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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 %
Commonwealth Equity Services
276
Commonwealth Equity Services
Massachusetts
$991K -$24.3K -105 -2%
IFU
277
iSAM Funds (UK)
United Kingdom
$983K +$983K +4,253 New
ATPW
278
Ashton Thomas Private Wealth
Arizona
$972K +$22.9K +99 +2%
Nisa Investment Advisors
279
Nisa Investment Advisors
Missouri
$963K +$694 +3 +0.1%
MMCM
280
Murphy & Mullick Capital Management
New York
$923K – – –
OSAM
281
O'Shaughnessy Asset Management
Connecticut
$917K +$80.2K +347 +10%
D.E. Shaw & Co
282
D.E. Shaw & Co
New York
$916K -$24.9M -107,743 -96%
SAM
283
Securian Asset Management
Minnesota
$902K – – –
QCG
284
Quadrant Capital Group
Ohio
$900K +$238K +1,031 +36%
SW
285
Simplicity Wealth
New Jersey
$897K +$193K +835 +27%
ACM
286
Aquatic Capital Management
Illinois
$887K -$4.94M -21,377 -85%
OC
287
Oppenheimer & Co
New York
$883K +$200K +865 +29%
AC
288
AXQ Capital
New Jersey
$883K +$514K +2,225 +140%
SCM
289
Sterling Capital Management
North Carolina
$865K +$136K +589 +19%
FB
290
Fulton Bank
Pennsylvania
$864K -$6.94K -30 -0.8%
Janney Montgomery Scott
291
Janney Montgomery Scott
Pennsylvania
$837K -$1.08M -4,690 -56%
SI
292
Stephens Inc
Arkansas
$820K +$28.2K +122 +4%
Wealth Enhancement Advisory Services
293
Wealth Enhancement Advisory Services
Minnesota
$813K +$6.32K +27 +0.8%
MML Investors Services
294
MML Investors Services
Massachusetts
$803K -$100K -433 -11%
AIM
295
Aigen Investment Management
New York
$789K +$166K +720 +27%
LCM
296
Legato Capital Management
California
$778K – – –
GCA
297
Genesee Capital Advisors
New York
$778K +$47.6K +206 +7%
EI
298
Ethic Inc
New York
$756K +$113K +487 +17%
YIH
299
Y-Intercept (HK)
Hong Kong
$750K -$906K -3,919 -55%
LFRG
300
Lazard Frères Gestion
France
$749K +$69.4K +300 +10%
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