Costamare Inc.
Costamare Inc. (CMRE) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CMRE · as of Mar 31, 2025
Ownership Breakdown
176
Institutional Holders
▼ 8 vs Q4
$420.47M
Total Inst. Value
▼ $8.49M vs Q4
120.74M
Shares Outstanding
freeFloat 36.46%
42.73M
13F Shares Held
▲ 9.36M 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
CMRE largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
NUVEEN, LLC deep sea foreign transportation of freight | 10.11M | 8.43% | 8.43% | $5.55T | May 12, 2025 | NEW |
DIMENSIONAL FUND ADVISORS LP deep sea foreign transportation of freight | 7.33M | 6.11% | 6.11% | $72.17B | May 13, 2025 | ▼ 46.7K |
BLACKROCK, INC. deep sea foreign transportation of freight | 3.41M | 2.84% | 2.84% | $33.52B | May 2, 2025 | ▲ 580.8K |
ACADIAN ASSET MANAGEMENT LLC deep sea foreign transportation of freight | 1.86M | 1.55% | 1.55% | $18.27B | May 21, 2025 | ▼ 873.9K |
BRIDGEWAY CAPITAL MANAGEMENT, LLC deep sea foreign transportation of freight | 1.48M | 1.23% | 1.23% | $14.58B | May 15, 2025 | ▼ 65.2K |
AMERICAN CENTURY COMPANIES INC deep sea foreign transportation of freight | 1.20M | 99.74% | 99.74% | $11.77B | May 13, 2025 | ▲ 119.1K |
RENAISSANCE TECHNOLOGIES LLC deep sea foreign transportation of freight | 1.12M | 93.55% | 93.55% | $11.04B | May 14, 2025 | ▼ 68.1K |
MORGAN STANLEY deep sea foreign transportation of freight | 1.00M | 83.42% | 83.42% | $9.85B | May 15, 2025 | ▲ 104.6K |
STATE STREET CORP deep sea foreign transportation of freight | 984.5K | 82.07% | 82.07% | $9.69B | May 15, 2025 | ▼ 266.3K |
VANGUARD GROUP INC deep sea foreign transportation of freight | 843.8K | 70.34% | 70.34% | $8.30B | May 9, 2025 | ▼ 2.0K |
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
26
Increased
+2.93M shares1
New Positions
first time holders22
Decreased
−2.69M shares0
Sold Out
fully exitedNet shares change (top 50)
+242.1K
+2.93M / −2.69M
Net new holders
+5
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CMRE insider trading · insider activity
Source: SEC Form 4
1
Buy transactions
0
Sell transactions
0.00
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 |
|---|---|---|---|---|---|---|---|
Konstantakopoulos Konstantinos Chairman and CEO | Mar 30, 2026 | J-Other | 74,800 | — | — | 3.72M | 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
Costamare Inc. (CMRE) is primarily owned by institutional investors, who hold approximately 35.4% of total shares outstanding. Company insiders own approximately 63.54%, while retail and public investors account for the remaining 1.07%.
The largest institutional shareholder of Costamare Inc. is NUVEEN, LLC, holding approximately 10.11 million shares — equal to 8.43% of outstanding shares — as of March 31, 2025.
A total of 176 institutional investors currently hold CMRE stock, with a combined institutional value of approximately $420,473,384 as of the most recent 13F filing period.
Frequently asked questions
CMRE ownershipCostamare Inc. (CMRE) is primarily owned by institutional investors, who hold approximately 35.4% of shares. The largest shareholder is NUVEEN, LLC with a 8.43% stake. Company insiders hold 63.54%. Data sourced from SEC Form 13F as of March 31, 2025.