Comparable stake leader
Christos Konstantakopoulos
SEC ownership of Costamare Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001503584.
Disclosed value leader
Christos Konstantakopoulos
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- CMRE, CMRE-PC, CMRE-PB, CMRE-PD on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Christos Konstantakopoulos
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Christos Konstantakopoulos
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001503584
- Issuer location
- Monaco
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Costamare Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Christos Konstantakopoulos
Disclosed value leader
Christos Konstantakopoulos
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 15%
13D/G row: Christos Konstantakopoulos
Showing 1-8 of 50 holder rows.
Quick read
Christos Konstantakopoulos leads the comparable SEC ownership view at 15%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Christos Konstantakopoulos's linked filing trail.
Comparable ownership
Top 5
Christos Konstantakopoulos
15%
Grigorios Zikos
0.05%
Vagn Lehd Moller
0.01%
DIMENSIONAL FUND ADVISORS LP
5.9%
BlackRock, Inc.
3.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Christos Konstantakopoulos |
13D/G
|
15%
|
$280,731,043
17,801,588 shares
|
$0 | 30 Jun 2026 |
| Grigorios Zikos |
3/4/5
Chief Financial Officer, Director
|
0.05%
|
$1,046,601
59,840 shares
|
— | 18 Mar 2026 |
| Vagn Lehd Moller |
3/4/5
Director
|
0.01%
|
$161,695
9,245 shares
|
— | 18 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
5.9%
|
$121,315,059
7,178,665 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
3.6%
|
$72,690,986
4,301,242 shares
|
— | 31 Mar 2026 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
2.6%
|
$52,842,000
3,129,524 shares
|
— | 31 Mar 2026 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
1.2%
|
$23,715,331
1,403,274 shares
|
— | 31 Mar 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.97%
|
$19,845,062
1,174,264 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 18 Jul 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-5 of 5 reporting-owner rows connected to Costamare Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
5
Largest Forms 3/4/5 holder
Konstantakopoulos Konstantinos
Net 12M change
$0
Latest report
30 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Konstantakopoulos Konstantinos | Chairman and CEO, Director | $300,355,266 | Mixed | 30 Jun 2026 | ||
| Grigorios Zikos | Chief Financial Officer, Director | $1,046,601 | Mixed | 18 Mar 2026 | ||
| Konstantinos Zacharatos | Director | $734,580 | Mixed | 18 Mar 2026 | ||
| Vagn Lehd Moller | Director | $161,695 | Mixed | 18 Mar 2026 | ||
| Charlotte Stratos | Director | Mixed | 18 Mar 2026 |
Recent insider transactions for Costamare Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Konstantinos Konstantakopoulos | CMRE | Common Stock, par value $0.0001 per share | Other | 2.01% | 74,800 | 3,799,032 | 30 Jun 2026 | See Footnote | ||
| Konstantinos Konstantakopoulos | CMRE | Common Stock, par value $0.0001 per share | Other | 2.05% | 74,800 | 3,724,232 | 30 Mar 2026 | See Footnote |
* marks a reported price that did not pass the local price check.