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Clean Harbors
CLH

Overview Fund Activity

568 hedge funds and large institutions have $11.3B invested in Clean Harbors in 2025 Q2 according to their latest regulatory filings, with 74 funds opening new positions, 167 increasing their positions, 222 reducing their positions, and 58 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
568
Holders Change
+12
Holders Change %
+2.16%
% of All Funds
7.62%
Holding in Top 10
13
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-13.33%
% of All Funds
0.17%
New
74
Increased
167
Reduced
222
Closed
58
Calls
$30.7M
Puts
$56.4M
Net Calls
-$25.7M
Net Calls Change
-$9.9M

Top Buyers

1
DCP
D1 Capital Partners
New York
$334M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$1.33B
3
William Blair Investment Management
William Blair Investment Management
Illinois
$95.1M
4
VNIM
Vaughan Nelson Investment Management
Texas
$59.1M
5
Citadel Advisors
Citadel Advisors
Florida
$55.5M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$56.1M
2
Millennium Management
Millennium Management
New York
$16.1M
3
HRCM
Hood River Capital Management
Florida
$30.4M
4
UBS AM
UBS AM
Illinois
$167M
5
Select Equity Group
Select Equity Group
New York
$219M
Name Holding Trade Value Shares
Change 		Shares
Change %
Twin Tree Management
151
Twin Tree Management
Texas
$6.82M +$6.33M +27,398 +1,303%
AI
152
Atria Investments
North Carolina
$6.42M +$1.12M +4,842 +21%
CI
153
Cooper Investors
Australia
$6.36M +$699K +3,023 +12%
DFCM
154
Dark Forest Capital Management
Puerto Rico
$6.34M -$741K -3,206 -10%
MIM
155
MetLife Investment Management
New Jersey
$6.27M -$234K -1,013 -4%
BAM
156
Bell Asset Management
Australia
$6.02M -$2.79M -12,069 -32%
AQR Capital Management
157
AQR Capital Management
Connecticut
$5.96M -$1.49M -6,432 -20%
BAM
158
Bullseye Asset Management
Colorado
$5.95M – – –
ACG
159
Aventail Capital Group
New York
$5.94M +$4.04M +17,477 +213%
NIP
160
Nicholas Investment Partners
California
$5.89M -$257K -1,111 -4%
TRSOTSOK
161
Teachers Retirement System of the State of Kentucky
Kentucky
$5.74M +$339K +1,465 +6%
JPMIA
162
J.P. Marvel Investment Advisors
Massachusetts
$5.58M -$22.7K -98 -0.4%
Treasurer of the State of North Carolina
163
Treasurer of the State of North Carolina
North Carolina
$5.47M +$84.6K +366 +2%
AB
164
Amalgamated Bank
New York
$5.35M -$26.4K -114 -0.5%
LPL Financial
165
LPL Financial
California
$5.19M +$248K +1,072 +5%
BPIM
166
Brant Point Investment Management
New York
$5.09M -$1.76M -7,633 -26%
NIM
167
NEOS Investment Management
Connecticut
$5.06M -$4.34M -18,753 -46%
TE
168
Tema ETFs
New York
$5.06M -$4.34M -18,753 -46%
JSP
169
Jackson Square Partners
California
$5.05M -$25.3M -109,273 -83%
Deutsche Bank
170
Deutsche Bank
Germany
$4.95M +$554K +2,397 +13%
AMI
171
Amica Mutual Insurance
Rhode Island
$4.81M – – –
Assenagon Asset Management
172
Assenagon Asset Management
Luxembourg
$4.81M -$28.5M -123,189 -86%
State of Tennessee, Department of Treasury
173
State of Tennessee, Department of Treasury
Tennessee
$4.72M – – –
Arrowstreet Capital
174
Arrowstreet Capital
Massachusetts
$4.72M -$206K -889 -4%
XT
175
XTX Topco
Cayman Islands
$4.68M +$2.41M +10,433 +107%
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