Institutional Ownership
Costamare Bulkers Hldgs Ltd
CUSIP Y2001C101COM SHSQ1 2026
13D / 13G Filings
6
Schedule 13D/13G on record
Beneficial Filers
5
Distinct reporting persons
Largest Stake
30.9%
Max % of class reported
Institutional Holders
94
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
6 filings · latest Oct 20, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 20, 2025 | Konstantakopoulos Konstantinos | 13D/A | 30.9% | — | SEC |
| 2 | Aug 28, 2025 | Konstantakopoulos Konstantinos | 13D/A | 29.7% | — | SEC |
| 3 | Jul 15, 2025 | Dimensional Fund Advisors LP | 13G | 6.1% | 1.47M | SEC |
| 4 | May 6, 2025 | Konstantakopoulos, Christos | 13G | 15.7% | 3.81M | SEC |
| 5 | May 6, 2025 | Konstantakopoulos, Achillefs | 13G | 18.7% | 4.52M | SEC |
| 6 | May 6, 2025 | Konstantakopoulos, Konstantinos | 13D | 28.6% | — | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Dimensional Fund Advisors LP | 1.31M | $20.25M |
| 2 | Blackrock, Inc. | 539.7K | $8.35M |
| 3 | Ameriprise Financial Inc | 377.4K | $5.84M |
| 4 | American Century Companies Inc | 320.7K | $4.96M |
| 5 | Oceanic Investment Management Ltd | 255.7K | $3.96M |
| 6 | Renaissance Technologies LLC | 204.4K | $3.16M |
| 7 | Morgan Stanley | 158.8K | $2.46M |
| 8 | State Street Corp | 142.9K | $2.21M |
| 9 | Qube Research & Technologies Ltd | 121.9K | $1.89M |
| 10 | Walleye Capital LLC | 114.6K | $1.77M |