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 Sep 30, 2025
Ownership Breakdown
187
Institutional Holders
▲ 20 vs Q2
$435.18M
Total Inst. Value
▲ $130.54M vs Q2
120.74M
Shares Outstanding
freeFloat 36.46%
35.81M
13F Shares Held
▼ 566,592 vs Q2
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
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
DIMENSIONAL FUND ADVISORS LP deep sea foreign transportation of freight | 7.20M | 5.99% | 5.99% | $85.76B | Nov 12, 2025 | ▼ 48.0K |
BLACKROCK, INC. deep sea foreign transportation of freight | 4.91M | 4.08% | 4.08% | $58.44B | Nov 12, 2025 | ▲ 1.45M |
ACADIAN ASSET MANAGEMENT LLC deep sea foreign transportation of freight | 2.43M | 2.02% | 2.02% | $28.88B | Nov 13, 2025 | ▲ 592.3K |
AMERICAN CENTURY COMPANIES INC deep sea foreign transportation of freight | 1.50M | 1.25% | 1.25% | $17.87B | Nov 12, 2025 | ▲ 178.4K |
BRIDGEWAY CAPITAL MANAGEMENT, LLC deep sea foreign transportation of freight | 1.20M | 99.92% | 99.92% | $14.29B | Nov 14, 2025 | ▲ 25.2K |
RENAISSANCE TECHNOLOGIES LLC deep sea foreign transportation of freight | 1.17M | 97.35% | 97.35% | $13.93B | Nov 13, 2025 | ▲ 24.1K |
JPMORGAN CHASE & CO deep sea foreign transportation of freight | 1.16M | 96.69% | 96.69% | $13.83B | Nov 26, 2025 | ▲ 131.2K |
STATE STREET CORP deep sea foreign transportation of freight | 1.04M | 86.22% | 86.22% | $12.34B | Nov 14, 2025 | ▲ 136.1K |
MORGAN STANLEY deep sea foreign transportation of freight | 974.2K | 81.10% | 81.10% | $11.60B | May 27, 2026 | ▲ 183.0K |
AMERIPRISE FINANCIAL INC deep sea foreign transportation of freight | 828.8K | 69.00% | 69.00% | $9.87B | Nov 14, 2025 | ▲ 26.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+3.72M shares5
New Positions
first time holders18
Decreased
−925.7K shares0
Sold Out
fully exitedNet shares change (top 50)
+2.79M
+3.72M / −925.7K
Net new holders
+13
5 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 29.7% of total shares outstanding. Company insiders own approximately 63.54%, while retail and public investors account for the remaining 6.80%.
The largest institutional shareholder of Costamare Inc. is DIMENSIONAL FUND ADVISORS LP, holding approximately 7.20 million shares — equal to 5.99% of outstanding shares — as of September 30, 2025.
A total of 187 institutional investors currently hold CMRE stock, with a combined institutional value of approximately $435,180,275 as of the most recent 13F filing period.
Frequently asked questions
CMRE ownershipCostamare Inc. (CMRE) is primarily owned by institutional investors, who hold approximately 29.7% of shares. The largest shareholder is DIMENSIONAL FUND ADVISORS LP with a 5.99% stake. Company insiders hold 63.54%. Data sourced from SEC Form 13F as of September 30, 2025.