Costamare Bulkers Holdings Limited
Ownership
Ownership Structure
Who owns Costamare Bulkers Holdings Limited (CMDB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 49.1% of the shares are freely tradable; institutional investors hold 21.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Dimensional Fund Advisors, Inc. | 5.33 | 1,294,494 | -1.1 | 06/30/2026 |
| BlackRock Inc | 2.22 | 539,696 | +0.5 | 03/31/2026 |
| Ameriprise Financial Inc | 1.55 | 377,401 | +0.0 | 03/31/2026 |
| American Century Companies Inc | 1.31 | 317,984 | -0.9 | 06/30/2026 |
| Oceanic Investment Management LTD | 1.14 | 277,778 | +8.6 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| DFA US Small Cap Value I | 1.45 | 352,505 | +0.0 | 07/31/2026 |
| Columbia Small Cap Value Discv A | 1.23 | 298,024 | +3.3 | 07/31/2026 |
| Columbia Small Cap Value Discovery Fund | 1.19 | 288,424 | +3.0 | 06/30/2026 |
| Avantis US Small Cap Value ETF | 1.17 | 284,218 | +0.0 | 08/31/2026 |
| iShares Russell 2000 ETF | 0.89 | 216,576 | -0.6 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 6, 2026 | Zikos Grigorios | Chief Executive Officer | Sell | 24,203 | 18.30 | 442,869 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.