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CMDB

Costamare Bulkers Holdings
CMDB

92 hedge funds and large institutions have $63M invested in Costamare Bulkers Holdings in 2025 Q3 according to their latest regulatory filings, with 18 funds opening new positions, 26 increasing their positions, 34 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

42% more capital invested

Capital invested by funds: $44.4M → $63M (+$18.6M)

29% more first-time investments, than exits

New positions opened: 18 | Existing positions closed: 14

5% more funds holding

Funds holding: 88 → 92 (+4)

3.08% less ownership

Funds ownership: 21.16% → 18.08% (-3.1%)

24% less repeat investments, than reductions

Existing positions increased: 26 | Existing positions reduced: 34

Holders
92
Holders Change
+4
Holders Change %
+4.55%
% of All Funds
1.21%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
18
Increased
26
Reduced
34
Closed
14
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$813K
2
Millennium Management
Millennium Management
New York
+$607K
3
JF
Jump Financial
Illinois
+$343K
4
Jane Street
Jane Street
New York
+$336K
5
American Century Companies
American Century Companies
Missouri
+$296K

Top Sellers

Rank Fund Capital Flow
1
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$2.33M
2
AA
Ancora Advisors
Ohio
-$2.29M
3
BCM
Bridgeway Capital Management
Texas
-$932K
4
DA
Denali Advisors
California
-$798K
5
Vanguard Group
Vanguard Group
Pennsylvania
-$773K
Name Holding Trade Value Shares
Change 		Change in
Stake
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$20.4M -$448K -43,721 -3%
BlackRock
2
BlackRock
New York
$7.38M -$26.9K -2,618 -0.5%
American Century Companies
3
American Century Companies
Missouri
$3.57M +$296K +28,815 +13%
Morgan Stanley
4
Morgan Stanley
New York
$2.6M -$111K -10,793 -6%
Renaissance Technologies
5
Renaissance Technologies
New York
$2.2M +$136K +13,300 +10%
BCM
6
Bridgeway Capital Management
Texas
$2.14M -$932K -90,854 -38%
State Street
7
State Street
Massachusetts
$2.1M -$104K -10,181 -7%
Qube Research & Technologies (QRT)
8
Qube Research & Technologies (QRT)
United Kingdom
$1.87M +$151K +14,674 +13%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$1.46M +$1.72K +168 +0.2%
Russell Investments Group
10
Russell Investments Group
United Kingdom
$1.42M +$115K +11,254 +13%
Jane Street
11
Jane Street
New York
$1.39M +$336K +32,739 +51%
SSA
12
Schonfeld Strategic Advisors
New York
$1.31M +$88.4K +8,621 +10%
EF
13
Empowered Funds
Pennsylvania
$1.28M -$375K -36,574 -29%
Citadel Advisors
14
Citadel Advisors
Florida
$1.14M +$813K +79,276 New
TI
15
Tidal Investments
Wisconsin
$998K +$101K +9,848 +17%
Millennium Management
16
Millennium Management
New York
$850K +$607K +59,150 New
Charles Schwab
17
Charles Schwab
California
$824K +$6.3K +614 +1%
Northern Trust
18
Northern Trust
Illinois
$812K -$1.87K -182 -0.3%
Vanguard Group
19
Vanguard Group
Pennsylvania
$753K -$773K -75,328 -59%
JP Morgan Chase
20
JP Morgan Chase
New York
$700K -$28.1K -2,738 -5%
Goldman Sachs
21
Goldman Sachs
New York
$653K -$13.7K -1,338 -3%
HKAM
22
Horizon Kinetics Asset Management
New York
$503K -$290K -28,240 -45%
BGIM
23
Boussard & Gavaudan Investment Management
United Kingdom
$487K +$106K +10,329 +44%
JF
24
Jump Financial
Illinois
$480K +$343K +33,403 New
N
25
Nuveen
North Carolina
$455K +$74.4K +7,250 +30%
1
2 3 4 5

CMDB Hedge Fund Activity: Q3 2025 in Review

92 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Costamare Bulkers Holdings (CMDB) for Q3 2025, worth a combined $63M — up 42% from $44.4M a quarter earlier.

Buyers outnumbered sellers: 18 funds opened new CMDB positions and 14 closed out — a net gain of 4 holders — while 26 added to existing stakes and 34 trimmed.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $813K. The largest seller was Acadian Asset Management, cutting an estimated $2.33M.

  • 92 institutional investors held Costamare Bulkers Holdings (CMDB) as of Q3 2025, up from 88 in Q2 2025.
  • Funds reported $63M of Costamare Bulkers Holdings stock for Q3 2025, up 42% quarter-over-quarter.
  • 18 funds opened new Costamare Bulkers Holdings positions in Q3 2025 and 14 closed out, a net change of +4 holders.
  • The largest Costamare Bulkers Holdings buyer in Q3 2025 was Citadel Advisors, an estimated $813K added.
  • The largest Costamare Bulkers Holdings seller in Q3 2025 was Acadian Asset Management, an estimated $2.33M sold.

Based on aggregated 13F filings for Q3 2025.