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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
+$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 %
CG
351
Cynosure Group
Utah
$390K – – –
CIBC Asset Management
352
CIBC Asset Management
Ontario, Canada
$389K – – –
ARC
353
Advisor Resource Council
Texas
$375K -$3.2M -13,857 -90%
PAM
354
Panagora Asset Management
Massachusetts
$370K – – –
A
355
AlphaQuest
New York
$365K -$894K -3,866 -71%
SQA
356
Simon Quick Advisors
New Jersey
$365K -$120K -520 -25%
TNB
357
Thomasville National Bank
Georgia
$362K – – –
BA
358
Bridgewater Associates
Connecticut
$361K +$361K +1,560 New
NRD
359
Nebula Research & Development
New York
$359K -$114K -494 -24%
BFS
360
Bradley Foster & Sargent
Connecticut
$358K – – –
CIA
361
Concurrent Investment Advisors
Florida
$357K +$112K +484 +46%
FHA
362
Flagship Harbor Advisors
Massachusetts
$356K -$27.3K -118 -7%
Pacer Advisors
363
Pacer Advisors
Pennsylvania
$355K +$355K +1,536 New
1C
364
111 Capital
France
$352K +$77.9K +337 +28%
AWM
365
Avior Wealth Management
Nebraska
$348K +$348K +1,505 New
AC
366
Aristeia Capital
Connecticut
$343K -$220K -953 -39%
CB
367
Commerce Bank
Missouri
$341K -$60.1K -260 -15%
YMRC
368
Yorktown Management & Research Company
Virginia
$335K – – –
SAM
369
Shell Asset Management
Netherlands
$334K -$55.5K -240 -14%
SC
370
Steph & Co
Wisconsin
$329K -$76.8K -332 -19%
ECM
371
Everence Capital Management
Indiana
$326K – – –
FFM
372
Forum Financial Management
Illinois
$322K -$6.24K -27 -2%
SA
373
Strategic Advocates
Utah
$319K – – –
MWM
374
Modern Wealth Management
Kansas
$319K +$27.7K +120 +10%
TCM
375
Traynor Capital Management
Pennsylvania
$318K -$45.9K -200 -13%
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