Costamare Bulkers (CMDB)
Charters Capesize-to-Supramax bulk carriers on index-linked rates through a Cargill-anchored trading platform.
$22.75
After hours+0.05 (+0.22%)
At close$22.70(−6.04%)
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13F · 13D/G · Form 4
| Institutions | ≈ 21.37% | 5.18M shares | |
|---|---|---|---|
| 101 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 67.05% | 16.25M shares | |
| 6 holders · as of Jul 20, 2026 | |||
| Other | ≈ 11.58% | 2.81M shares | |
| remainder | |||
24.24M company shares as of Aug 27, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
13F, as of Jun 30, 2026
101 holders · 5.18M shares · 14 new positions · 45 increased · 36 reduced · 9 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Dimensional Fund Advisors LP | 1.29M | 5.34% | −14.4K | Aug 11, 2026 |
| BlackRock, Inc. | 556.3K | 2.29% | +16.6K | Aug 7, 2026 |
| Ameriprise Financial Inc | 425.4K | 1.75% | +48.0K | Aug 14, 2026 |
| American Century Companies Inc | 318.0K | 1.31% | −2.8K | Aug 12, 2026 |
| Oceanic Investment Management Ltd | 277.8K | 1.15% | +22.1K | Aug 13, 2026 |
| Renaissance Technologies LLC | 196.1K | 0.81% | −8.3K | Aug 13, 2026 |
| Morgan Stanley | 156.3K | 0.64% | −2.5K | Aug 13, 2026 |
| State Street Corp | 141.9K | 0.59% | −990 | Aug 7, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Konstantakopoulos Konstantinosincl. Costamare Shipping Company S.A., Kent Maritime Investments S.A. +2 more | 30.90% | 7.46M | 13D | Oct 20, 2025 |
| Achillefs Konstantakopoulosincl. Costamare Shipping Services Ltd. | 20.50% | 4.98M | 13D | Jul 20, 2026 |
| Konstantakopoulos Achillefs | 19.70% | 4.79M | 13G | Jul 6, 2026 |
| Konstantakopoulos, Christos | 15.70% | 3.81M | 13G | May 6, 2025 |
| Dimensional Fund Advisors LP | 6.10% | 1.47M | 13G | Jul 15, 2025 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 6, 2026 | Grigorios Zikosdirector, officer: Chief Executive Officer | Sale | 24,203 | $18.30 | 0 |
| Mar 27, 2026 | Katerina Eleftherioudirector | Purchase | 65 | $15.11 | 865 |
House and Senate disclosures
Not reported.