Latest Period
Q1 2026
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 Q1 2026
Institutions Reporting
18
Shares (Excl. Options)
637,822
Price
$2.02
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- USEA on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 637,822
- Total 13F value
- $1,290,008
- Portfolio coverage rank
- 0%
- Share change
- +325,707
- Value change
- +$655,448
- Number of holders
- 18
- Shares outstanding
- 9,538,536
- SEC-reported price per share
- $2.60
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- USEA - United Maritime Corp - Common Stock, par value $0.0001 per share is tracked under CUSIP Y92335101.
- 18 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 11 to 18 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $532,590 to $1,290,008.
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
Open SEC evidence
Latest holder context comes from 18 institutions filings for Q1 2026.
Security key
Y92335101
Latest holder period
Q1 2026
13F holders
18
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
USEA full holder history
United Maritime Corp SEC filings
United Maritime Corp company facts
United Maritime Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP Y92335101:
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 31 Mar 2026, 18 institutional investors reported holding 637,822 shares of United Maritime Corp - Common Stock, par value $0.0001 per share (USEA). This represents 6.7% of the company’s total 9,538,536 outstanding shares.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
15
Latest
Q1 2026
Rows shown
1-15 of 15
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 637,822 | $1,290,008 | +$655,448 | $2.02 | 18 |
| 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 |