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Clean Harbors
CLH

Overview Fund Activity

556 hedge funds and large institutions have $9.61B invested in Clean Harbors in 2025 Q1 according to their latest regulatory filings, with 89 funds opening new positions, 191 increasing their positions, 200 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
556
Holders Change
-9
Holders Change %
-1.59%
% of All Funds
7.55%
Holding in Top 10
15
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.2%
New
89
Increased
191
Reduced
200
Closed
89
Calls
$30.4M
Puts
$46.2M
Net Calls
-$15.8M
Net Calls Change
-$19.1M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.04B
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$422M
3
UBS AM
3
UBS AM
Illinois
$177M
4
Millennium Management
4
Millennium Management
New York
$71.5M
5
DCP
5
D1 Capital Partners
New York
$38M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$127M
2
Invesco
2
Invesco
Georgia
$141M
3
Select Equity Group
3
Select Equity Group
New York
$215M
4
ZIG
4
Zurich Insurance Group
Switzerland
$0
5
AIM
5
Artemis Investment Management
United Kingdom
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
MIF
151
Mediolanum International Funds
Ireland
$6.1M +$1.41M +7,165 +30%
DFCM
152
Dark Forest Capital Management
Puerto Rico
$6.03M +$6.03M +30,609 New
BPIM
153
Brant Point Investment Management
New York
$5.84M +$1.39M +7,067 +31%
EI
154
Ecofi Investissements
France
$5.84M +$1.04M +6,150 +22%
Mariner
155
Mariner
Kansas
$5.73M +$191K +967 +3%
MIM
156
MetLife Investment Management
New Jersey
$5.55M -$84.2K -427 -1%
QCM
157
Quantinno Capital Management
New York
$5.48M -$1.75M -8,872 -24%
NS
158
Night Squared
New York
$5.44M +$5.44M +27,597 New
NIP
159
Nicholas Investment Partners
California
$5.24M -$3.65M -18,502 -41%
Universal-Beteiligungs- und Servicegesellschaft
160
Universal-Beteiligungs- und Servicegesellschaft
Germany
$5.08M +$5.08M +25,764 New
BAM
161
Bullseye Asset Management
Colorado
$5.07M – – –
SSA
162
Schonfeld Strategic Advisors
New York
$4.97M +$4.52M +22,913 +990%
ACM
163
Aquatic Capital Management
Illinois
$4.97M +$4.97M +25,214 New
SG Americas Securities
164
SG Americas Securities
New York
$4.93M +$2.54M +12,863 +106%
CI
165
Cooper Investors
Australia
$4.83M +$4.83M +24,499 New
JPMIA
166
J.P. Marvel Investment Advisors
Massachusetts
$4.78M -$9.26K -47 -0.2%
TRSOTSOK
167
Teachers Retirement System of the State of Kentucky
Kentucky
$4.6M +$1.62M +8,197 +54%
Treasurer of the State of North Carolina
168
Treasurer of the State of North Carolina
North Carolina
$4.59M +$179K +910 +4%
AB
169
Amalgamated Bank
New York
$4.58M -$199K -1,011 -4%
AI
170
Atria Investments
North Carolina
$4.52M +$271K +1,374 +6%
LPL Financial
171
LPL Financial
California
$4.22M -$7.54M -38,246 -64%
Arrowstreet Capital
172
Arrowstreet Capital
Massachusetts
$4.2M +$4.2M +21,288 New
IIM
173
INTECH Investment Management
Florida
$4.19M -$3.11M -15,788 -43%
AMI
174
Amica Mutual Insurance
Rhode Island
$4.1M +$1.37M +6,970 +50%
State of Tennessee, Department of Treasury
175
State of Tennessee, Department of Treasury
Tennessee
$4.03M – – –
5 6
7
8 9