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Costamare Bulkers Hldgs LTD (CMDB)

CUSIP: Y2001C101 | 142 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13DAchillefs Konstantakopoulos
with Costamare Shipping Services Ltd.
4,979,70620.5%New 5%+ stakeJul 17, 2026No 13F filer matched
13G/AKonstantakopoulos Achillefs4,790,96519.7%

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP1,256,981
0.0% of portfolio›$27.4M
Strs Ohio37,300
0.0% of portfolio›$813.9K
Citigroup Inc32,609
0.0% of portfolio›$711.5K
Creative Planning28,366
0.0% of portfolio›$618.9K
Moran Wealth Management, LLC27,700
0.0% of portfolio›$604.4K
Gamma Investing LLC3,326
0.0% of portfolio›$72.6K
Parallel Advisors, LLC1,596
0.0% of portfolio›$34.8K
State of Alaska, Department of Revenue926
0.0% of portfolio›$20
Signaturefd, LLC776
0.0% of portfolio›$16.9K
Fortitude Family Office, LLC243
0.0% of portfolio›$5.3K
Private Wealth Management Group, LLC227
0.0% of portfolio›$5.0K
MassMutual Private Wealth & Trust, FSB185
0.0% of portfolio›$4.0K
Torren Management, LLC176
0.0% of portfolio›$3.8K
Sterling Capital Management LLC168
0.0% of portfolio›$3.7K
Farther Finance Advisors, LLC109
0.0% of portfolio›$2.4K
Buck Wealth Strategies, LLC100
0.0% of portfolio›$2.2K
EverSource Wealth Advisors, LLC92
0.0% of portfolio›$2.0K
SJS Investment Consulting Inc.92
0.0% of portfolio›$2.0K
Armstrong Advisory Group, Inc90
0.0% of portfolio›$2.0K
Nisa Investment Advisors, LLC77
0.0% of portfolio›$1.7K
Versant Capital Management, Inc64
0.0% of portfolio›$1.4K
Essential Partners LLC64
0.0% of portfolio›$1.4K
IFP Advisors, Inc38
0.0% of portfolio›$829
Physician Wealth Advisors, Inc.21
0.0% of portfolio›$459
Mather Group, Llc.21
0.0% of portfolio›$458
Assetmark, Inc21
0.0% of portfolio›$458
Root Financial Partners, LLC20
0.0% of portfolio›$436
Covestor Ltd14
0.0% of portfolio›$0
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
1,256,981$27.4M0.0%IndexLowAustin, TX2026-11-04
Strs Ohio
37,300$813.9K0.0%CoreMediumColumbus, OH2026-10-30
Citigroup Inc
32,609$711.5K0.0%CoreMediumNew York, NY2026-11-04
Creative Planning
28,366$618.9K0.0%IndexVery LowOverland Park, KS2026-11-02
Moran Wealth Management, LLC
27,700$604.4K0.0%CoreMediumNaples, FL2026-10-22
Gamma Investing LLC
3,326$72.6K0.0%IndexVery LowFoster City, CA2026-10-08
Parallel Advisors, LLC
1,596$34.8K0.0%IndexLowSan Francisco, CA2026-11-03
State of Alaska, Department of Revenue
926$200.0%CoreVery LowJuneau, AK2026-10-15
Signaturefd, LLC
776$16.9K0.0%IndexLowAtlanta, GA2026-10-23
Fortitude Family Office, LLC
243$5.3K0.0%ETFMediumScottsdale, AZ2026-10-14
Private Wealth Management Group, LLC
227$5.0K0.0%ETFLowPrinceton, NJ2026-10-19
MassMutual Private Wealth & Trust, FSB
185$4.0K0.0%CoreLowSpringfield, MA2026-10-05
Torren Management, LLC
176$3.8K0.0%ETFMediumSan Diego, CA2026-10-29
Sterling Capital Management LLC
168$3.7K0.0%GARPMediumCharlotte, NC2026-10-22
Farther Finance Advisors, LLC
109$2.4K0.0%IndexLowSan Francisco, CA2026-10-08
Buck Wealth Strategies, LLC
100$2.2K0.0%ValueMediumDenver, CO2026-10-28
EverSource Wealth Advisors, LLC
92$2.0K0.0%CoreMediumBirmingham, AL2026-11-04
SJS Investment Consulting Inc.
92$2.0K0.0%ETFVery LowSylvania, OH2026-10-26
Armstrong Advisory Group, Inc
90$2.0K0.0%ETFHighNeedham, MA2026-10-09
Nisa Investment Advisors, LLC
77$1.7K0.0%IndexVery LowSt. Louis, MO2026-10-20
Versant Capital Management, Inc
64$1.4K0.0%GARPLowPhoenix, AZ2026-10-02
Essential Partners LLC
64$1.4K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
IFP Advisors, Inc
38$8290.0%GrowthLowTampa, FL2026-10-16
Physician Wealth Advisors, Inc.
21$4590.0%ETFMediumMidvale, UT2026-10-20
Mather Group, Llc.
21$4580.0%ETFMediumChicago, IL2026-10-14
Assetmark, Inc
21$4580.0%ETFLowConcord, CA2026-10-21
Root Financial Partners, LLC
20$4360.0%ETFMediumEncinitas, CA2026-10-21
Covestor Ltd
14$00.0%ValueHighLondon, United Kingdom2026-10-30
New 5%+ stake
Jun 30, 2026
No 13F filer matched
13D/AKonstantakopoulos Konstantinos
with Kent Maritime Investments S.A., Longshaw Maritime Investments S.A., Costamare Shipping Company S.A.
7,458,80630.9%New 5%+ stakeOct 16, 2025No 13F filer matched
13DAchillefs Konstantakopoulos4,979,706
20.5% of class · Jul 17, 2026New 5%+ stake
with Costamare Shipping Services Ltd.
No 13F filer matched
13G/AKonstantakopoulos Achillefs4,790,965
19.7% of class · Jun 30, 2026New 5%+ stake
No 13F filer matched
13D/AKonstantakopoulos Konstantinos7,458,806
30.9% of class · Oct 16, 2025New 5%+ stake
with Kent Maritime Investments S.A., Longshaw Maritime Investments S.A., Costamare Shipping Company S.A.
No 13F filer matched