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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
$334M
2
Wellington Management Group
Wellington Management Group
Massachusetts
$1.33B
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
$55.5M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$56.1M
2
Millennium Management
Millennium Management
New York
$16.1M
3
HRCM
Hood River Capital Management
Florida
$30.4M
4
UBS AM
UBS AM
Illinois
$167M
5
Select Equity Group
Select Equity Group
New York
$219M
Name Holding Trade Value Shares
Change 		Shares
Change %
BP
426
Ballentine Partners
Massachusetts
$204K +$204K +884 New
Rafferty Asset Management
427
Rafferty Asset Management
New York
$203K +$203K +880 New
OLVIG
428
Oliver Lagore Vanvalin Investment Group
Michigan
$202K +$202K +1,026 New
CPBTD
429
Central Pacific Bank - Trust Division
Hawaii
$197K -$47.4K -205 -19%
MCM
430
MAI Capital Management
Ohio
$194K +$11.1K +48 +6%
WT
431
Whittier Trust
California
$193K +$8.32K +36 +5%
GI
432
GAMMA Investing
California
$188K +$90.9K +393 +94%
PSFG
433
Park Square Financial Group
Georgia
$180K – – –
AF
434
Avanza Fonder
Sweden
$169K – – –
GRP
435
Global Retirement Partners
California
$166K +$166K +719 New
Acadian Asset Management
436
Acadian Asset Management
Massachusetts
$161K – – –
S
437
SignatureFD
Georgia
$148K +$4.16K +18 +3%
AAG
438
Armstrong Advisory Group
Massachusetts
$148K +$37K +160 +33%
Fifth Third Bancorp
439
Fifth Third Bancorp
Ohio
$147K +$20.6K +89 +16%
Nomura Asset Management
440
Nomura Asset Management
Japan
$144K -$4.16K -18 -3%
PAS
441
Point72 Asia (Singapore)
Singapore
$139K -$233K -1,009 -63%
CT
442
Colonial Trust
South Carolina
$139K – – –
Jones Financial Companies
443
Jones Financial Companies
Missouri
$133K +$22.2K +96 +20%
QL
444
Quarry LP
New York
$128K +$72.6K +314 +130%
NB
445
NBT Bank
New York
$125K – – –
AT
446
Arlington Trust
Alabama
$123K -$9.48K -41 -7%
AWM
447
Atticus Wealth Management
Florida
$123K +$15K +65 +14%
UB
448
UMB Bank
Missouri
$122K +$41.2K +178 +51%
CIBC Private Wealth Group
449
CIBC Private Wealth Group
Georgia
$120K -$694 -3 -0.6%
GWM
450
Gitterman Wealth Management
New Jersey
$117K +$117K +507 New
16 17
18
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