USEA · United Maritime Corp · Shareholders & Ownership
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Every disclosed holder of USEA in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns USEA
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: shares outstanding cannot be set against these holders.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 607,261 | — |
| Insiders (Forms 3, 4, 5) | 0 | — |
| 13D/G-only blocks | 1,394,534 | — |
| Registered funds (N-PORT, not summed) | 0 | — |
% Out is unavailable: a foreign private issuer reports ordinary shares, a different unit from the listed shares.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of USEA
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
Tsantanis Stamatios
Insider
CIK 1953130 · Mar 18, 2026
Director, Director, CEO, issuer-wide, not summed
|
1,434,534 | ||
| 1.1 |
Tsantanis Stamatios
13D
CIK 1953130 · Unknown · Mar 9, 2026
Item 4 purpose: not restated by this amendment, the earlier 13D's purpose stands
|
1,394,534 | ||
| 2 |
|
335,000 | ||
| 3 |
|
245,231 | ||
| 4 |
|
241,678 | ||
| 5 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
222,572 | ||
| 6 |
|
148,567 | ||
| 7 |
|
88,396 | ||
| 8 |
NewEdge Advisors, LLC
13F
CIK 1633516 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
81,105 | ||
| 9 |
ANGELES WEALTH MANAGEMENT, LLC
13F
CIK 1929170 · Registered investment adviser · Sep 30, 2026
|
77,052 | ||
| 10 |
ACADIAN ASSET MANAGEMENT LLC
13F
CIK 916542 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
55,717 | ||
| 11 |
Centiva Capital, LP
13F
CIK 1692507 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
28,814 | ||
| 12 |
Focus Partners Wealth
13F
CIK 1542153 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
21,068 | ||
| 13 |
Cetera Investment Advisers
13F
CIK 1666741 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
19,041 | ||
| 14 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
10,369 | ||
| 15 |
OSAIC HOLDINGS, INC.
13F
CIK 1677044 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,609 | ||
| 16 |
SBI Securities Co., Ltd.
13F
CIK 1851815 · Non-US institution · Sep 30, 2026
|
1,358 | ||
| 17 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
85 | ||
| 18 |
ROYAL BANK OF CANADA
13F
CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
59 | ||
| 19 |
Caitong International Asset Management Co., Ltd
13F
CIK 1963355 · Unknown · Sep 30, 2026
|
16 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.