Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ESEA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | 101K | $6.7M | +4.2% | 1.428% | 0.01% |
| 2 | TWO SIGMA INVESTMENTS, LP | 84K | $5.6M | +168.5% | 1.190% | 0.00% |
| 3 | GOLDMAN SACHS GROUP INC | 38K | $2.5M | +220.2% | 0.534% | 0.00% |
| 4 | MORGAN STANLEY | 37K | $2.4M | -4.5% | 0.519% | 0.00% |
| 5 | D. E. Shaw & Co., Inc. | 34K | $2.3M | -19.8% | 0.488% | 0.00% |
| 6 | MARSHALL WACE, LLP | 24K | $1.6M | — | 0.341% | 0.00% |
| 7 | CWM Advisors, LLC | 24K | $1.6M | — | 0.337% | 0.13% |
| 8 | MILLENNIUM MANAGEMENT LLC | 23K | $1.5M | -57.2% | 0.324% | 0.00% |
| 9 | Boston Partners | 20K | $1.3M | +4.4% | 0.283% | 0.00% |
| 10 | North Star Investment Management Corp. | 15K | $1.0M | 0.0% | 0.213% | 0.06% |
| 11 | JANE STREET GROUP, LLC | 14K | $962K | +94.4% | 0.204% | 0.01% |
| 12 | CREDIT AGRICOLE S A | 14K | $952K | 0.0% | 0.202% | 0.00% |
| 13 | Squarepoint Ops LLC | 13K | $898K | +29.9% | 0.190% | 0.00% |
| 14 | Qube Research & Technologies Ltd | 13K | $887K | +113.3% | 0.188% | 0.00% |
| 15 | RAYMOND JAMES FINANCIAL INC | 12K | $826K | — | 0.175% | 0.00% |
| 16 | Walleye Capital LLC | 10K | $690K | -54.1% | 0.146% | 0.00% |
| 17 | STATE STREET CORP | 10K | $676K | +34.4% | 0.143% | 0.00% |
| 18 | State of Tennessee, Treasury Department | 10K | $663K | +40.4% | 0.141% | 0.00% |
| 19 | Engineers Gate Manager LP | 9K | $600K | +57.7% | 0.127% | 0.01% |
| 20 | LPL Financial LLC | 9K | $592K | -14.7% | 0.126% | 0.00% |
| 21 | Mariner, LLC | 8K | $538K | 0.0% | 0.114% | 0.00% |
| 22 | NAVELLIER & ASSOCIATES INC | 8K | $534K | -18.8% | 0.113% | 0.06% |
| 23 | Point72 Asset Management, L.P. | 7K | $457K | -48.7% | 0.097% | 0.00% |
| 24 | Jump Financial, LLC | 7K | $455K | -36.4% | 0.096% | 0.01% |
| 25 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 6K | $426K | 0.0% | 0.090% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ESEA — a direct measure of their conviction.
Filings activity in ESEA during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 60 | +9.1% | 8.21% | +1.33 pp | $41M | +19% |
| Q4 2025 | 55 | +15% | 6.88% | +0.43 pp | $35M | +6.6% |
| Q3 2025 | 48 | +14% | 6.45% | +2.79 pp | $33M | +77% |
| Q2 2025 | 42 | +40% | 3.66% | +1.43 pp | $18M | +64% |
| Q1 2025 | 30 | 25% | 2.23% | 1.01 pp | $11M | 31% |
| Q4 2024 | 40 | 9.1% | 3.24% | 0.97 pp | $16M | 23% |
| Q3 2024 | 44 | +7.3% | 4.21% | +1.12 pp | $21M | +36% |
| Q2 2024 | 41 | — | 3.09% | — | $16M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ESEA stock.
Based on Q1 2026 13F filings, institutional ownership of Euroseas Ltd. stands at 8.2%, held across 60 reporting institutions.
RENAISSANCE TECHNOLOGIES LLC is the largest reported institutional holder of ESEA, with approximately 100,765 shares worth $0.01B as of Q1 2026.
Yes — 5 widely-followed marquee investors appear among the top 25 institutional holders of ESEA, including RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP, MILLENNIUM MANAGEMENT LLC, JANE STREET GROUP, LLC, Point72 Asset Management, L.P..
Our composite Smart Money Score for ESEA is 80 out of 100 (Strong Smart Money). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
16 institutions opened new positions in ESEA during Q1 2026, while 11 fully exited. 33 added to existing positions and 11 trimmed.
ESEA institutional ownership rose by 1.33 percentage points quarter-over-quarter, with a net change of +5 holders.
The top 10 institutions account for 64.4% of all reported 13F value in ESEA, and the top 25 account for 88.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Euroseas Ltd. (ESEA) Institutional Ownership