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Ceco Environmental
CECO

Overview Fund Activity

177 hedge funds and large institutions have $836M invested in Ceco Environmental in 2025 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 65 increasing their positions, 52 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
177
Holders Change
+8
Holders Change %
+4.73%
% of All Funds
2.37%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
28
Increased
65
Reduced
52
Closed
17
Calls
$1.91M
Puts
$200K
Net Calls
+$1.71M
Net Calls Change
+$349K

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$25.5M
2
Janus Henderson Group
Janus Henderson Group
United Kingdom
$26.6M
3
SBH
Segall Bryant & Hamill
Illinois
$7.39M
4
OCM
Osterweis Capital Management
California
$7.17M
5
CA
CSM Advisors
Pennsylvania
$5.25M

Top Sellers

1
AAM
ACK Asset Management
Connecticut
$0
2
Allspring Global Investments
Allspring Global Investments
North Carolina
$9.86M
3
Squarepoint
Squarepoint
New York
$1.11M
4
RS
Robeco Schweiz
Switzerland
$12.8M
5
MHP
Manatuck Hill Partners
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
FDCDDQ
176
Federation des caisses Desjardins du Quebec
Quebec, Canada
$283 – – –
AAM
177
ACK Asset Management
Connecticut
– -$27.4M -1,201,000 Closed
MHP
178
Manatuck Hill Partners
Connecticut
– -$1.67M -73,300 Closed
CCA
179
Cruiser Capital Advisors
Connecticut
– -$1.13M -49,570 Closed
DFCM
180
Dark Forest Capital Management
Puerto Rico
– -$862K -37,806 Closed
SOW
181
State of Wyoming
Wyoming
– -$824K -36,147 Closed
Principal Financial Group
182
Principal Financial Group
Iowa
– -$564K -24,755 Closed
SC
183
SummitTX Capital
Texas
– -$360K -15,800 Closed
Arrowstreet Capital
184
Arrowstreet Capital
Massachusetts
– -$354K -15,531 Closed
CF
185
Corebridge Financial
Texas
– -$327K -14,330 Closed
MFIM
186
Mesirow Financial Investment Management
Illinois
– -$229K -11,141 Closed
AGM
187
Alpine Global Management
New York
– -$247K -10,839 Closed
CFM
188
Catalyst Funds Management
Australia
– -$233K -10,200 Closed
A
189
AlphaQuest
New York
– -$12.3K -541 Closed
QCG
190
Quadrant Capital Group
Ohio
– -$6.41K -281 Closed
CCM
191
Coldstream Capital Management
Washington
– -$3.69K -162 Closed
SHIM
192
Stone House Investment Management
Pennsylvania
– -$1.69K -74 Closed
CIAM
193
Caitong International Asset Management
Hong Kong
– -$1.64K -72 Closed
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