Costamare Bulkers Holdings Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:CMDB Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
27 Mar 26	BuyUS$982	Katerina Eleftheriou	Individual		65	US$15.11
27 Aug 25	BuyUS$2,550,441	Konstantinos Konstantakopoulos	Individual		251,275	US$10.15

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of CMDB?
Owner Type	Number of Shares	Ownership Percentage
Public Companies	846	0.00349%
General Public	3,162,582	13%
Institutions	5,157,826	21.3%
Individual Insiders	15,919,727	65.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 83.89% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
30.9%	Konstantinos Konstantakopoulos	7,492,780	US$131.6m	5.65%	no data
18.9%	Achillefs Konstantakopoulos	4,587,024	US$80.5m	9.79%	no data
15.7%	Christos Konstantakopoulos	3,810,317	US$66.9m	0%	no data
5.4%	Dimensional Fund Advisors LP	1,308,857	US$23.0m	-3.69%	no data
2.23%	BlackRock, Inc.	539,696	US$9.5m	0.48%	no data
1.56%	Columbia Management Investment Advisers, LLC	377,401	US$6.6m	16.3%	no data
1.32%	American Century Investment Management Inc	320,746	US$5.6m	17.2%	no data
1.05%	Oceanic Investment Management Limited	255,677	US$4.5m	24.9%	4.01%
0.84%	Renaissance Technologies LLC	204,439	US$3.6m	48.1%	no data
0.59%	Bridgeway Capital Management, LLC	143,860	US$2.5m	-20%	0.03%
0.59%	State Street Global Advisors, Inc.	142,891	US$2.5m	0.8%	no data
0.53%	Eaton Vance Management	128,179	US$2.3m	-6.41%	no data
0.5%	Qube Research & Technologies Ltd	121,900	US$2.1m	3.64%	no data
0.47%	Walleye Capital LLC	114,577	US$2.0m	256%	0.01%
0.44%	Geode Capital Management, LLC	106,689	US$1.9m	1.23%	no data
0.41%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	98,903	US$1.7m	-17.1%	no data
0.39%	Russell Investment Management, LLC	94,425	US$1.7m	10.1%	no data
0.37%	Boothbay Fund Management, LLC	89,239	US$1.6m	35.5%	0.03%
0.26%	Quantinno Capital Management LP	62,104	US$1.1m	25.4%	no data
0.25%	Bank of America Corporation	59,990	US$1.1m	123%	no data
0.24%	Citadel Advisors LLC	58,156	US$1.0m	-1.93%	no data
0.23%	Marshall Wace LLP	56,859	US$998.5k	0%	no data
0.23%	Charles Schwab Investment Management, Inc.	54,921	US$964.4k	-4.27%	no data
0.22%	Northern Trust Global Investments	53,274	US$935.5k	7.71%	no data
0.22%	Goldman Sachs Asset Management, L.P.	53,222	US$934.6k	-10.5%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/07/01 05:25
End of Day Share Price	2026/07/01 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Costamare Bulkers Holdings Limited is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.