Vault-13

ODYSSEY MARINE EXPL INC OMEX

COM NEW · Common Stock · CUSIP 676118201

48 institutional holders +5 vs Q1 2024
8,195,4548.2m shares reported held*
39.8% of all shares outstanding*
$39.6mreported value*
6 new 15 added 9 reduced 1 sold out net sold ≈ $1.6m (-358.2k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 20.6m as of 2024-08-05, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $4.84. Options: 6 managers hold calls ($2.3m notional), 6 hold puts ($2.2m).

Trends to Q2 2024

Institutional holders

Managers reporting a position, each quarter

0204060Q3 22: 41Q4 22: 41Q1 23: 45Q2 23: 37Q3 23: 42Q4 23: 40Q1 24: 43Q2 24: 4848Q3 22Q1 23Q3 23Q1 24Q2 24
Numbers
QuarterHolders
Q3 202241
Q4 202241
Q1 202345
Q2 202337
Q3 202342
Q4 202340
Q1 202443
Q2 202448

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q4 22: 7 bought or addedQ4 22: 15 cut or sold outQ4 22Q1 23: 13 bought or addedQ1 23: 7 cut or sold outQ2 23: 11 bought or addedQ2 23: 15 cut or sold outQ2 23Q3 23: 17 bought or addedQ3 23: 6 cut or sold outQ4 23: 16 bought or addedQ4 23: 13 cut or sold outQ4 23Q1 24: 14 bought or addedQ1 24: 13 cut or sold outQ2 24: 21 bought or addedQ2 24: 10 cut or sold outQ2 24
Numbers
QuarterBought or addedCut or sold out
Q4 2022715
Q1 2023137
Q2 20231115
Q3 2023176
Q4 20231613
Q1 20241413
Q2 20242110

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$1m$2m$3mQ3 23 calls: $360.8kQ3 23 puts: $798.4kQ3 23P/C 2.21Q4 23 calls: $603.4kQ4 23 puts: $659.5kQ4 23P/C 1.09Q1 24 calls: $789.7kQ1 24 puts: $1.2mQ1 24P/C 1.55Q2 24 calls: $2.3mQ2 24 puts: $2.2mQ2 24P/C 0.95
Numbers
QuarterCallsPutsP/C
Q3 2023$360.8k$798.4k2.21
Q4 2023$603.4k$659.5k1.09
Q1 2024$789.7k$1.2m1.55
Q2 2024$2.3m$2.2m0.95

Biggest buyers

RENAISSANCE TECHNOLOGIES LLC New +76,200+76.2k
FIFTH LANE CAPITAL, LP Added +33,194+33.2k
BlackRock Inc. Added +31,326+31.3k
Belvedere Trading LLC New +29,130+29.1k
VANGUARD GROUP INC Added +18,868+18.9k
JANE STREET GROUP, LLC New +16,099+16.1k
Squarepoint Ops LLC New +11,808+11.8k
MORGAN STANLEY Added +10,510+10.5k
GOLDMAN SACHS GROUP INC New +10,094+10.1k
Creative Planning New +10,000+10.0k

Biggest sellers

UBS Group AG Reduced -179,349-179.3k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced -108,091-108.1k
Corbin Capital Partners, L.P. Reduced -103,001-103.0k
Two Seas Capital LP Reduced -86,949-86.9k
FourWorld Capital Management LLC Reduced -86,306-86.3k
SIMPLEX TRADING, LLC Sold out -51,033-51.0k
GROUP ONE TRADING LLC Reduced -17,645-17.6k
BOOTHBAY FUND MANAGEMENT, LLC Reduced -14,888-14.9k
FNY Investment Advisers, LLC Reduced -864-864
WELLS FARGO & COMPANY/MN Reduced -144-144

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $2.2m443.4k shares
CITADEL ADVISORS LLC Reduced $79.1k16.2k shares
Belvedere Trading LLC New $42.0k8.6k shares
SIMPLEX TRADING, LLC Reduced $36.0k7.4k shares
GROUP ONE TRADING LLC Reduced $16.6k3.4k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $1.9m395.0k shares
GROUP ONE TRADING LLC Added $103.0k21.1k shares
CITADEL ADVISORS LLC Reduced $103.0k21.1k shares
SIMPLEX TRADING, LLC Reduced $65.0k13.5k shares
FIFTH LANE CAPITAL, LP New $24.4k5.0k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Capital Latinoamericano, S.A. de C.V. 13G · passive investor +3.1 pts · filed 2025-07-31 11.6% +3.1 pts 3.9m≈ $3.3m 2025-07-31
Greywolf Capital Management LP 13G · passive investor +0.9 pts · filed 2026-03-04 10.9% +0.9 pts 6.4m≈ $5.4m 2026-03-04
Two Seas Capital LP 13D · may seek influence no change · filed 2026-04-13
Stated purposeThe Reporting Persons acquired the securities reported herein for investment purposes in the ordinary course of business. The Reporting Persons acquired such securities because they believed that such securities, when purchased, represented an attractive investment opportunity. On April 8, 2026, the Issuer, Oceanus Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of the Issuer ("Merger Sub"), and American Ocean Minerals Corporation, a Delaware corporation ("AOM,") entered into an Agreement and Plan of Merger (the "Merger Agreement") pursuant to which Merger Sub will merge with and into AOM, with AOM surviving the merger and becoming a direct, wholly owned subsidiary of Odyssey (the "Merger"). In connection with the Merger Agreement, on April 8, 2026, the Issuer, AOM an… Full filing
10.0% no change 5.9m≈ $5.0m 2026-04-13
Old West Investment Management, LLC 13G · institution new · filed 2026-05-12 8.2% new 4.8m≈ $4.1m 2026-05-12

Fell to 5% or below in the last year: Brumder William George (0.2%, 2026-04-21), FourWorld Capital Management LLC (0.8%, 2026-02-17)

Insider purchases and sales in Q2 2024

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q3 22: 0 buyingQ3 22: 0 sellingQ4 22: 0 buyingQ4 22: 0 sellingQ4 22Q1 23: 0 buyingQ1 23: 0 sellingQ2 23: 0 buyingQ2 23: 1 sellingQ2 23Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 0 sellingQ4 23Q1 24: 0 buyingQ1 24: 0 sellingQ2 24: 0 buyingQ2 24: 0 sellingQ2 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20220—0——
Q4 20220—0——
Q1 20230—0——
Q2 20230—1$180.0k—
Q3 20230—0——
Q4 20230—0——
Q1 20240—0——
Q2 20240—0——

None reported in Q2 2024.

Holders, Q2 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 FourWorld Capital Management LLC 19.45% of their portfolio NEW YORK, NY 3,029,7413.0m $14.8m $14.8m 19.45% Reduced -86.3k -86,306
2 Two Seas Capital LP 0.92% of their portfolio RYE, NY 1,150,6661.2m $5.6m $5.6m 0.92% Reduced -86.9k -86,949
3 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 855,373855.4k $4.2m $4.2m 0.00% Added +18.9k +18,868
4 Corbin Capital Partners, L.P. 5.28% of their portfolio NEW YORK, NY 551,484551.5k $2.3m $2.3m 5.28% Reduced -103.0k -103,001
5 Whitefort Capital Management, LP 1.65% of their portfolio NEW YORK, NY 548,909548.9k $2.7m $2.7m 1.65% Unchanged
6 BOOTHBAY FUND MANAGEMENT, LLC 0.06% of their portfolio NEW YORK, NY 428,716428.7k $2.1m $2.1m 0.06% Reduced -14.9k -14,888
7 Kestra Advisory Services, LLC 0.01% of their portfolio AUSTIN, TX 269,050269.1k $1.3m $1.3m 0.01% Added +9.9k +9,881
8 BlackRock Inc. 0.00% of their portfolio New York, NY 232,864232.9k $1.1m $1.1m 0.00% Added +31.3k +31,326
9 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 209,227209.2k $1.0m $1.0m 0.00% Added +4.7k +4,724
10 Stonegate Investment Group, LLC 0.02% of their portfolio BIRMINGHAM, AL 125,357125.4k $611.7k $611.7k 0.02% Added +6.7k +6,665
11 Jefferies Financial Group Inc. 0.01% of their portfolio NEW YORK, NY 103,520103.5k $505.2k $505.2k 0.01% Unchanged
12 FIFTH LANE CAPITAL, LP 0.86% of their portfolio Austin, TX 80,19480.2k $391.3k $391.3k 0.86% Added +33.2k +33,194
13 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 76,20076.2k $371.9k $371.9k 0.00% New
14 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 61,98362.0k $302.5k $302.5k 0.00% Added +5.4k +5,400
15 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 53,47853.5k $261.0k $261.0k 0.00% Reduced -108.1k -108,091
16 TRANSCEND CAPITAL ADVISORS, LLC 0.02% of their portfolio MADISON, NJ 51,30051.3k $250.3k $250.3k 0.02% Unchanged
17 ARS Wealth Advisors Group, LLC 0.03% of their portfolio St. Petersburg, FL 51,08951.1k $249.3k $249.3k 0.03% Added +2.8k +2,750
18 GROUP ONE TRADING LLC 0.01% of their portfolio CHICAGO, IL 39,32639.3k $191.9k $191.9k 0.01% Reduced -17.6k -17,645
19 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 37,86537.9k $184.8k $184.8k 0.00% Added +2.4k +2,438
20 COWEN AND COMPANY, LLC 0.00% of their portfolio NEW YORK, NY 36,00036.0k $175.7k $175.7k 0.00% Added +6.0k +6,000
21 Belvedere Trading LLC 0.01% of their portfolio CHICAGO, IL 29,13029.1k $142.2k $142.2k 0.01% New
22 DELTEC ASSET MANAGEMENT LLC 0.03% of their portfolio New York, NY 28,04528.0k $136.9k $136.9k 0.03% Unchanged
23 Apollon Wealth Management, LLC 0.00% of their portfolio MOUNT PLEASANT, SC 21,64621.6k $105.6k $105.6k 0.00% Unchanged
24 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 16,09916.1k $78.6k $78.6k 0.00% New
25 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 14,55414.6k $71.0k $71.0k 0.00% Added +10.5k +10,510
26 5th Street Advisors, LLC 0.03% of their portfolio Southport, CT 13,62113.6k $66.5k $66.5k 0.03% Unchanged
27 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 11,80811.8k $57.6k $57.6k 0.00% New
28 Cresset Asset Management, LLC 0.00% of their portfolio Chicago, IL 10,95811.0k $53.5k $53.5k 0.00% Unchanged
29 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 10,50010.5k $51.2k $51.2k 0.00% Added +3.5k +3,500
30 GenTrust, LLC 0.00% of their portfolio MIAMI, FL 10,37810.4k $50.6k $50.6k 0.00% Unchanged
31 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 10,09410.1k $49.3k $49.3k 0.00% New
32 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 10,00010.0k $48.8k $48.8k 0.00% New
33 FNY Investment Advisers, LLC 0.02% of their portfolio NEW YORK, NY 5,6365.6k $27.0k $27.0k 0.02% Reduced -864 -864
34 VOISARD ASSET MANAGEMENT GROUP, INC. 0.01% of their portfolio Grand Rapids, MI 4,0004.0k $19.5k $19.5k 0.01% Added +1.0k +1,000
35 QUADRANT CAPITAL GROUP LLC 0.00% of their portfolio CINCINNATI, OH 2,9703.0k $14.5k $14.5k 0.00% Unchanged
36 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 1,0351.0k $5.0k $5.0k 0.00% Unchanged
37 UBS Group AG 0.00% of their portfolio ZURICH, V8 710710 $3.5k $3.5k 0.00% Reduced -179.3k -179,349
38 NFSG Corp 0.00% of their portfolio BOCA RATON, FL 417417 $2.0k $2.0k 0.00% Unchanged
39 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 344344 $1.7k $1.7k 0.00% Reduced -144 -144
40 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 306306 $1.0k $1.0k 0.00% Added +303 +303
41 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 292292 $1.5k $1.5k 0.00% Unchanged
42 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 264264 $1.3k $1.3k 0.00% Added +155 +155
43 AlphaMark Advisors, LLC 0.00% of their portfolio FT. WRIGHT, KY 200200 $1.0k $1.0k 0.00% Unchanged
44 NewEdge Advisors, LLC 0.00% of their portfolio NEW ORLEANS, LA 8484 $410 $410 0.00% Unchanged
45 Parkside Financial Bank & Trust 0.00% of their portfolio SAINT LOUIS, MO 1010 $49 $49 0.00% Unchanged
46 Silicon Valley Capital Partners 0.00% of their portfolio SAN JOSE, CA 99 $44 $44 0.00% Unchanged
47 PRINCIPAL SECURITIES, INC. 0.00% of their portfolio DES MOINES, IA 22 $10 $10 0.00% Unchanged
48 CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0.00% of their portfolio BIRMINGHAM, AL 00 $0 $0 0.00% Unchanged