Security key
Y2001C101
Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value (CMDB)
CUSIP: Y2001C101
Q2 2025 13F Holders as of 30 Jun 2025
- Security type / class
- Equity / Common Stock, $0.0001 Par Value
- Total 13F shares
- 5,120,666
- Total 13F value
- $44,389,627
- Share change
- +5,119,817
- SEC-reported price per share
- $8.67
- Number of holders
- 84
- Value change
- +$44,382,266
- Number of buys
- 83
- Shares outstanding
- 24,138,531
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2025
Institutions
84
Top holders
10
CMDB full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Costamare Bulkers Holdings Ltd SEC filings
Costamare Bulkers Holdings Ltd company facts
Broader feeds
Reporting periods
Holder history for CUSIP Y2001C101
Recent filing periods:
Ownership snapshot
Top reported holders of CMDB - Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value (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
Achillefs Konstantakopoulos
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
3/3
Latest evidence
30 Jun 2025
13D/G
Lead comparable stake: 19%
13D/G row: Achillefs Konstantakopoulos
Quick read
Achillefs Konstantakopoulos leads the comparable SEC ownership view at 19%.
3 of 3 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 Achillefs Konstantakopoulos's linked filing trail.
Comparable ownership
Top 3
Achillefs Konstantakopoulos
19%
Christos Konstantakopoulos
16%
DIMENSIONAL FUND ADVISORS LP
6.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-3 of 3 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Achillefs Konstantakopoulos |
13D/G
Konstantakopoulos, Achillefs
|
19%
|
—
4,523,506 shares
|
$0 | 06 May 2025 |
| Christos Konstantakopoulos |
13D/G
Konstantakopoulos, Christos
|
16%
|
—
3,810,317 shares
|
$0 | 06 May 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
|
6.1%
|
$12,710,914
1,465,556 shares
|
$0 | 30 Jun 2025 |
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.
13F holder rows
Institutional holders as of Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
84
Shares
5,120,666
Rows available
84
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2025 vs Q4 2025 Across Filers
Q4 2025 holders
89
Q2 2025 holders
84
Holder diff
-5
| Investor | Q4 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q4 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend