Costamare Inc. (NYSE: CMRE), an SEC filer in Deep Sea Foreign Transportation of Freight, closed at $15.41, +0.4%, on 2026-08-28. Institutional ownership, earnings history and filed financials are on the tabs below.
% of shares outstanding not shown: no SEC cover-page share count falls within 120 days of the 2026-Q1 quarter end, so any percentage would rest on a count that cannot speak for this quarter. Holder share counts are shown as filed.
Crowding percentile lands with its cohort — the cohort is size-matched, so it needs a market cap for CMRE in the served universe — that lands with the next screener build.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | DIMENSIONAL FUND ADVISORS LP | 7,178,6657.2M | $121M | — | — |
| 2 | BlackRock, Inc. | 4,301,2424.3M | $73M | — | TRIM -13% |
| 3 | ACADIAN ASSET MANAGEMENT LLC | 3,129,5243.1M | $53M | — | ADD 11% |
| 4 | AMERICAN CENTURY COMPANIES INC | 1,403,2741.4M | $24M | — | TRIM -16% |
| 5 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1,174,2641.2M | $20M | — | — |
| 6 | STATE STREET CORP | 1,042,3521.0M | $18M | — | — |
| 7 | Qube Research & Technologies Ltd | 1,017,7271.0M | $17M | — | ADD 139% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | 1,011,7321.0M | $17M | — | TRIM -5% |
| 9 | GOLDMAN SACHS GROUP INC | 986,856986,856 | $17M | — | TRIM -12% |
| 10 | MORGAN STANLEY | 979,676979,676 | $17M | — | TRIM -4% |
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC | +682,531 | $12M | OPEN |
| Qube Research & Technologies Ltd | +591,883 | $10M | ADD |
| TWO SIGMA INVESTMENTS, LP | +588,679 | $10M | OPEN |
| ACADIAN ASSET MANAGEMENT LLC | +317,059 | $5M | ADD |
| MARSHALL WACE, LLP | +204,274 | $3M | ADD |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −855,283 | $14M | CLOSE |
| BlackRock, Inc. | −636,490 | $11M | TRIM |
| VestGen Advisors, LLC | −345,481 | $6M | CLOSE |
| AMERICAN CENTURY COMPANIES INC | −276,536 | $5M | TRIM |
| LAZARD ASSET MANAGEMENT LLC | −253,194 | $4M | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 7.4M | 7.3M | 7.2M | 7.2M | 7.2M | 7.2M | $121M |
| BlackRock, Inc. | 2.8M | 3.4M | 3.5M | 4.9M | 4.9M | 4.3M | $73M |
| ACADIAN ASSET MANAGEMENT LLC | 2.7M | 1.9M | 1.8M | 2.4M | 2.8M | 3.1M | $53M |
| AMERICAN CENTURY COMPANIES INC | 1.1M | 1.2M | 1.3M | 1.5M | 1.7M | 1.4M | $24M |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 1.5M | 1.5M | 1.2M | 1.2M | 1.2M | 1.2M | $20M |
| STATE STREET CORP | 1.3M | 984K | 900K | 1.0M | 1.0M | 1.0M | $18M |
| Qube Research & Technologies Ltd | 160K | 390K | 606K | 605K | 426K | 1.0M | $17M |
| RENAISSANCE TECHNOLOGIES LLC | 1.2M | 1.1M | 1.1M | 1.2M | 1.1M | 1.0M | $17M |
| GOLDMAN SACHS GROUP INC | 337K | 480K | 566K | 523K | 1.1M | 987K | $17M |
| MORGAN STANLEY | 896K | 1.0M | 791K | 974K | 1.0M | 980K | $17M |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Holders only — breaks = no 13F.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
| Holder | % of class | Type | As of | |
|---|---|---|---|---|
| Konstantakopoulos Christos | 14.7% | Exempt | 2026-06-30 | SEC → |
SEC Schedule 13D/G XML · group aggregate.
