Security Snapshot

United Maritime Corp - Common Stock, par value $0.0001 per share (USEA) Institutional Ownership

CUSIP: Y92335101

13F Institutional Holders and Ownership History from Q3 2022 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

13

Shares (Excl. Options)

607.15KFull value: 607,152 · shares · 30 Jun 2026

Price

$2.63

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-30,669
Value change
-$40,200
Number of holders
13
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
9,538,536
SEC-reported price per share
$2.70
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • USEA - United Maritime Corp - Common Stock, par value $0.0001 per share is tracked under CUSIP Y92335101.
  • 13 institutions reported positions in Q2 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 17 to 13 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $1.29MFull value: $1,290,007 · USD · 31 Mar 2026
    to
    $1.61MFull value: $1,605,089 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 13 institutions filings for Q2 2026.

Open SEC evidence

Security key

Y92335101

13F reference period

Q2 2026

13F holders

13

13D/G owners

1

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
1
Security
USEA
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Tsantanis Stamatios 15% +13% $2,789,068 +$400,000 1,394,534 +17% Tsantanis Stamatios 09 Mar 2026
As of 30 Jun 2026, 13 institutional investors reported holding
607.15KFull value: 607,152 · shares · 30 Jun 2026
shares of United Maritime Corp - Common Stock, par value $0.0001 per share (USEA). This represents 6.4% of the company’s total
9.54MFull value: 9,538,536 · shares · Stored outstanding share count
outstanding shares.

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
17
Headline period
Q2 2026
Rows shown
1-17 of 17
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 1,358 $3,667 +$108 $2.70 1
2026 Q2 607,152 $1,605,089 -$40,200 $2.63 13
2026 Q1 637,821 $1,290,007 +$655,447 $2.02 17
2025 Q4 312,111 $532,590 +$304,209 $1.70 11
2025 Q3 136,331 $225,563 -$6,587 $1.64 12
2025 Q2 140,088 $206,700 +$58,750 $1.47 10
2025 Q1 104,098 $141,573 -$200,562 $1.36 11
2024 Q4 221,806 $383,384 -$97,544 $1.73 17
2024 Q3 259,948 $673,653 +$290,587 $2.60 16
2024 Q2 147,968 $383,683 +$56,953 $2.60 13
2024 Q1 126,226 $327,938 -$43,244 $2.61 10
2023 Q4 145,182 $356,734 +$75,814 $2.47 11
2023 Q3 116,126 $277,697 +$30,044 $2.40 14
2023 Q2 103,806 $280,303 +$39,408 $2.72 10
2023 Q1 90,180 $257,701 -$82,910 $2.87 9
2022 Q4 101,301 $449,518 +$327,150 $4.40 10
2022 Q3 43,232 $76,032 +$76,032 $1.77 6
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