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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 %
IA
576
Icon Advisers
Colorado
– -$1.61M -7,000 Closed
DILIC
577
Dai-ichi Life Insurance Company
Japan
– -$1.56M -6,800 Closed
Nomura Holdings
578
Nomura Holdings
Japan
– -$1.55M -6,723 Closed
SPC
579
Sigma Planning Corp
Michigan
– -$1.48M -6,446 Closed
Brown Advisory
580
Brown Advisory
Maryland
– -$1.27M -5,500 Closed
MWM
581
MGB Wealth Management
Texas
– -$1.1M -4,763 Closed
ASN
582
Advisory Services Network
Georgia
– -$1.04M -4,515 Closed
CIBC World Market
583
CIBC World Market
Ontario, Canada
– -$980K -4,257 Closed
CW
584
CreativeOne Wealth
Kansas
– -$904K -3,926 Closed
CM
585
Crestline Management
Texas
– -$877K -3,809 Closed
WLG
586
Williamson Legacy Group
Indiana
– -$858K -3,727 Closed
CFM
587
Catalyst Funds Management
Australia
– -$736K -3,200 Closed
SFI
588
Susquehanna Fundamental Investments
Pennsylvania
– -$598K -2,600 Closed
PP
589
PDT Partners
New York
– -$509K -2,210 Closed
SC
590
Savant Capital
Illinois
– -$421K -1,828 Closed
Walleye Trading
591
Walleye Trading
New York
– -$407K -1,769 Closed
RSWM
592
Robertson Stephens Wealth Management
California
– -$390K -1,693 Closed
AO
593
Advisor OS
Illinois
– -$388K -1,684 Closed
CG
594
Caprock Group
Idaho
– -$380K -1,650 Closed
MA
595
MJP Associates
Connecticut
– -$376K -1,633 Closed
WCM
596
WealthBridge Capital Management
Ohio
– -$369K -1,605 Closed
DC
597
Diametric Capital
Massachusetts
– -$360K -1,563 Closed
TPI
598
Trust Point Inc
Wisconsin
– -$353K -1,532 Closed
TSS
599
Two Sigma Securities
New York
– -$339K -1,473 Closed
AA
600
Armis Advisers
Georgia
– -$327K -1,419 Closed
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