Euroseas Ltd
Ownership
Ownership Structure
Who owns Euroseas Ltd (ESEA)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 40.2% of the shares are freely tradable; institutional investors hold 11.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Acadian Asset Management LLC | 1.12 | 79,313 | +0.3 | 06/30/2026 |
| Two Sigma Investments LLC | 0.96 | 67,592 | -19.5 | 06/30/2026 |
| Renaissance Technologies Corp | 0.93 | 65,465 | -35.0 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 0.49 | 34,652 | -5.4 | 06/30/2026 |
| CWM Advisors, LLC | 0.46 | 32,616 | +37.0 | 06/30/2026 |
| The Goldman Sachs Group Inc | 0.41 | 29,136 | -22.7 | 06/30/2026 |
| Boston Partners Global Investors, Inc | 0.35 | 24,648 | +23.3 | 06/30/2026 |
| D. E. Shaw & Co LP | 0.34 | 23,655 | -31.3 | 06/30/2026 |
| Qube Research & Technologies | 0.29 | 20,128 | +51.8 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| RAM (Lux) Sys Emg Mkts Equities B USD | 0.29 | 20,417 | +137.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Pittas Aristeidis P | Director | 58,950 | 3,902,490 $ | Oct 2, 2026 | indirect |
| Aslidis Anastasios | Chief Financial Officer | 20,910 | 1,384,242 $ | Oct 2, 2026 | direct |
| Kyriakopoulos Panagiotis | Director | 13,100 | 867,220 $ | Oct 26, 2026 | direct |
| Pariaros Symeon | Chief Administrative Officer | 1,900 | 125,780 $ | Sep 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 26, 2026 | Kyriakopoulos Panagiotis | Director | Sell | 1,400 | 66.60 | 93,240 |
| Oct 2, 2026 | Pittas Aristeidis P | Director | Buy | 525 | 71.07 | 37,313 |
| Oct 2, 2026 | Aslidis Anastasios | Chief Financial Officer | Sell | 1,000 | 72.10 | 72,100 |
| Oct 1, 2026 | Aslidis Anastasios | Chief Financial Officer | Sell | 4,000 | 71.31 | 285,240 |
| Sep 1, 2026 | Pariaros Symeon | Chief Administrative Officer | Sell | 950 | 79.00 | 75,050 |
| Aug 27, 2026 | Pittas Aristeidis P | Director | Buy | 375 | 75.86 | 28,449 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 11, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.