Costamare Bulkers Holdings
CMDB · NYSE
$19.57+$0.25 (+1.29%)TodayMarket closed ·
Prev close $19.32
Who owns CMDB
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 76.0% of CMDB’s shares.
- Konstantakopoulos (Achillefs)18.9%
- Konstantakopoulos (Christos)15.7%
- Kent Maritime Investments S.A12.3%
- Konstantinos (Konstantakopoulos)11.5%
- Next 6 largest institutions17.5%
- All other shareholders24.0%
| Holder | Shares | % of shares |
|---|---|---|
| Konstantakopoulos (Achillefs) | 4.57M | 18.87% |
| Konstantakopoulos (Christos) | 3.81M | 15.72% |
| Kent Maritime Investments S.A | 2.99M | 12.32% |
| Konstantinos (Konstantakopoulos) | 2.79M | 11.53% |
| Dimensional Fund Advisors, L.P. | 1.29M | 5.34% |
| Longshaw Maritime Investments SA | 945.32K | 3.90% |
| Costamare Shipping Services Ltd | 810.61K | 3.34% |
| BlackRock Institutional Trust Company, N.A. | 452.92K | 1.87% |
| Columbia Threadneedle Investments (US) | 425.41K | 1.76% |
| American Century Investment Management, Inc. | 317.98K | 1.31% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| DFA US Small Cap Value Portfolio | 352.50K | 1.45% |
| Columbia Small Cap Value Discovery Fund | 298.02K | 1.23% |
| Avantis US Small Cap Value ETF | 284.22K | 1.17% |
| iShares Russell 2000 ETF | 218.94K | 0.90% |
| DFA Dimensional US Small Cap Value ETF | 106.93K | 0.44% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $442.87K (1 trade) of CMDB on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Zikos Grigorios | Sale | 24.20K | $442.87K |
Short interest
Settled Sep 30, 2026
- Shares short
- 292.18K
- Days to cover
- 5.42
- % of shares outstanding
- 1.21%
- Average daily volume
- 53.89K
- Change since last report
- +4.4%
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