Odyssey Marine Exploration Ownership | Who Owns Odyssey Marine Exploration?
Odyssey Marine Exploration Ownership Summary
Odyssey Marine Exploration is owned by 21.91% institutional investors, 14.97% insiders, and 63.12% retail investors. Two seas capital lp is the largest institutional shareholder, holding 14.86% of OMEX shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.01% of its assets in Odyssey Marine Exploration shares.
OMEX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Odyssey Marine Exploration | 21.91% | 14.97% | 63.12% |
| Sector | Industrials Stocks | 46.77% | 12.62% | 40.60% |
| Industry | Business Services Stocks | 47.91% | 13.79% | 38.30% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Two seas capital lp | 4.57M | 14.86% | $8.91M |
| Old west investment management | 3.68M | 11.96% | $7.17M |
| Group one trading | 702.82K | 2.29% | $1.37B |
| Vanguard group | 640.36K | 2.08% | $1.25M |
| Rangeley capital | 479.48K | 1.56% | $934.98K |
| Geode capital management | 407.92K | 1.33% | $795.70K |
| Jefferies financial group | 400.00K | 1.30% | $780.00M |
| Blackrock funding, inc. /de | 330.76K | 1.08% | $644.99K |
| Susquehanna group, llp | 208.56K | 1.01% | $150.16K |
| Foundations investment advisors | 277.75K | 0.90% | $541.61K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Old west investment management | 3.68M | 1.64% | $7.17M |
| Rangeley capital | 479.48K | 0.81% | $934.98K |
| Slt | 277.75K | 0.35% | $541.61K |
| Two seas capital lp | 4.57M | 0.14% | $8.91M |
| Northwest financial advisors | 15.07K | 0.04% | $29.39K |
| L. roy papp & associates, llp | 152.46K | 0.03% | $297.30K |
| Sender co & partners | 103.62K | 0.02% | $202.06K |
| Fifth lane capital, lp | 10.45K | 0.02% | $7.52K |
| Voisard asset management group | 42.30K | 0.02% | $82.48K |
| 5th street advisors | 13.62K | 0.01% | $26.56K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Old west investment management | 3.68M | 1.64% | 3.68M |
| Two seas capital lp | 4.57M | 0.14% | 3.14M |
| Group one trading | 702.82K | 0.00% | 625.45K |
| Rangeley capital | 479.48K | 0.81% | 479.48K |
| Jefferies financial group | 400.00K | 0.00% | 400.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fourworld capital management | - | - | -3.03M |
| Kestra advisory services | - | - | -267.51K |
| Millennium management | - | - | -90.27K |
| Simplex trading | 2.02K | - | -56.45K |
| Virtu financial | - | - | -38.18K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Old west investment management | 3.68M | 1.64% | 3.68M | $7.17M |
| Rangeley capital | 479.48K | 0.81% | 479.48K | $934.98K |
| Jefferies financial group | 400.00K | 0.00% | 400.00K | $780.00M |
| Slt | 277.75K | 0.35% | 277.75K | $541.61K |
| Foundations investment advisors | 277.75K | 0.01% | 277.75K | $541.61K |
Sold Out
| Holder | Change |
|---|---|
| Jpmorgan chase | -19.00 |
| Raymond james financial | -521.00 |
| Total investment management | -1.00K |
| Quadrant capital group | -2.97K |
| National bank of canada /fi/ | -9.30K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 16 | -65.22% | 974,287 | -83.21% | 4 | 0.60% | 3 | -86.36% | 6 | - |
| Sep 30, 2024 | 46 | -13.21% | 5,802,225 | -29.20% | 28 | 1.75% | 22 | 4.76% | 6 | -40.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 585.02K | 2.01% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 343.77K | 0.95% | -106.79K |
| Fidelity Extended Market Index | 167.60K | 0.37% | 6.09K |
| Extended Equity Market Fund K | 43.45K | 0.14% | -867.00 |
| iShares Micro-Cap ETF | 57.55K | 0.13% | - |
| Fidelity Total Market Index | 49.22K | 0.11% | -105.00 |
| Fidelity Series Total Market Index | 44.35K | 0.10% | 5.37K |
| Spartan Extended Market Index Pool F | 36.83K | 0.08% | 1.38K |
| Spartan Extended Market Index Pool E | 19.51K | 0.07% | 829.00 |
| Vanguard Instl Ttl Stck Mkt Idx Tr | 18.87K | 0.06% | - |
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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