ODYSSEY MARINE EXPLORATION INC - Common Stock, $0.0001 par value (OMEX) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2016 to Q4 2025

Type / Class
Equity / Common Stock, $0.0001 par value
Symbol
OMEX on Nasdaq
Shares outstanding
56,946,375
Price per share
$2.40
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
19,513,312
Total reported value
$38,245,848
% of total 13F portfolios
0%
Share change
+5,344,813
Value change
+$10,483,256
Number of holders
54
Price from insider filings
$2.40
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ODYSSEY MARINE EXPLORATION INC - Common Stock, $0.0001 par value (OMEX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Two Seas Capital LP 10% +4.9% $9,915,522 +$3,763,646 5,084,883 +61% Two Seas Capital LP 30 Sep 2025
Greywolf Capital Management LP 10% $6,768,282 4,542,471 Greywolf Capital Management LP 12 Aug 2025
Capital Latinoamericano, S.A. de C.V. 12% +35% $5,032,276 +$1,855,548 3,931,466 +58% Capital Latinoamericano, S.A. de C.V. 25 Apr 2025
Brumder William George 5.9% $5,207,085 2,670,300 Brumder William George 14 Oct 2025
FourWorld Capital Management LLC 0.8% -86% $1,047,813 -$1,487,520 455,571 -59% FourWorld Capital Management LLC 31 Dec 2025

As of 31 Dec 2025, 54 institutional investors reported holding 19,513,312 shares of ODYSSEY MARINE EXPLORATION INC - Common Stock, $0.0001 par value (OMEX). This represents 34% of the company’s total 56,946,375 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ODYSSEY MARINE EXPLORATION INC - Common Stock, $0.0001 par value (OMEX) together control 34% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Old West Investment Management, LLC 9.7% 5,496,448 +49% 1.9% $10,773,038
Two Seas Capital LP 9.1% 5,185,029 +13% 0.6% $10,162,657
Jefferies Financial Group Inc. 2.6% 1,500,000 +275% 0.02% $2,940,000
SUSQUEHANNA INTERNATIONAL GROUP, LLP 2.1% 1,169,296 +74% 0% $2,291,820
VANGUARD GROUP INC 1.5% 868,585 +36% 0% $1,702,427
Rangeley Capital, LLC 1.1% 608,749 +27% 1% $1,193,148
GEODE CAPITAL MANAGEMENT, LLC 0.98% 559,991 +37% 0% $1,098,075
RENAISSANCE TECHNOLOGIES LLC 0.86% 488,599 +1429% 0% $957,654
GROUP ONE TRADING LLC 0.8% 457,719 -35% 0.03% $897,129
BlackRock, Inc. 0.73% 415,069 +25% 0% $813,535
UBS Group AG 0.57% 326,173 +379% 0% $639,299
FOUNDATIONS INVESTMENT ADVISORS, LLC 0.51% 291,250 +4.9% 0.01% $570,850
SLT Holdings LLC 0.51% 291,250 +4.9% 0.38% $570,850
JANE STREET GROUP, LLC 0.48% 271,455 +258% 0% $532,052
MANGROVE PARTNERS IM, LLC 0.35% 197,952 0.03% $387,986
STATE STREET CORP 0.34% 195,512 -8.4% 0% $383,204
SIMPLEX TRADING, LLC 0.31% 178,554 +8717% 0.01% $349,965
L. Roy Papp & Associates, LLP 0.27% 152,461 0% 0.03% $298,824
NORTHERN TRUST CORP 0.21% 117,441 +21% 0% $230,184
XTX Topco Ltd 0.18% 100,135 0.01% $196,265
TWO SIGMA INVESTMENTS, LP 0.17% 94,420 +12% 0% $185,063
Qube Research & Technologies Ltd 0.14% 77,812 0% $152,512
VOISARD ASSET MANAGEMENT GROUP, INC. 0.12% 70,000 +65% 0.03% $137,200
Caprock Group, LLC 0.09% 50,140 0% $98,274
MORGAN STANLEY 0.09% 49,214 +10716% 0% $96,459

Institutional Holders of ODYSSEY MARINE EXPLORATION INC - Common Stock, $0.0001 par value (OMEX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 19,513,312 $38,245,848 +$10,483,256 $1.96 54
2025 Q3 14,240,586 $27,766,468 +$19,924,140 $1.95 52
2025 Q2 4,050,347 $4,778,655 -$228,892 $1.18 43
2025 Q1 4,463,773 $1,788,382 -$98,563 $0.40 36
2024 Q4 4,466,220 $3,215,257 -$1,331,117 $0.72 38
2024 Q3 5,802,225 $4,801,377 -$8,621,283 $0.83 37
2024 Q2 7,874,054 $38,425,184 -$3,248,327 $4.88 46
2024 Q1 8,134,886 $30,993,143 +$1,338,626 $3.81 41
2023 Q4 7,779,120 $36,160,411 -$104,761 $4.65 38
2023 Q3 8,082,606 $30,227,756 +$3,927,063 $3.74 40
2023 Q2 7,034,674 $26,742,229 +$456,947 $3.60 34
2023 Q1 6,936,849 $22,531,341 -$7,549 $3.25 42
2022 Q4 6,934,953 $26,905,051 +$1,272,171 $3.88 40
2022 Q3 7,038,357 $21,817,236 +$1,537,507 $3.10 38
2022 Q2 6,537,141 $22,290,140 +$7,500,632 $3.41 35
2022 Q1 4,338,134 $27,992,342 +$757,718 $6.66 35
2021 Q4 2,785,946 $14,494,700 +$52,369 $5.20 35
2021 Q3 1,993,285 $13,922,711 -$4,128,240 $7.00 33
2021 Q2 2,477,425 $15,756,573 +$7,175,886 $6.36 33
2021 Q1 1,345,659 $8,986,655 +$521,521 $6.68 30
2020 Q4 1,265,354 $8,953,000 +$559,170 $7.11 26
2020 Q3 976,672 $6,640,000 +$960,071 $6.80 24
2020 Q2 730,188 $3,350,000 -$39,695 $4.61 20
2020 Q1 739,915 $2,479,766 +$62,820 $3.35 22
2019 Q4 721,545 $2,300,000 -$7,000 $3.19 17
2019 Q3 31,965 $120,000 +$48,000 $3.00 6
2019 Q2 740,061 $4,288,000 -$424,949 $5.80 23
2019 Q1 801,481 $5,738,000 +$180,288 $7.16 23
2018 Q4 780,968 $2,600,000 -$168,855 $3.33 19
2018 Q3 753,485 $6,343,000 +$8,805 $8.10 24
2018 Q2 762,906 $6,555,000 -$159,663 $8.29 26
2018 Q1 773,194 $6,390,000 +$998,385 $8.27 20
2017 Q4 683,428 $2,577,000 -$212,145 $3.77 21
2017 Q3 734,489 $3,186,000 +$364,018 $4.34 21
2017 Q2 651,109 $2,346,000 -$5,977 $3.60 17
2017 Q1 657,266 $2,588,000 +$865,981 $3.94 18
2016 Q4 649,625 $2,220,000 +$77,008 $3.41 18
2016 Q3 599,899 $2,129,000 -$189,089 $3.54 18
2016 Q2 660,609 $1,332,000 -$1,775,447 $2.01 16
2016 Q1 912,723 $6,195,000 +$6,179,000 $6.78 21