 |
| Citigroup Inc | Buy | +1 | — | 1 | $2.00 | Q4 2025 | Feb 13, 2026 |
| Wells Fargo & Company/Mn | Buy | +1 | — | 1 | $2.00 | Q4 2025 | Feb 13, 2026 |
| Group One Trading Llc | Buy | +457,719 | — | 457,719 | $897.13K | Q4 2025 | Feb 12, 2026 |
| Renaissance Technologies LLC | Buy | +456,642 | +1428.9% | 488,599 | $957.65K | Q4 2025 | Feb 12, 2026 |
| Blackrock, Inc. | Buy | +415,069 | — | 415,069 | $813.53K | Q4 2025 | Feb 12, 2026 |
| Jane Street Group, Llc | Buy | +271,455 | — | 271,455 | $532.05K | Q4 2025 | Feb 12, 2026 |
| Commonwealth Equity Services, Llc | Buy | +23,553 | — | 23,553 | $46.16K | Q4 2025 | Feb 12, 2026 |
| Two Seas Capital Lp | Buy | +5,185,029 | — | 5,185,029 | $10.16M | Q4 2025 | Feb 11, 2026 |
| Simplex Trading, Llc | Buy | +178,554 | — | 178,554 | $349.96K | Q4 2025 | Feb 11, 2026 |
| Smithbridge Asset Management Inc/De | Buy | +36,010 | — | 36,010 | $70.58K | Q4 2025 | Feb 11, 2026 |
| Jpmorgan Chase & Co | Buy | +26,987 | — | 26,987 | $52.90K | Q4 2025 | Feb 11, 2026 |
Frequently asked questions about OMEX activity
Which institutional owners are buying OMEX?
Institutional owners buying OMEX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in OMEX activity?
"Buy" means an investor increased their reported position in OMEX compared to the prior reporting period. This reflects growing exposure to ODYSSEY MARINE EXPLORATION (OMEX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in OMEX increasing?
Institutional interest in OMEX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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