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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 %
Franklin Resources
51
Franklin Resources
California
$40.9M -$17.2M -74,477 -30%
Vontobel Holding
52
Vontobel Holding
Switzerland
$37.3M -$11.3M -49,002 -23%
Qube Research & Technologies (QRT)
53
Qube Research & Technologies (QRT)
United Kingdom
$36.2M -$7.05M -30,491 -16%
Two Sigma Investments
54
Two Sigma Investments
New York
$35.8M +$6.15M +26,601 +21%
LI
55
Leeward Investments
Massachusetts
$35.5M -$1.02M -4,428 -3%
Adage Capital Partners
56
Adage Capital Partners
Massachusetts
$34.7M -$17.8M -77,000 -34%
Macquarie Group
57
Macquarie Group
Australia
$31.7M -$9.52M -41,174 -23%
CIC
58
Chilton Investment Company
Connecticut
$31M +$15.9M +68,838 +106%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$30.9M -$308K -1,334 -1%
Loomis, Sayles & Company
60
Loomis, Sayles & Company
Massachusetts
$30.8M +$934K +4,038 +3%
HRCM
61
Hood River Capital Management
Florida
$30.4M -$45.5M -196,958 -60%
Royal Bank of Canada
62
Royal Bank of Canada
Ontario, Canada
$30.3M -$4.26M -18,413 -12%
Natixis Advisors
63
Natixis Advisors
Massachusetts
$30.1M +$14.4M +62,229 +92%
JAM
64
Jupiter Asset Management
United Kingdom
$29.3M -$2.28M -9,884 -7%
Fuller & Thaler Asset Management
65
Fuller & Thaler Asset Management
California
$29M -$6.95M -30,075 -19%
Swedbank
66
Swedbank
Sweden
$28.9M – – –
TSAM
67
Trinity Street Asset Management
United Kingdom
$28M +$148K +639 +0.5%
OAM
68
Oberweis Asset Management
Illinois
$27.1M +$1.61M +6,980 +6%
Principal Financial Group
69
Principal Financial Group
Iowa
$26.4M -$550K -2,381 -2%
TAM
70
Telemark Asset Management
Massachusetts
$25.4M – – –
AI
71
Aperture Investors
New York
$25.3M -$7.59M -32,814 -23%
SPC
72
Spirepoint Private Client
Florida
$25.2M -$103K -445 -0.4%
CRM
73
Cramer Rosenthal McGlynn
Connecticut
$24.9M -$4.09M -17,690 -14%
MPIA
74
Mountain Pacific Investment Advisers
Idaho
$24.7M +$6.47K +28 +0%
Retirement Systems of Alabama
75
Retirement Systems of Alabama
Alabama
$24.3M -$1.81M -7,808 -7%
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