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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
1
D1 Capital Partners
New York
$334M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$1.33B
3
William Blair Investment Management
3
William Blair Investment Management
Illinois
$95.1M
4
VNIM
4
Vaughan Nelson Investment Management
Texas
$59.1M
5
Citadel Advisors
5
Citadel Advisors
Florida
$55.5M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$56.1M
2
Millennium Management
2
Millennium Management
New York
$16.1M
3
HRCM
3
Hood River Capital Management
Florida
$30.4M
4
UBS AM
4
UBS AM
Illinois
$167M
5
Select Equity Group
5
Select Equity Group
New York
$219M
Name Holding Trade Value Shares
Change 		Shares
Change %
CCIA
576
Campbell & Co Investment Adviser
Maryland
– -$3.41M -17,317 Closed
Toronto Dominion Bank
577
Toronto Dominion Bank
Ontario, Canada
– -$2.71M -13,746 Closed
Balyasny Asset Management
578
Balyasny Asset Management
Illinois
– -$2.66M -13,475 Closed
Susquehanna International Group
579
Susquehanna International Group
Pennsylvania
– -$2.46M -12,471 Closed
ET
580
Entropy Technologies
New York
– -$2.13M -10,787 Closed
AIMCA
581
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
– -$2.03M -10,322 Closed
Jacobs Levy Equity Management
582
Jacobs Levy Equity Management
New Jersey
– -$1.76M -8,940 Closed
CC
583
Centiva Capital
New York
– -$1.55M -7,841 Closed
N
584
Numerai
California
– -$1.48M -7,515 Closed
OQS
585
Occudo Quantitative Strategies
Florida
– -$1.17M -5,957 Closed
HT
586
Headlands Technologies
Illinois
– -$1.05M -5,350 Closed
MFS
587
Mirabella Financial Services
United Kingdom
– -$989K -5,020 Closed
LAM
588
LECAP Asset Management
United Kingdom
– -$944K -4,787 Closed
VRS
589
Virginia Retirement Systems
Virginia
– -$887K -4,500 Closed
Renaissance Technologies
590
Renaissance Technologies
New York
– -$677K -3,433 Closed
USAA
591
United Services Automobile Association
Texas
– -$658K -3,339 Closed
PTC
592
Petrus Trust Company
Texas
– -$625K -3,171 Closed
FC
593
FORA Capital
Florida
– -$624K -3,167 Closed
BCM
594
Bayesian Capital Management
New York
– -$572K -2,900 Closed
DTL
595
Dynamic Technology Lab
Singapore
– -$540K -2,740 Closed
QC
596
Quadrature Capital
United Kingdom
– -$488K -2,477 Closed
VI
597
Versor Investments
New York
– -$410K -2,082 Closed
I
598
InceptionR
California
– -$388K -1,970 Closed
TC
599
TownSquare Capital
Utah
– -$327K -1,661 Closed
VWM
600
Venturi Wealth Management
Texas
– -$278K -1,412 Closed
21 22 23
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