Costamare Ownership | Who Owns Costamare?

Costamare Ownership Summary

Costamare is owned by 33.63% institutional investors, 62.43% insiders, and 3.94% retail investors. Dimensional fund advisors lp is the largest institutional shareholder, holding 5.97% of CMRE shares. Avantis US Small Cap Value ETF is the top mutual fund, with 1.74% of its assets in Costamare shares.

CMRE Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Costamare	33.63%	62.43%	3.94%
Sector	Industrials Stocks	68.36%	16.28%	15.36%
Industry	Marine Shipping Stocks	31.54%	32.68%	35.78%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Dimensional fund advisors lp	7.18M	5.97%	$121.32M
Blackrock funding, inc. /de	4.30M	3.58%	$72.69M
Acadian asset management	3.13M	2.60%	$52.84M
Blackrock	2.52M	2.13%	$41.45M
American century companies	1.40M	1.17%	$23.72M
Bridgeway capital management	1.17M	0.98%	$19.85M
State street	1.04M	0.87%	$17.62M
Qube research	1.02M	0.85%	$17.20M
Renaissance	1.01M	0.84%	$17.10M
Jpmorgan chase	995.90K	0.83%	$16.20M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Globeflex capital l p	474.37K	1.21%	$8.02M
Kendall capital management	257.68K	0.89%	$4.35M
Denali advisors	390.78K	0.73%	$6.60M
Bridgeway capital management	1.17M	0.40%	$19.85M
Summit x	119.81K	0.20%	$1.09M
Triton wealth management, p	25.42K	0.16%	$432.58K
Campbell & co investment adviser	151.28K	0.15%	$2.56M
Cwa asset management group	250.70K	0.14%	$4.24M
Dgs capital management	45.55K	0.13%	$769.77K
Voleon capital management lp	284.27K	0.10%	$4.80M

Top Buyers

Holder	Shares	% Assets	Change
Qube research	1.02M	0.02%	591.88K
Two sigma investments, lp	588.68K	0.01%	588.68K
Acadian asset management	3.13M	0.07%	317.06K
Marshall wace, llp	393.35K	0.01%	204.27K
Connor, clark & lunn investment management	400.49K	0.02%	197.88K

Top Sellers

Holder	Shares	% Assets	Change
Kingstone capital partners texas	-	-	-2.94M
Blackrock funding, inc. /de	4.30M	0.00%	-636.49K
Vestgen advisors	-	-	-345.48K
American century companies	1.40M	0.01%	-276.54K
Foundry partners	-	-	-273.08K

New Positions

Holder	Shares	% Assets	Change	Value
Two sigma investments, lp	588.68K	0.01%	588.68K	$9.95M
Raymond james financial services advisors	141.95K	0.00%	141.95K	$2.33M
Citadel advisors	115.82K	0.00%	115.82K	$1.96M
Vanguard global advisers	93.95K	0.00%	93.95K	$1.59M
Squarepoint ops	86.52K	0.00%	86.52K	$1.46M

Sold Out

Holder	Change
Dinuzzo private wealth	-3.00
Bay harbor wealth management	-3.00
Global financial private client	-8.00
Nelson, van denburg & campbell wealth management group	-9.00
Clearstead advisors	-9.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	203	3.57%	40,606,211	5.10%	33	3.28%	97	-1.02%	66	8.20%
Mar 31, 2026	127	-32.09%	25,484,770	-33.11%	21	2.36%	61	-41.90%	40	-33.33%
Dec 31, 2025	142	-22.83%	32,522,560	-9.13%	25	2.88%	78	-24.27%	46	-9.80%
Sep 30, 2025	178	14.84%	35,667,097	3.28%	29	3.59%	98	27.27%	50	-24.24%
Jun 30, 2025	161	-6.94%	36,308,970	-14.97%	30	2.39%	81	-10.99%	66	10.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Avantis US Small Cap Value ETF	2.11M	1.74%	3.82K
DFA US Small Cap Value I	1.77M	1.46%	-
iShares Russell 2000 ETF	1.21M	1.00%	11.37K
DFA US Targeted Value I	935.93K	0.77%	36.53K
Dimensional US Targeted Value ETF	811.11K	0.67%	223.00
Dimensional US Small Cap Value ETF	699.08K	0.58%	252.00
Columbia Small Cap Value Discv A	645.77K	0.53%	4.00K
EA Bridgeway Omni Small-Cap Value ETF	630.92K	0.52%	-9.07K
Columbia Small Cap Value Discovery Fund	620.87K	0.51%	18.10K
Columbia Small Cap Value I A	561.87K	0.47%	15.40K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 29, 2026	Zikos Grigorios	Chief Financial Officer	Sell	$917.92K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	1
2026 Q2	-	-
2026 Q1	-	-

CMRE Ownership FAQ

Who Owns Costamare?

Costamare shareholders are primarily institutional investors at 33.63%, followed by 62.43% insiders and 3.94% retail investors. The average institutional ownership in Costamare's industry, Marine Shipping Stocks, is 31.54%, which Costamare exceeds.

Who owns the most shares of Costamare?

Costamare’s largest shareholders are Dimensional fund advisors lp (7.18M shares, 5.97%), Blackrock funding, inc. /de (4.3M shares, 3.58%), and Acadian asset management (3.13M shares, 2.60%). Together, they hold 12.15% of Costamare’s total shares outstanding.

Does Blackrock own Costamare?

Yes, BlackRock owns 2.13% of Costamare, totaling 2.52M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 41.45M$. In the last quarter, BlackRock decreased its holdings by -89.308K shares, a -3.42% change.

Who is Costamare’s biggest shareholder by percentage of total assets invested?

Globeflex capital l p is Costamare’s biggest shareholder by percentage of total assets invested, with 1.21% of its assets in 474.37K Costamare shares, valued at 8.02M$.

Who is the top mutual fund holder of Costamare shares?

Avantis US Small Cap Value ETF is the top mutual fund holder of Costamare shares, with 1.74% of its total shares outstanding invested in 2.11M Costamare shares.

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