CMDB Costamare Bulkers Holdings Ltd: institutional ownership and insider trading
101 funds reported holding $90.8M of Costamare Bulkers Holdings Ltd in their latest 13F filings; in Q2 2026 funds net bought $173K, with 10 new positions and 8 funds selling out; over the last 12 months insiders bought $982 and sold $443K on the open market.
Famous investors holding CMDB
- Renaissance Technologies (Renaissance Technologies): $3.44M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $1.13M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $588K, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $541K, 0.0% of the portfolio
Largest institutional holders of CMDB
- DIMENSIONAL FUND ADVISORS LP — $22.7M
- BlackRock, Inc. (BLK) — $9.77M
- AMERIPRISE FINANCIAL INC (AMP) — $7.47M
- AMERICAN CENTURY COMPANIES INC — $5.58M
- Oceanic Investment Management LTD — $4.88M
- RENAISSANCE TECHNOLOGIES LLC — $3.44M
- MORGAN STANLEY (MS, MS-PA, MS-PE, MS-PF, MS-PI, MS-PK, MS-PL, MS-PO, MS-PP, MS-PQ) — $2.75M
- STATE STREET CORP (STT, STT-PG) — $2.49M
- Qube Research & Technologies Ltd — $2.06M
- GEODE CAPITAL MANAGEMENT, LLC — $2.00M
Recent CMDB insider trades
- Aug 6, 2026: Zikos Grigorios sold 24,203 shares ($443K)
- Mar 27, 2026: Eleftheriou Katerina bought 65 shares ($982)
5%+ owners
- Achillefs Konstantakopoulos: 20.5% (Schedule 13D, filed Jul 20, 2026)
- Konstantakopoulos Achillefs: 19.7% (Schedule 13G/A, filed Jul 6, 2026)