Euroseas Ltd.
Euroseas Ltd. (ESEA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ESEA · as of Mar 31, 2025
Ownership Breakdown
29
Institutional Holders
▼ 10 vs Q4
$12.41M
Total Inst. Value
▼ $6.88M vs Q4
7.06M
Shares Outstanding
freeFloat 40.14%
404,965
13F Shares Held
▼ 128,232 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ESEA largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
RENAISSANCE TECHNOLOGIES LLC deep sea foreign transportation of freight | 98.6K | 1.41% | 1.41% | $3.02B | May 14, 2025 | ▼ 16.5K |
MILLENNIUM MANAGEMENT LLC deep sea foreign transportation of freight | 62.1K | 88.91% | 88.91% | $1.90B | May 15, 2025 | ▲ 21.2K |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP deep sea foreign transportation of freight | 46.3K | 66.25% | 66.25% | $1.42B | May 14, 2025 | ▼ 7.5K |
LAZARD ASSET MANAGEMENT LLC deep sea foreign transportation of freight | 36.0K | 51.49% | 51.49% | $1.10B | May 15, 2025 | ▲ 5.8K |
MARSHALL WACE, LLP deep sea foreign transportation of freight | 31.6K | 45.22% | 45.22% | $968.66M | May 15, 2025 | ▼ 9.1K |
NOVEM GROUP deep sea foreign transportation of freight | 18.6K | 26.61% | 26.61% | $570.09M | Apr 28, 2025 | ▼ 4.8K |
BOSTON PARTNERS deep sea foreign transportation of freight | 17.0K | 24.39% | 24.39% | $522.43M | May 13, 2025 | ▲ 4.6K |
ADVISOR GROUP HOLDINGS, INC. deep sea foreign transportation of freight | 14.0K | 20.09% | 20.09% | $430.37M | May 12, 2025 | ▲ 11.6K |
PERRITT CAPITAL MANAGEMENT INC deep sea foreign transportation of freight | 13.0K | 18.60% | 18.60% | $398.42M | May 13, 2025 | ▼ 1.5K |
D. E. SHAW & CO., INC. deep sea foreign transportation of freight | 10.9K | 15.53% | 15.53% | $332.58M | May 15, 2025 | ▼ 6.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
6
Increased
+55.5K shares2
New Positions
first time holders14
Decreased
−57.5K shares13
Sold Out
fully exitedNet shares change (top 50)
1.9K
+55.5K / −57.5K
Net new holders
-19
2 new / 13 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ESEA insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
1
Sell transactions
1.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Karmiri Stefania Corporate Secretary | Apr 16, 2026 | Sale | 250 | $72.00 | $18.0K | 0 | Form 4 ↗ |
Aslidis Anastasios Chief Financial Officer | Apr 14, 2026 | Purchase | 1,000 | $70.82 | $70.8K | 25.9K | Form 4 ↗ |
Pittas Aristeidis P Vice Chairman | Apr 14, 2026 | Sale | 250 | $70.20 | $17.6K | 57.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Euroseas Ltd. (ESEA) is primarily owned by institutional investors, who hold approximately 5.7% of total shares outstanding. Company insiders own approximately 59.86%, while retail and public investors account for the remaining 34.40%.
The largest institutional shareholder of Euroseas Ltd. is RENAISSANCE TECHNOLOGIES LLC, holding approximately 98,578 shares — equal to 1.41% of outstanding shares — as of March 31, 2025.
A total of 29 institutional investors currently hold ESEA stock, with a combined institutional value of approximately $12,412,115 as of the most recent 13F filing period.
Frequently asked questions
ESEA ownershipEuroseas Ltd. (ESEA) is primarily owned by institutional investors, who hold approximately 5.7% of shares. The largest shareholder is RENAISSANCE TECHNOLOGIES LLC with a 1.41% stake. Company insiders hold 59.86%. Data sourced from SEC Form 13F as of March 31, 2025.