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Clean Harbors

561 hedge funds and large institutions have $12.1B invested in Clean Harbors in 2025 Q4 according to their latest regulatory filings, with 88 funds opening new positions, 158 increasing their positions, 221 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

more first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

8% less funds holding in top 10

Funds holding in top 10: 1312 (-1)

29% less repeat investments, than reductions

Existing positions increased: 158 | Existing positions reduced: 221

75% less call options, than puts

Call options by funds: $5.21M | Put options by funds: $21.1M

Holders
561
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$5.21M
Puts
$21.1M
Net Calls
Net Calls Change

Top Buyers

1 +$315M
2 +$130M
3 +$130M
4
UBS Group
UBS Group
Switzerland
+$83.1M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$78.2M
Name Holding Trade Value Shares
Change
Change in
Stake
DTL
601
Dynamic Technology Lab
Singapore
QCM
602
Qsemble Capital Management
New York
GCP
603
GSA Capital Partners
United Kingdom
SQA
604
Simon Quick Advisors
New Jersey
YIH
605
Y-Intercept (HK)
Hong Kong
IFU
606
iSAM Funds (UK)
United Kingdom
SC
607
Savant Capital
Illinois
DC
608
Diametric Capital
Massachusetts
Skandinaviska Enskilda Banken (SEB)
609
Skandinaviska Enskilda Banken (SEB)
Sweden
SRL
610
Scientech Research LLC
New Jersey
TSS
611
Two Sigma Securities
New York
AC
612
Aristeia Capital
Connecticut
RS
613
R Squared
Hong Kong
GWMR
614
GC Wealth Management RIA
Massachusetts
Rafferty Asset Management
615
Rafferty Asset Management
New York
MA
616
Mutual Advisors
Nebraska
National Bank of Canada
617
National Bank of Canada
Quebec, Canada
JFGIW
618
Johnson Financial Group Inc (Wisconsin)
Wisconsin
UOTTAIMCU
619
University of Texas/Texas AM Investment Management Co (UTIMCO)
Texas
AAS
620
Ameritas Advisory Services
Nebraska
Canada Pension Plan Investment Board
621
Canada Pension Plan Investment Board
Ontario, Canada
BC
622
Bayforest Capital
United Kingdom
WANY
623
Wealthspire Advisors (New York)
New York
HFS
624
Hopwood Financial Services
Virginia
FUBT
625
First United Bank & Trust
Maryland