CMDB Institutional Ownership & Shareholders
Costamare Bulkers Holdings Ltd (CMDB) is currently held by 96 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $95.29M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Dimensional Fund Advisors Lp is currently the largest disclosed institutional shareholder of CMDB tracked by InsiderSet, reporting ownership valued at approximately $27.43M in its September 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $23.08M, representing an estimated loss of -15.86% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 71% of the total disclosed CMDB value among the investors covered in this analysis. Major shareholders include Dimensional Fund Advisors Lp, Blackrock, Inc., Ameriprise Financial Inc, and several other long-term asset managers with concentrated positions in Costamare Bulkers Holdings Ltd (CMDB).
This page ranks the largest institutional CMDB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
96
Total Reported Value
$95.29M
Largest Holder
Dimensional Fund Advisors Lp
Largest Position
$27.43M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
115
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Dimensional Fund Advisors Lp | 0.00% | 1,256,981 | $27,428,918 | $23,078,171 | -$4,350,747 | -15.86% | |
| Blackrock, Inc. | 0.00% | 556,263 | $9,767,978 | $10,212,989 | +$445,011 | +4.56% | |
| Ameriprise Financial Inc | 0.00% | 425,412 | $7,470,233 | $7,810,564 | +$340,331 | +4.56% | |
| American Century Companies Inc | 0.00% | 317,984 | $5,583,799 | $5,838,186 | +$254,387 | +4.56% | |
| Oceanic Investment Management Ltd | 6.33% | 277,778 | $4,877,781 | $5,100,004 | +$222,223 | +4.56% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 196,146 | $3,444,324 | $3,601,241 | +$156,917 | +4.56% |
| Morgan Stanley | 0.00% | 156,325 | $2,745,067 | $2,870,127 | +$125,060 | +4.56% | |
| State Street Corp | 0.00% | 141,901 | $2,491,782 | $2,605,302 | +$113,520 | +4.56% | |
| Qube Research & Technologies Ltd | 0.00% | 117,562 | $2,064,389 | $2,158,438 | +$94,049 | +4.56% | |
| Geode Capital Management, Llc | 0.00% | 114,016 | $2,002,120 | $2,093,334 | +$91,214 | +4.56% | |
| Boothbay Fund Management, Llc | 0.04% | 111,340 | $1,955,130 | $2,044,202 | +$89,072 | +4.56% | |
| Nuveen, Llc | 0.00% | 99,495 | $1,747,133 | $1,826,728 | +$79,595 | +4.56% | |
| Russell Investments Group, Ltd. | 0.00% | 95,867 | $1,683,424 | $1,760,118 | +$76,694 | +4.56% | |
| Quantinno Capital Management Lp | 0.00% | 74,757 | $1,312,733 | $1,372,539 | +$59,806 | +4.56% | |
| Bridgeway Capital Management, Llc | 0.02% | 72,830 | $1,278,895 | $1,337,159 | +$58,264 | +4.56% | |
| Two Sigma Investments, Lp | 0.00% | 64,121 | $1,125,965 | $1,177,262 | +$51,297 | +4.56% | |
| Walleye Capital Llc | 0.01% | 60,678 | $1,065,506 | $1,114,048 | +$48,542 | +4.56% | |
| Vanguard Portfolio Management Llc | 0.00% | 58,059 | $1,019,516 | $1,065,963 | +$46,447 | +4.56% | |
| Charles Schwab Investment Management Inc | 0.00% | 54,994 | $965,695 | $1,009,690 | +$43,995 | +4.56% | |
| Goldman Sachs Group Inc | 0.00% | 54,343 | $954,264 | $997,737 | +$43,473 | +4.56% | |
| Northern Trust Corp | 0.00% | 52,987 | $930,452 | $972,841 | +$42,389 | +4.56% | |
| Bank Of America Corp | 0.00% | 51,874 | $910,908 | $952,407 | +$41,499 | +4.56% | |
| Marshall Wace, Llp | 0.00% | 49,515 | $869,482 | $909,095 | +$39,613 | +4.56% | |
| Strs Ohio | 0.00% | 37,300 | $813,886 | $684,828 | -$129,058 | -15.86% | |
| Citigroup Inc | 0.00% | 32,609 | $711,528 | $598,701 | -$112,827 | -15.86% | |
| Los Angeles Capital Management Llc | 0.00% | 39,781 | $698,554 | $730,379 | +$31,825 | +4.56% | |
| Jacobs Levy Equity Management, Inc | 0.00% | 37,842 | $664,506 | $694,779 | +$30,273 | +4.56% | |
| Creative Planning | 0.00% | 28,366 | $618,946 | $520,800 | -$98,146 | -15.86% | |
| Jpmorgan Chase & Co | 0.00% | 34,181 | $614,915 | $627,563 | +$12,648 | +2.06% | |
| Moran Wealth Management, Llc | 0.02% | 27,700 | $604,414 | $508,572 | -$95,842 | -15.86% | |
| Citadel Advisors Llc | 0.00% | 33,458 | $587,522 | $614,289 | +$26,767 | +4.56% | |
| Millennium Management Llc | 0.00% | 30,811 | $541,041 | $565,690 | +$24,649 | +4.56% | |
| Horizon Kinetics Asset Management Llc | 0.01% | 27,580 | $484,305 | $506,369 | +$22,064 | +4.56% | |
| Aqr Capital Management Llc | 0.00% | 25,232 | $443,075 | $463,260 | +$20,185 | +4.56% | |
| Bank Of New York Mellon Corp | 0.00% | 24,693 | $433,609 | $453,363 | +$19,754 | +4.56% | |
| Prelude Capital Management, Llc | 0.03% | 23,334 | $409,745 | $428,412 | +$18,667 | +4.56% | |
| Empowered Funds, Llc | 0.00% | 23,030 | $404,407 | $422,831 | +$18,424 | +4.56% | |
| Arax Advisory Partners | 0.00% | 22,803 | $400,421 | $418,663 | +$18,242 | +4.56% | |
| Xtx Topco Ltd | 0.00% | 15,053 | $264,331 | $276,373 | +$12,042 | +4.56% | |
| Trexquant Investment Lp | 0.00% | 14,326 | $251,565 | $263,025 | +$11,460 | +4.56% | |
| Winton Group Ltd | 0.01% | 13,323 | $233,952 | $244,610 | +$10,658 | +4.56% | |
| Point72 Asset Management, L.P. | 0.00% | 12,859 | $225,804 | $236,091 | +$10,287 | +4.56% | |
| Rhumbline Advisers | 0.00% | 12,256 | $215,207 | $225,020 | +$9,813 | +4.56% | |
| Savant Capital, Llc | 0.00% | 11,020 | $193,512 | $202,327 | +$8,815 | +4.56% | |
| Squarepoint Ops Llc | 0.00% | 10,797 | $189,595 | $198,233 | +$8,638 | +4.56% | |
| Alliancebernstein L.P. | 0.00% | 12,172 | $188,301 | $223,478 | +$35,177 | +18.68% | |
| Algert Global Llc | 0.00% | 10,454 | $183,572 | $191,935 | +$8,363 | +4.56% | |
| Wells Fargo & Company/Mn | 0.00% | 9,139 | $160,485 | $167,792 | +$7,307 | +4.55% | |
| Fmr Llc | 0.00% | 8,629 | $151,520 | $158,428 | +$6,908 | +4.56% | |
| Deutsche Bank Ag\ | 0.00% | 7,040 | $123,622 | $129,254 | +$5,632 | +4.56% |
Frequently asked questions about CMDB
Who are the largest institutional holders of CMDB?
The largest institutional holders of CMDB reported in the latest SEC Form 13F filings include Dimensional Fund Advisors Lp, Blackrock, Inc., Ameriprise Financial Inc, American Century Companies Inc, and Oceanic Investment Management Ltd. InsiderSet ranks institutional holders by their latest reported CMDB position.
What is CMDB institutional ownership?
This page tracks CMDB positions reported by institutional investment managers through SEC Form 13F. Costamare Bulkers Holdings Ltd (CMDB) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own CMDB?
InsiderSet currently tracks 96 institutional managers reporting CMDB holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of CMDB shareholders.
How much CMDB stock do institutions own?
Institutional investment managers disclosed approximately $95.29M in CMDB holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was CMDB institutional ownership last updated?
The latest CMDB institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional CMDB holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its CMDB position after the reporting date.
Are institutions buying or selling CMDB?
Institutional buying and selling can be analyzed by comparing CMDB positions across consecutive 13F reporting periods. InsiderSet's CMDB Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View CMDB ownership changes.
How has CMDB institutional ownership changed over time?
InsiderSet tracks CMDB institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.