Odyssey Marine Exploration Ownership | Who Owns Odyssey Marine Exploration?
Odyssey Marine Exploration Ownership Summary
Odyssey Marine Exploration is owned by 54.05% institutional investors, 10.35% insiders, and 35.60% retail investors. Two seas capital lp is the largest institutional shareholder, holding 14.25% of OMEX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.05% of its assets in Odyssey Marine Exploration shares.
OMEX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Odyssey Marine Exploration | 54.05% | 10.35% | 35.60% |
| Sector | Industrials Stocks | 49.61% | 15.69% | 34.70% |
| Industry | Business Services Stocks | 39.57% | 17.74% | 42.69% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Two seas capital lp | 5.59M | 14.25% | $4.66M |
| Old west investment management | 4.77M | 12.16% | $3.98M |
| Citadel advisors | 1.55M | 3.95% | $1.29M |
| Jefferies financial group | 1.50M | 3.82% | $1.25M |
| Vanguard group | 868.59K | 2.82% | $1.70M |
| Susquehanna group, llp | 828.58K | 2.11% | $691.03K |
| Geode capital management | 605.36K | 1.54% | $505.09K |
| Renaissance | 541.72K | 1.38% | $451.80K |
| Blackrock funding, inc. /de | 391.94K | 1.00% | $326.88K |
| Ubs group | 363.73K | 0.93% | $303.35K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Old west investment management | 4.77M | 0.43% | $3.98M |
| Slt | 183.75K | 0.10% | $153.25K |
| Two seas capital lp | 5.59M | 0.07% | $4.66M |
| Sender co & partners | 103.62K | 0.02% | $202.06K |
| Fifth lane capital, lp | 10.45K | 0.02% | $7.52K |
| Voisard asset management group | 108.00K | 0.02% | $90.07K |
| L. roy papp & associates, llp | 152.46K | 0.01% | $127.15K |
| Scientech research | 19.32K | 0.01% | $16.11K |
| Pilgrim partners asia pte | 36.60K | 0.01% | $30.52K |
| Jefferies financial group | 1.50M | 0.01% | $1.25M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Citadel advisors | 1.55M | 0.00% | 1.53M |
| Two seas capital lp | 5.59M | 0.07% | 407.96K |
| Vanguard fiduciary trust | 266.56K | 0.00% | 266.56K |
| Vanguard group | 868.59K | - | 228.22K |
| Rockefeller capital management | 123.75K | 0.00% | 123.75K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fourworld capital management | - | - | -3.03M |
| Old west investment management | 4.77M | 0.43% | -723.25K |
| Rangeley capital | - | - | -608.75K |
| Susquehanna group, llp | 828.58K | 0.00% | -340.72K |
| Group one trading | 126.82K | 0.00% | -330.90K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Vanguard fiduciary trust | 266.56K | 0.00% | 266.56K | $222.31K |
| Rockefeller capital management | 123.75K | 0.00% | 123.75K | $103.21K |
| Sender co & partners | 103.62K | 0.02% | 103.62K | $202.06K |
| Bbr partners | 60.62K | 0.00% | 60.62K | $50.55K |
| Pilgrim partners asia pte | 36.60K | 0.01% | 36.60K | $30.52K |
Sold Out
| Holder | Change |
|---|---|
| Citigroup | -1.00 |
| Raymond james financial | -521.00 |
| Avion wealth | -875.00 |
| Total investment management | -1.00K |
| Quadrant capital group | -2.97K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 65 | 3.17% | 21,217,743 | 8.39% | 54 | 1.33% | 28 | -26.32% | 13 | 62.50% |
| Dec 31, 2025 | 31 | -48.33% | 10,556,439 | -25.87% | 34 | 1.60% | 20 | -33.33% | 1 | -85.71% |
| Sep 30, 2025 | 28 | -44.00% | 6,738,300 | 66.36% | 21 | 11.31% | 12 | -47.83% | 4 | -33.33% |
| Jun 30, 2025 | 48 | 17.07% | 4,046,838 | -8.97% | 13 | 5.96% | 21 | 50.00% | 6 | 20.00% |
| Mar 31, 2025 | 41 | -2.38% | 4,465,484 | -0.04% | 15 | 3.28% | 15 | 25.00% | 6 | -60.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 1.79M | 3.05% | - |
| Vanguard US Total Market Shares ETF | 585.02K | 2.01% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 575.15K | 0.98% | - |
| Fidelity Extended Market Index | 288.97K | 0.49% | 17.73K |
| Extended Equity Market Fund E | 128.90K | 0.23% | - |
| Extended Equity Market Fund B | 128.90K | 0.23% | - |
| Blackrock Extended Mkt Fund CF | 128.90K | 0.22% | - |
| iShares Micro-Cap ETF | 119.49K | 0.20% | - |
| Extended Equity Market Fund K | 109.76K | 0.20% | -804.00 |
| BlackRock Extended Equity Market Fund K | 109.76K | 0.19% | -804.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 20, 2025 | Gordon Mark | Chief Executive Officer | Sell | $106.90K |
| Oct 17, 2025 | Gordon Mark | Chief Executive Officer | Sell | $105.00K |
| Oct 16, 2025 | Gordon Mark | Chief Executive Officer | Sell | $116.04K |
| Oct 13, 2025 | Longley John D Jr | President & COO | Sell | $136.42K |
| Oct 14, 2025 | Longley John D Jr | President & COO | Sell | $275.58K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 9 |
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | - |
| 2025 Q1 | - | - |
| 2024 Q4 | 3 | - |
OMEX Ownership FAQ
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