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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.

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
Norges Bank
3
Norges Bank
Norway
$0
4
Select Equity Group
4
Select Equity Group
New York
$215M
5
ZIG
5
Zurich Insurance Group
Switzerland
$0
Name Market Value Shares Shares
Change 		Shares
Change %
DekaBank Deutsche Girozentrale
51
DekaBank Deutsche Girozentrale
Germany
$35.1M 180,000 – –
SO
52
STRS Ohio
Ohio
$31.3M 158,863 -3,328 -2%
LI
53
Leeward Investments
Massachusetts
$31.1M 157,954 -14,677 -9%
Fuller & Thaler Asset Management
54
Fuller & Thaler Asset Management
California
$30.7M 155,581 -5,784 -4%
Royal Bank of Canada
55
Royal Bank of Canada
Ontario, Canada
$29.5M 149,624 -30,312 -17%
Assenagon Asset Management
56
Assenagon Asset Management
Luxembourg
$28.4M 143,977 +108,779 +309%
AI
57
Aperture Investors
New York
$28M 142,073 +49,109 +53%
JAM
58
Jupiter Asset Management
United Kingdom
$26.9M 136,482 -3,812 -3%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$26.6M 134,978 -1,626 -1%
JSP
60
Jackson Square Partners
California
$25.8M 131,108 -26,579 -17%
Loomis, Sayles & Company
61
Loomis, Sayles & Company
Massachusetts
$25.4M 129,032 -398 -0.3%
Two Sigma Investments
62
Two Sigma Investments
New York
$25.3M 128,227 +47,150 +58%
VOYA Investment Management
63
VOYA Investment Management
Georgia
$25.1M 127,419 +5,362 +4%
CRM
64
Cramer Rosenthal McGlynn
Connecticut
$24.7M 125,394 +21,130 +20%
Swedbank
65
Swedbank
Sweden
$24.6M 125,000 +25,000 +25%
UBS Group
66
UBS Group
Switzerland
$23.8M 120,631 +44,301 +58%
TSAM
67
Trinity Street Asset Management
United Kingdom
$23.7M 120,465 +10,425 +9%
Principal Financial Group
68
Principal Financial Group
Iowa
$23M 116,603 +448 +0.4%
Retirement Systems of Alabama
69
Retirement Systems of Alabama
Alabama
$22.2M 112,816 +63 +0.1%
D.E. Shaw & Co
70
D.E. Shaw & Co
New York
$22M 111,706 +111,706 New
OAM
71
Oberweis Asset Management
Illinois
$21.7M 110,320 +7,890 +8%
TAM
72
Telemark Asset Management
Massachusetts
$21.7M 110,000 -20,000 -15%
CS
73
Candriam SCA
Luxembourg
$21.7M 109,920 -869 -0.8%
SPC
74
Spirepoint Private Client
Florida
$21.6M 109,565 – –
FWIA
75
Fort Washington Investment Advisors
Ohio
$21.6M 109,425 +15,620 +17%
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