COSTAMARE BULKERS HLDGS LTD (CMDB)
Institutional ownership reported to the SEC as of Q2 2026, across 5 quarters.
99
Reporting holders
$90.8M
Reported value
0.0%
Held as options
+4
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | $22.7M | 1,294,494 | 0.00% | 5q | -1.1%-$252.2K |
| BlackRock, Inc. | $9.8M | 556,263 | 0.00% | 5q | +3.1%+$290.9K |
| AMERIPRISE FINANCIAL INC | $7.5M | 425,412 | 0.00% | 2q | -43.6%-$5.8M |
| AMERICAN CENTURY COMPANIES INC | $5.6M | 317,984 | 0.00% | 5q | -0.9%-$48.5K |
| Oceanic Investment Management LTD | $4.9M | 277,778 | 6.26% | 3q | +8.6%+$388.1K |
| RENAISSANCE TECHNOLOGIES LLC | $3.4M | 196,146 | 0.00% | 5q | -4.1%-$145.6K |
| MORGAN STANLEY | $2.7M | 156,325 | 0.00% | 5q | -1.6%-$44.3K |
| STATE STREET CORP | $2.5M | 141,901 | 0.00% | 5q | -0.7%-$17.4K |
| Qube Research & Technologies Ltd | $2.1M | 117,562 | 0.00% | 5q | -3.6%-$76.2K |
| GEODE CAPITAL MANAGEMENT, LLC | $2.0M | 114,016 | 0.00% | 5q | +6.9%+$128.7K |
| BOOTHBAY FUND MANAGEMENT, LLC | $2.0M | 111,340 | 0.03% | 4q | +24.8%+$388.1K |
| Nuveen, LLC | $1.7M | 99,495 | 0.00% | 5q | -2.0%-$36.0K |
| Russell Investments Group, Ltd. | $1.7M | 95,867 | 0.00% | 5q | +1.5%+$25.3K |
| Quantinno Capital Management LP | $1.3M | 74,757 | 0.00% | 5q | +20.4%+$222.2K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | $1.3M | 72,830 | 0.02% | 5q | -28.5%-$509.2K |
| TWO SIGMA INVESTMENTS, LP | $1.1M | 64,121 | 0.00% | 2q | +129.1%+$634.5K |
| Walleye Capital LLC | $1.1M | 60,678 | 0.00% | 3q | -47.0%-$946.5K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $1.0M | 58,059 | 0.00% | 2q | +13.7%+$122.9K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $965.7K | 54,994 | 0.00% | 5q | HELD |
| Sixth Street Partners Management Company, L.P. | $965.7K | 54,994 | 0.00% | new | NEW |
| GOLDMAN SACHS GROUP INC | $954.3K | 54,343 | 0.00% | 5q | -26.9%-$350.4K |
| NORTHERN TRUST CORP | $930.5K | 52,987 | 0.00% | 5q | -0.5%-$5.0K |
| BANK OF AMERICA CORP /DE/ | $910.9K | 51,874 | 0.00% | 5q | -13.5%-$142.5K |
| MARSHALL WACE, LLP | $869.5K | 49,515 | 0.00% | 2q | -12.9%-$129.0K |
| LOS ANGELES CAPITAL MANAGEMENT LLC | $698.6K | 39,781 | 0.00% | 2q | +21.9%+$125.7K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $664.5K | 37,842 | 0.00% | new | NEW |
| STRS OHIO | $640.9K | 36,500 | 0.00% | 5q | +2181.2%+$612.8K |
| JPMORGAN CHASE & CO | $614.9K | 34,181 | 0.00% | 5q | +5.5%+$31.8K |
| CITADEL ADVISORS LLC | $587.5K | 33,458 | 0.00% | 4q | -42.5%-$433.7K |
| MILLENNIUM MANAGEMENT LLC | $541.0K | 30,811 | 0.00% | 4q | -28.4%-$214.1K |
| CITIGROUP INC | $526.1K | 29,958 | 0.00% | 5q | +106.6%+$271.5K |
| HORIZON KINETICS ASSET MANAGEMENT LLC | $484.3K | 27,580 | 0.01% | 5q | HELD |
| Moran Wealth Management, LLC | $468.9K | 26,700 | 0.01% | 3q | +30.4%+$109.3K |
| AQR CAPITAL MANAGEMENT LLC | $443.1K | 25,235 | 0.00% | 4q | +93.9%+$214.5K |
| Bank of New York Mellon Corp | $433.6K | 24,693 | 0.00% | 5q | +4.1%+$17.2K |
| PRELUDE CAPITAL MANAGEMENT, LLC | $409.7K | 23,334 | 0.03% | 3q | HELD |
| Empowered Funds, LLC | $404.4K | 23,030 | 0.00% | 5q | -45.2%-$333.6K |
| Arax Advisory Partners | $400.4K | 22,803 | 0.00% | 4q | +1204.5%+$369.7K |
| Creative Planning | $333.0K | 18,964 | 0.00% | 3q | -11.2%-$41.8K |
| XTX Topco Ltd | $264.3K | 15,053 | 0.00% | 2q | +2.2%+$5.8K |
| Trexquant Investment LP | $251.6K | 14,326 | 0.00% | 2q | -28.1%-$98.3K |
| WINTON GROUP Ltd | $234.0K | 13,323 | 0.01% | 2q | HELD |
| Point72 Asset Management, L.P. | $225.8K | 12,859 | 0.00% | 2q | +9.2%+$18.9K |
| RHUMBLINE ADVISERS | $215.2K | 12,256 | 0.00% | 5q | +2.0%+$4.2K |
| Savant Capital, LLC | $193.5K | 11,020 | 0.00% | 5q | HELD |
| Squarepoint Ops LLC | $189.6K | 10,797 | 0.00% | new | NEW |
| ALLIANCEBERNSTEIN L.P. | $188.3K | 12,172 | 0.00% | 4q | HELD |
| ALGERT GLOBAL LLC | $183.6K | 10,454 | 0.00% | new | NEW |
| WELLS FARGO & COMPANY/MN | $160.5K | 9,139 | 0.00% | 5q | -5.3%-$9.0K |
| FMR LLC | $151.5K | 8,629 | 0.00% | 5q | HELD |
| DEUTSCHE BANK AG\ | $123.6K | 7,040 | 0.00% | 3q | +3.4%+$4.1K |
| BARCLAYS PLC | $119.2K | 6,791 | 0.00% | 5q | -5.9%-$7.4K |
| UBS Group AG | $91.4K | 5,206 | 0.00% | 5q | -49.0%-$87.9K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $68.9K | 3,924 | 0.00% | 5q | -8.6%-$6.4K |
| MERCER GLOBAL ADVISORS INC /ADV | $64.7K | 3,682 | 0.00% | new | NEW |
| VANGUARD FIDUCIARY TRUST CO | $62.0K | 3,530 | 0.00% | 2q | -2.9%-$1.9K |
| GAMMA Investing LLC | $44.9K | 2,557 | 0.00% | 5q | -1.7% |
| BNP PARIBAS FINANCIAL MARKETS | $44.6K | 2,539 | 0.00% | 5q | +34.0%+$11.3K |
| NEW YORK STATE COMMON RETIREMENT FUND | $38.9K | 2,218 | 0.00% | 5q | HELD |
| Police & Firemen's Retirement System of New Jersey | $32.4K | 1,843 | 0.00% | 5q | HELD |
| Parallel Advisors, LLC | $28.0K | 1,596 | 0.00% | 3q | -17.9%-$6.1K |
| Blue Trust, Inc. | $25.0K | 1,424 | 0.00% | 5q | -18.7%-$5.8K |
| Allworth Financial LP | $19.4K | 1,105 | 0.00% | 5q | +1626.6%+$18.3K |
| Tower Research Capital LLC (TRC) | $17.9K | 1,017 | 0.00% | 5q | -56.1%-$22.8K |
| Ameritas Investment Partners, Inc. | $15.1K | 859 | 0.00% | 5q | HELD |
| ROYAL BANK OF CANADA | $15.0K | 831 | 0.00% | 5q | -1.0% |
| SIGNATUREFD, LLC | $13.6K | 776 | 0.00% | 5q | -7.1%-$1.0K |
| Legal & General Group Plc | $13.0K | 740 | 0.00% | 5q | HELD |
| Curated Wealth Partners LLC | $11.5K | 10,000 | 0.00% | new | NEW |
| NISA INVESTMENT ADVISORS, LLC | $7.2K | 412 | 0.00% | 5q | -39.1%-$4.7K |
| Private Wealth Management Group, LLC | $4.1K | 231 | 0.00% | 5q | HELD |
| JPL Wealth Management, LLC | $3.6K | 205 | 0.00% | 2q | +5025.0%+$3.5K |
| Integrated Wealth Concepts LLC | $3.6K | 204 | 0.00% | new | NEW |
| MassMutual Private Wealth & Trust, FSB | $3.2K | 185 | 0.00% | 5q | HELD |
| Torren Management, LLC | $3.1K | 176 | 0.00% | 3q | HELD |
| Sterling Capital Management LLC | $2.7K | 153 | 0.00% | 5q | -44.4%-$2.1K |
| Smartleaf Asset Management LLC | $2.5K | 141 | 0.00% | 5q | HELD |
| JONES FINANCIAL COMPANIES LLLP | $2.3K | 132 | 0.00% | 5q | +100.0%+$1.2K |
| OSAIC HOLDINGS, INC. | $1.8K | 100 | 0.00% | 5q | HELD |
| Buck Wealth Strategies, LLC | $1.8K | 100 | 0.00% | new | NEW |
| EverSource Wealth Advisors, LLC | $1.7K | 99 | 0.00% | 5q | -55.6%-$2.2K |
| ARMSTRONG ADVISORY GROUP, INC | $1.6K | 90 | 0.00% | 5q | HELD |
| Boreal Capital Management LLC | $1.2K | 70 | 0.00% | new | NEW |
| Versant Capital Management, Inc | $1.1K | 64 | 0.00% | 4q | HELD |
| Farther Finance Advisors, LLC | $966 | 55 | 0.00% | 3q | +1.9% |
| RAFFA WEALTH MANAGEMENT, LLC | $843 | 48 | 0.00% | new | NEW |
| HUNTINGTON NATIONAL BANK | $811 | 46 | 0.00% | 4q | HELD |
| Essential Partners LLC | $808 | 46 | 0.00% | 4q | -86.4%-$5.1K |
| Cornerstone Planning Group LLC | $697 | 37 | 0.00% | 5q | HELD |
| IFP Advisors, Inc | $667 | 38 | 0.00% | 5q | HELD |
| Basecamp Wealth Advisors LLC | $492 | 28 | 0.00% | new | FIRST |
| SJS Investment Consulting Inc. | $388 | 22 | 0.00% | 5q | +10.0% |
| ASSETMARK, INC | $369 | 21 | 0.00% | 4q | HELD |
| MATHER GROUP, LLC. | $369 | 21 | 0.00% | 2q | HELD |
| Physician Wealth Advisors, Inc. | $369 | 21 | 0.00% | 3q | HELD |
| ROTHSCHILD INVESTMENT LLC | $281 | 16 | 0.00% | new | NEW |
| Quarry LP | $193 | 11 | 0.00% | new | NEW |
| FIFTH THIRD BANCORP | $158 | 9 | 0.00% | 5q | -25.0% |
| ACADIAN ASSET MANAGEMENT LLC | $28 | 1,619 | 0.00% | new | NEW |
| Clearstead Advisors, LLC | $18 | 1 | 0.00% | new | NEW |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-07-20 | 13D | Achillefs Konstantakopoulos INDIVIDUALwith 1 co-filers | 20.5% |
| 2026-07-06 | 13G/A | Konstantakopoulos Achillefs INDIVIDUALwith 1 co-filers | 19.7% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 99 | $90.8M | 5,169,108 | 13 | 26 | 35 | 0.0% |
| Q1 2026 | 95 | $84.9M | 5,486,887 | 12 | 30 | 25 | 0.0% |
| Q4 2025 | 87 | $68.9M | 4,468,497 | 10 | 24 | 30 | 0.0% |
| Q3 2025 | 88 | $63.8M | 4,440,260 | 17 | 25 | 30 | 0.0% |
| Q2 2025 | 82 | $42.2M | 4,869,736 | 82 | 0 | 0 | 0.0% |