OMEXNasdaqWater TransportationFiscal year ends December 31
ODYSSEY MARINE EXPLORATION INC
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 11, 2026
$0.59−0.05 (-7.83%)
Close on Oct 19, 2026
- Market cap
- $34.57M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
41.7%
24M of 59M shares
Institutional holders
58
15 new, 16 sold out
Net institutional buying
3M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Greywolf GP LLC | 6,394,323 | 10.90% | 13G (passive) amendment | Mar 2, 2026 |
| Two Seas Capital LP | 5,857,448 | 9.99% | 13D (active) | Apr 8, 2026 |
| Two Seas Capital GP LLC | 5,084,883 | 9.99% | 13G (passive) amendment | Sep 30, 2025 |
| Old West Investment Management, LLC | 4,773,196 | 8.20% | 13G (passive) | Mar 31, 2026 |
| Greywolf Capital Management LP | 4,542,471 | 9.98% | 13G (passive) | Aug 12, 2025 |
| Promotora de Inversiones Caplat Espana, S.L. | 3,931,466 | 11.64% | 13G (passive) amendment | Apr 25, 2025 |
| Sina Toussi | 3,154,808 | 9.50% | 13G (passive) amendment | Jun 30, 2025 |
| Capital Latinoamericano, S.A. de C.V. | 2,481,819 | 8.53% | 13G (passive) | Dec 23, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of OMEX | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Two Seas Capital LP | 5,592,985 | 9.53% | $4.76M | – | 0.09% |
| Old West Investment Management, LLC | 4,502,674 | 7.67% | $3.83M | −270,522 | 0.41% |
| Citadel Advisors LLC | 4,036,680 | 6.88% | $14.67M | +2,487,598 | 0.00% |
| Vanguard Capital Management LLC | 2,394,545 | 4.08% | $2.04M | −2,096 | 0.00% |
| Jefferies Financial Group Inc. | 1,500,000 | 2.56% | $1.28M | – | 0.01% |
| Morgan Stanley | 1,382,420 | 2.36% | $1.18M | +1,381,327 | 0.00% |
| UBS Group AG | 1,201,457 | 2.05% | $1.02M | +837,727 | 0.00% |
| Susquehanna International Group, Llp | 666,396 | 1.14% | $566.70K | −162,181 | 0.00% |
| Geode Capital Management, LLC | 602,772 | 1.03% | $512.84K | −2,590 | 0.00% |
| BlackRock, Inc. | 458,789 | 0.78% | $390.15K | +66,851 | 0.00% |
| Vanguard Fiduciary Trust Co | 299,555 | 0.51% | $254.62K | +32,996 | 0.00% |
| State Street Corp | 229,812 | 0.39% | $195.43K | – | 0.00% |
| XTX Topco Ltd | 171,844 | 0.29% | $146.14K | −49,968 | 0.00% |
| L. Roy Papp & Associates, LLP | 152,461 | 0.26% | $129.65K | – | 0.01% |
| Group One Trading, L.P. | 148,438 | 0.25% | $126.23K | +21,619 | 0.00% |
| Northern Trust Corp | 123,442 | 0.21% | $104.98K | +6,001 | 0.00% |
| Rockefeller Capital Management L.P. | 116,749 | 0.20% | $99.28K | −7,000 | 0.00% |
| Voisard Asset Management Group, Inc. | 108,000 | 0.18% | $91.84K | – | 0.02% |
| Caprock Group, LLC | 105,140 | 0.18% | $89.41K | +20,000 | 0.00% |
| BlackDiamond Wealth Management Inc. | 100,000 | 0.17% | $87.65K | New | 0.04% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 58 | 24M | 41.7% | 15 / 13 | 11 / 16 | 5M | 2M |
| Q1 2026 | 61 | 22M | 36.7% | 19 / 11 | 12 / 11 | 6M | 3M |
| Q4 2025 | 55 | 20M | 33.4% | 12 / 24 | 7 / 8 | 6M | 1M |
| Q3 2025 | 52 | 14M | 24.7% | 14 / 17 | 5 / 7 | 11M | 0M |
| Q2 2025 | 45 | 4M | 6.9% | 11 / 13 | 6 / 7 | 1M | 2M |
| Q1 2025 | 41 | 4M | 7.6% | 8 / 8 | 5 / 5 | 0M | 0M |
| Q4 2024 | 39 | 4M | 7.6% | 10 / 4 | 13 / 9 | 3M | 4M |
| Q3 2024 | 38 | 6M | 9.9% | 12 / 7 | 5 / 20 | 1M | 3M |
| Q2 2024 | 47 | 8M | 14.0% | 6 / 15 | 9 / 1 | 0M | 1M |
| Q1 2024 | 42 | 9M | 14.6% | 5 / 9 | 11 / 2 | 1M | 0M |
| Q4 2023 | 39 | 8M | 13.3% | 5 / 13 | 7 / 6 | 1M | 1M |
| Q3 2023 | 41 | 8M | 13.8% | 8 / 9 | 3 / 3 | 1M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of OMEX | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,786,206 | 3.04% | $1.52M | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 573,057 | 0.98% | $487.33K | 0.00% | Jun 30, 2026 |
| Global Endurance Portfolio | 479,733 | 0.82% | $407.96K | 2.51% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 279,673 | 0.48% | $307.64K | 0.00% | May 31, 2026 |
| iShares Micro-Cap ETF | 181,176 | 0.31% | $154.07K | 0.01% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 94,221 | 0.16% | $103.64K | 0.00% | May 31, 2026 |
| Fidelity Series Total Market Index Fund | 77,676 | 0.13% | $85.44K | 0.00% | May 31, 2026 |
| Vanguard Balanced Index Fund | 35,282 | 0.06% | $30.00K | 0.00% | Jun 30, 2026 |
| Fidelity Nasdaq Composite Index Fund | 30,499 | 0.05% | $33.55K | 0.00% | May 31, 2026 |
| 1290 VT Micro Cap Portfolio | 12,148 | 0.02% | $10.33K | 0.00% | Jun 30, 2026 |
| Total Stock Market Index Trust | 1,314 | 0.00% | $1.12K | 0.00% | Jun 30, 2026 |
| Blackstone Alternative Multi-Strategy Fund | -17,300 | -0.03% | -$14.71K | -0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Mark Gordon | Chief Executive Officer, Director | 636,402 | 1.08% | Jul 2, 2026 |
| John D. Longley Jr | President & COO | 154,480 | 0.26% | Jul 2, 2026 |
| Jon D. Sawyer | Director | 119,798 | 0.20% | Jun 3, 2026 |
| Mark B. Justh | Director | 957,200 | 1.63% | Jun 3, 2026 |
| Todd E. Siegel | Director | 166,377 | 0.28% | Jun 3, 2026 |
| Larissa Tiffany Pommeraud | Director | 101,970 | 0.17% | Jun 3, 2026 |
| Jonathan Savitz | 10% owner | 18,155,796 | 30.93% | Mar 17, 2026 |
| Greywolf Opportunities Master Fund II, L.P. | 10% owner | 18,155,796 | 30.93% | Mar 17, 2026 |
| GP LLC Greywolf | 10% owner | – | – | Mar 17, 2026 |
| Capital Management LP Greywolf | 10% owner | – | – | Mar 17, 2026 |
| Advisors LLC Greywolf | 10% owner | – | – | Mar 17, 2026 |
| Gallardo Juan Antonio Carlos Cortina | 10% owner | 3,931,466 | 6.70% | Aug 20, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| John D. Longley Jr President & COO | Jun 30, 2026 | Award | +4,167 | – | – | 154,480 |
| Mark Gordon Chief Executive Officer, Director | Jun 30, 2026 | Award | +4,167 | – | – | 636,402 |
| Mark Gordon Chief Executive Officer, Director | Jun 30, 2026 | Tax withholding | −1,139 | $0.85 | $968 | 635,263 |
| Jon D. Sawyer Director | Jun 1, 2026 | Option exercise | +20,000 | – | – | 108,926 |
| Todd E. Siegel Director | Jun 1, 2026 | Option exercise | +20,000 | – | – | 166,377 |
| Mark B. Justh Director | Jun 1, 2026 | Option exercise | +20,000 | – | – | 879,207 |
| Larissa Tiffany Pommeraud Director | Jun 1, 2026 | Option exercise | +20,000 | – | – | 101,970 |
| Jon D. Sawyer Director | May 14, 2026 | Award | +9,346 | – | – | 88,926 |
| Larissa Tiffany Pommeraud Director | May 14, 2026 | Award | +9,346 | – | – | 81,970 |
| Todd E. Siegel Director | Apr 20, 2026 | Award | +31,475 | – | – | 146,377 |
| Larissa Tiffany Pommeraud Director | Apr 20, 2026 | Award | +23,981 | – | – | 72,624 |
| Mark Gordon Chief Executive Officer, Director | Mar 23, 2026 | Option exercise | +150,000 | $0.41 | $61.50K | 632,235 |
| Larissa Tiffany Pommeraud Director | Mar 8, 2026 | Award | +6,803 | – | – | 48,643 |
| Todd E. Siegel Director | Feb 6, 2026 | Award | +7,937 | – | – | 114,902 |
| Larissa Tiffany Pommeraud Director | Feb 6, 2026 | Award | +5,291 | – | – | 41,840 |
| Larissa Tiffany Pommeraud Director | Jan 6, 2026 | Award | +10,204 | – | – | 36,549 |
| Todd E. Siegel Director | Jan 6, 2026 | Award | +7,653 | – | – | 106,965 |
| Larissa Tiffany Pommeraud Director | Dec 5, 2025 | Award | +4,854 | – | – | 26,345 |
| Jon D. Sawyer Director | Dec 5, 2025 | Award | +4,854 | – | – | 79,580 |
| Todd E. Siegel Director | Dec 5, 2025 | Award | +7,282 | – | – | 99,312 |
| Jon D. Sawyer Director | Nov 6, 2025 | Award | +4,695 | – | – | 74,726 |
| Larissa Tiffany Pommeraud Director | Nov 6, 2025 | Award | +4,695 | – | – | 21,491 |
| Todd E. Siegel Director | Nov 6, 2025 | Award | +7,042 | – | – | 92,030 |
| Mark Gordon Chief Executive Officer, Director | Oct 20, 2025 | Sale(10b5-1 plan) | −30,000 | $3.56 | $106.80K | 482,235 |
| Mark Gordon Chief Executive Officer, Director | Oct 17, 2025 | Sale(10b5-1 plan) | −30,000 | $3.50 | $105.00K | 512,235 |
| Mark Gordon Chief Executive Officer, Director | Oct 16, 2025 | Sale(10b5-1 plan) | −30,000 | $3.87 | $116.10K | 542,235 |
| Mark Gordon Chief Executive Officer, Director | Oct 15, 2025 | Sale(10b5-1 plan) | −30,000 | $3.98 | $119.40K | 572,235 |
| Mark Gordon Chief Executive Officer, Director | Oct 14, 2025 | Sale(10b5-1 plan) | −30,000 | $3.74 | $112.20K | 602,235 |
| John D. Longley Jr President & COO | Oct 14, 2025 | Option exercise | +143,500 | $0.41 | $58.84K | 293,813 |
| John D. Longley Jr President & COO | Oct 14, 2025 | Sale(10b5-1 plan) | −143,500 | $3.71 | $532.39K | 150,313 |
| John D. Longley Jr President & COO | Oct 14, 2025 | Sale(10b5-1 plan) | −73,572 | $3.75 | $275.90K | 150,313 |
| Mark Gordon Chief Executive Officer, Director | Oct 13, 2025 | Sale(10b5-1 plan) | −20,956 | $3.50 | $73.35K | 632,235 |
| John D. Longley Jr President & COO | Oct 13, 2025 | Sale(10b5-1 plan) | −38,977 | $3.50 | $136.42K | 223,885 |
| John D. Longley Jr President & COO | Oct 13, 2025 | Option exercise | +6,500 | $0.41 | $2.67K | 262,862 |
| Gallardo Juan Antonio Carlos Cortina 10% owner | Jul 31, 2025 | Option exercise | +1,939,468 | $1.10 | $2.13M | 3,931,466 |
| Gallardo Juan Antonio Carlos Cortina 10% owner | Jul 29, 2025 | Other | −1,991,998 | – | – | 0 |
| Gallardo Juan Antonio Carlos Cortina 10% owner | Jul 29, 2025 | Other | +1,991,998 | – | – | 1,991,998 |
| Gallardo Juan Antonio Carlos Cortina 10% owner | Jul 22, 2025 | Sale | −409,100 | $1.70 | $695.47K | 1,991,998 |
| Gallardo Juan Antonio Carlos Cortina 10% owner | Jul 18, 2025 | Sale | −473,591 | $1.72 | $814.58K | 2,401,098 |
| Gallardo Juan Antonio Carlos Cortina 10% owner | Jul 17, 2025 | Sale | −96,409 | $1.70 | $163.90K | 2,874,689 |
| Larissa Tiffany Pommeraud Director | Jul 15, 2025 | Award | +8,475 | – | – | 16,796 |
| Gallardo Juan Antonio Carlos Cortina 10% owner | Jun 30, 2025 | Option exercise | +489,279 | $1.10 | $538.21K | 2,971,098 |
| Mark Gordon Chief Executive Officer, Director | Jun 27, 2025 | Award | +365,242 | $1.04 | $379.85K | 653,191 |
| John D. Longley Jr President & COO | Jun 27, 2025 | Award | +144,466 | $1.04 | $150.24K | 256 |
| Mark B. Justh Director | Jun 27, 2025 | Award | +385,242 | $1.04 | $400.65K | 859,207 |
| Larissa Tiffany Pommeraud Director | Apr 14, 2025 | Award | +8,321 | – | – | 8,321 |
| Todd E. Siegel Director | Apr 14, 2025 | Award | +28,083 | – | – | 84,988 |
| Mark B. Justh Director | Dec 31, 2024 | Buy | +50,000 | $0.64 | $32.00K | 551,124 |
| Mark B. Justh Director | Dec 24, 2024 | Buy | +250,000 | $0.55 | $137.50K | 501,124 |
| Todd E. Siegel Director | Oct 23, 2024 | Award | +13,954 | – | – | 56,905 |
| Todd E. Siegel Director | Apr 8, 2024 | Award | +2,953 | – | – | 42,951 |
| John D. Longley Jr President & COO | Dec 20, 2023 | Award | +41,745 | – | – | 127,487 |
| John D. Longley Jr President & COO | Dec 20, 2023 | Tax withholding | −15,591 | $3.13 | $48.80K | 111,896 |
| Mark Gordon Chief Executive Officer, Director | Dec 20, 2023 | Tax withholding | −33,035 | $3.13 | $103.40K | 267,949 |
| Mark Gordon Chief Executive Officer, Director | Dec 20, 2023 | Award | +88,449 | – | – | 300,984 |
| Todd E. Siegel Director | Nov 30, 2023 | Award | +3,160 | – | – | 39,998 |
| Todd E. Siegel Director | Jun 9, 2023 | Award | +5,311 | – | – | 36,838 |
| Mark B. Justh Director | Jun 9, 2023 | Award | +5,311 | – | – | 251,124 |
| Jon D. Sawyer Director | Jun 9, 2023 | Award | +5,311 | – | – | 70,031 |
| John Abbott Director | Apr 6, 2023 | Sale | −16,922 | $3.03 | $51.27K | 0 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| D. Gordon Mark Director, Officer | Oct 20, 2025 | 30,000 | $111.75K | Oct 20, 2025 | Restricted Stock Units |
| D. Gordon Mark Director, Officer | Oct 17, 2025 | 30,000 | $97.50K | Oct 17, 2025 | Restricted Stock Units |
| D. Gordon Mark Director, Officer | Oct 16, 2025 | 30,000 | $111.90K | Oct 16, 2025 | Restricted Stock Units |
| D. Gordon Mark Director, Officer | Oct 15, 2025 | 30,000 | $123.60K | Oct 15, 2025 | Restricted Stock Units |
| D. Longley John Jr. Officer | Oct 14, 2025 | 143,500 | $500.82K | Oct 14, 2025 | Exercise of Stock Options |
| D. Longley John Jr. Officer | Oct 14, 2025 | 6,500 | $18.33K | Oct 13, 2025 | Exercise of Stock Options |
| D. Gordon Mark Director, Officer | Oct 14, 2025 | 20,956 | $59.10K | Oct 13, 2025 | Restricted Stock Units |
| D. Gordon Mark Director, Officer | Oct 14, 2025 | 30,000 | $104.70K | Oct 14, 2025 | Restricted Stock Units |
| Tr Of J. D. Longley Jr &w L. Longley U/A/D 1/15/2014 Rev Officer | Oct 14, 2025 | 32,477 | $91.59K | Oct 13, 2025 | Restricted Stock Units |
| Tr Of J. D. Longley Jr &w L. Longley U/A/D 1/15/2014 Rev Officer | Oct 14, 2025 | 73,572 | $256.77K | Oct 14, 2025 | Restricted Stock Units |
| Christopher Emlyn Jones Officer | Sep 26, 2023 | 62,846 | $233.16K | Sep 27, 2023 | Stock Option |