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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
7.61%
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
+$289M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$109M
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
+$45.1M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$92.8M
2
Millennium Management
Millennium Management
New York
-$67.8M
3
HRCM
Hood River Capital Management
Florida
-$45.5M
4
UBS AM
UBS AM
Illinois
-$41.4M
5
Select Equity Group
Select Equity Group
New York
-$33.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
KeyBank National Association
376
KeyBank National Association
Ohio
$315K -$43.9K -190 -12%
OCA
377
Otter Creek Advisors
Florida
$303K -$1.85M -7,991 -86%
EWA
378
EP Wealth Advisors
California
$303K +$28.2K +122 +10%
RS
379
R Squared
Hong Kong
$303K +$60.3K +261 +25%
SRL
380
Scientech Research LLC
New Jersey
$303K +$303K +1,309 New
MFG
381
Merit Financial Group
Georgia
$299K +$299K +1,295 New
XF
382
XML Financial
Maryland
$293K -$57.8K -250 -16%
KBC Group
383
KBC Group
Belgium
$290K -$186K -806 -39%
CL
384
Choreo LLC
Illinois
$287K +$287K +1,241 New
QT
385
Quantbot Technologies
New York
$285K -$350K -1,516 -55%
Envestnet Portfolio Solutions
386
Envestnet Portfolio Solutions
Illinois
$285K +$7.63K +33 +3%
MPWT
387
MassMutual Private Wealth & Trust
Connecticut
$285K +$8.79K +38 +3%
SL
388
SWMG LLC
Texas
$283K +$34.6K +148 +14%
Capstone Investment Advisors
389
Capstone Investment Advisors
New York
$280K +$280K +1,211 New
MYAM
390
Meiji Yasuda Asset Management
Japan
$278K – – –
SCI
391
S&CO Inc
Massachusetts
$277K – – –
PCM
392
Polymer Capital Management
New York
$277K +$277K +1,197 New
Skandinaviska Enskilda Banken (SEB)
393
Skandinaviska Enskilda Banken (SEB)
Sweden
$276K +$148K +639 +115%
NS
394
NBC Securities
Alabama
$273K -$3.46K -15 -1%
PA
395
Profund Advisors
Maryland
$270K -$16.6K -72 -6%
Northwestern Mutual Wealth Management
396
Northwestern Mutual Wealth Management
Wisconsin
$270K -$2.54K -11 -0.9%
NFG
397
Nations Financial Group
Iowa
$262K – – –
QC
398
Quaero Capital
Switzerland
$257K -$667K -2,887 -72%
CGFA
399
Colton Groome Financial Advisors
North Carolina
$254K – – –
EH
400
Equitable Holdings
New York
$252K -$59.9K -259 -19%
14 15
16
17 18