Latest Period
Q4 2025
- Info
- Insider Trading
- Financials
- Holders
Security Snapshot
Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value (CMDB) Institutional Ownership
CUSIP: Y2001C101
13F Institutional Holders and Ownership History from Q2 2025 to Q1 2026
Institutions Reporting
87
Shares (Excl. Options)
4,471,064
Price
$15.41
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- Type / Class
- Equity / Common Stock, $0.0001 Par Value
- Symbol
- CMDB on NYSE
- Shares outstanding
- 24,138,531
- Price per share
- $15.47
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 4,471,064
- Total reported value
- $68,899,517
- % of total 13F portfolios
- 0%
- Share change
- -115,676
- Value change
- -$1,553,724
- Number of holders
- 87
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- CMDB - Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value is tracked under CUSIP Y2001C101.
- 87 institutions reported positions in Q4 2025.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 87 to 8 between Q4 2025 and Q1 2026.
- Reported value moved from $68,899,517 to $60,169.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 87 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP Y2001C101?
CUSIP Y2001C101 identifies CMDB - Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Continue With The Right Next Step
- Latest 13F filings - identify new institutional portfolio moves.
- Latest Schedule 13D/13G reports - cross-check beneficial ownership events.
- All institutional ownership pages - compare nearby CUSIPs and holder concentration.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP Y2001C101:
Significant Owners of Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value (CMDB) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Konstantakopoulos Konstantinos | 31% | +4% | $107,183,788 | +$3,667,925 | 7,458,806 | +3.5% | Konstantakopoulos Konstantinos | 16 Oct 2025 |
| Konstantakopoulos Achillefs | 19% | 4,523,506 | Konstantakopoulos, Achillefs | 06 May 2025 | ||||
| Konstantakopoulos Christos | 16% | 3,810,317 | Konstantakopoulos, Christos | 06 May 2025 | ||||
| DIMENSIONAL FUND ADVISORS LP | 6.1% | $12,710,914 | 1,465,556 | Dimensional Fund Advisors LP | 30 Jun 2025 |
As of 31 Dec 2025, 87 institutional investors reported holding 4,471,064 shares of Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value (CMDB). This represents 19% of the company’s total 24,138,531 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Costamare Bulkers Holdings Ltd - Common Stock, $0.0001 Par Value (CMDB) together control 17% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 5.6% | 1,359,048 | -4.4% | 0% | $20,943,133 |
| BlackRock, Inc. | 2.2% | 537,106 | +4.5% | 0% | $8,276,804 |
| AMERICAN CENTURY COMPANIES INC | 1.1% | 273,657 | +10% | 0% | $4,217,054 |
| Oceanic Investment Management LTD | 0.85% | 204,778 | 0% | 3.3% | $3,155,629 |
| MORGAN STANLEY | 0.74% | 177,697 | -1.9% | 0% | $2,738,311 |
| STATE STREET CORP | 0.59% | 141,760 | -2.8% | 0% | $2,184,522 |
| RENAISSANCE TECHNOLOGIES LLC | 0.57% | 138,049 | -9.7% | 0% | $2,127,335 |
| Nuveen, LLC | 0.51% | 122,007 | +285% | 0% | $1,880,128 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.5% | 119,830 | -19% | 0.04% | $1,846,580 |
| Qube Research & Technologies Ltd | 0.49% | 117,618 | -9.8% | 0% | $1,812,493 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.44% | 105,395 | +3.9% | 0% | $1,624,136 |
| Schonfeld Strategic Advisors LLC | 0.38% | 92,066 | +0.62% | 0.01% | $1,418,736 |
| Russell Investments Group, Ltd. | 0.36% | 85,787 | -13% | 0% | $1,321,978 |
| GOLDMAN SACHS GROUP INC | 0.33% | 79,896 | +76% | 0% | $1,231,198 |
| BOOTHBAY FUND MANAGEMENT, LLC | 0.27% | 65,874 | +246% | 0.03% | $1,015,118 |
| Empowered Funds, LLC | 0.25% | 60,030 | -33% | 0.02% | $925,062 |
| CITADEL ADVISORS LLC | 0.25% | 59,303 | -25% | 0% | $913,859 |
| MILLENNIUM MANAGEMENT LLC | 0.24% | 57,378 | -3% | 0% | $884,195 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.24% | 57,373 | +0.01% | 0% | $884,118 |
| VANGUARD GROUP INC | 0.22% | 53,997 | +3.1% | 0% | $832,094 |
| Quantinno Capital Management LP | 0.21% | 49,526 | +65% | 0% | $763,196 |
| NORTHERN TRUST CORP | 0.2% | 49,462 | -12% | 0% | $762,209 |
| JPMORGAN CHASE & CO | 0.2% | 49,041 | +0.69% | 0% | $755,721 |
| JANE STREET GROUP, LLC | 0.15% | 37,392 | -61% | 0% | $576,211 |
| Walleye Capital LLC | 0.13% | 32,156 | 0% | $495,524 |