Security key
Y2001C101
Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value (CMDB)
CUSIP: Y2001C101
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock, $0.0001 Par Value
- Total 13F shares
- 3,774
- Total 13F value
- $82,348
- Share change
- +823
- SEC-reported price per share
- $21.82
- Number of holders
- 5
- Value change
- +$17,958
- Number of buys
- 2
- Shares outstanding
- 24,291,249
Holder snapshot
5 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
5
Top holders
5
CMDB full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q2 2026
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
Konstantakopoulos Konstan...
Disclosed value leader
Konstantakopoulos Konstan...
Comparable rows
15/15
Latest evidence
17 Jul 2026
13D/G
13F
3/4/5
Lead comparable stake: 31%
13D/G row: Konstantakopoulos Konstantinos
Showing 1-6 of 15 holder rows.
Quick read
Konstantakopoulos Konstantinos leads the comparable SEC ownership view at 31%.
15 of 15 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 Konstantakopoulos Konstantinos's linked filing trail.
Comparable ownership
Top 5
Konstantakopoulos Konstantinos
31%
Achillefs Konstantakopoulos
20%
Christos Konstantakopoulos
16%
DIMENSIONAL FUND ADVISORS LP
6.1%
Lund Peter de Place
0.02%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Konstantakopoulos Konstantinos |
13D/G
|
31%
|
$107,183,788
7,458,806 shares
|
+$3,667,925 | 16 Oct 2025 |
| Achillefs Konstantakopoulos |
13D/G
|
20%
|
$87,456,087
4,979,706 shares
|
+$3,314,764 | 17 Jul 2026 |
| Christos Konstantakopoulos |
13D/G
Konstantakopoulos, Christos
|
16%
|
—
3,810,317 shares
|
$0 | 06 May 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
6.1%
from 13D/G
|
$22,732,559
1,294,494 shares
|
— | 30 Jun 2026 |
| Lund Peter de Place |
3/4/5
Director
|
0.02%
|
$55,733
3,738 shares
|
— | 18 Mar 2026 |
| Katerina Eleftheriou |
3/4/5
Director
|
0%
|
$13,070
865 shares
|
+$982 | 27 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.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
5
Shares
3,774
Rows available
5
| 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 Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
97
Q3 2026 holders
5
Holder diff
-92
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend