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Clean Harbors

569 hedge funds and large institutions have $11.6B invested in Clean Harbors in 2025 Q3 according to their latest regulatory filings, with 74 funds opening new positions, 172 increasing their positions, 204 reducing their positions, and 76 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.1% more ownership

Funds ownership: 91.68%92.78% (+1.1%)

2% more capital invested

Capital invested by funds: $11.4B → $11.6B (+$199M)

0% more funds holding in top 10

Funds holding in top 10: 1313 (0)

3% less first-time investments, than exits

New positions opened: 74 | Existing positions closed: 76

1% less funds holding

Funds holding: 577569 (-8)

16% less repeat investments, than reductions

Existing positions increased: 172 | Existing positions reduced: 204

61% less call options, than puts

Call options by funds: $13.3M | Put options by funds: $33.8M

Holders
569
Holders Change
-8
Holders Change %
-1.39%
% of All Funds
7.47%
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.17%
New
74
Increased
172
Reduced
204
Closed
76
Calls
$13.3M
Puts
$33.8M
Net Calls
-$20.5M
Net Calls Change
+$5.17M
Name Holding Trade Value Shares
Change
Change in
Stake
LI
51
Leeward Investments
Massachusetts
$34.7M -$1.02M -4,308 -3%
Natixis Advisors
52
Natixis Advisors
Massachusetts
$34M +$3.84M +16,224 +12%
Franklin Resources
53
Franklin Resources
California
$33.2M -$8.07M -34,075 -19%
Swedbank
54
Swedbank
Sweden
$32.5M +$3.55M +15,000 +12%
Macquarie Group
55
Macquarie Group
Australia
$32.1M +$308K +1,301 +0.9%
CIC
56
Chilton Investment Company
Connecticut
$31.2M +$94.7K +400 +0.3%
Royal Bank of Canada
57
Royal Bank of Canada
Ontario, Canada
$31.2M +$716K +3,023 +2%
RhumbLine Advisers
58
RhumbLine Advisers
Massachusetts
$30.5M -$511K -2,158 -2%
OAM
59
OP Asset Management
$29.1M +$5.08M +21,460 +21%
Grantham, Mayo, Van Otterloo & Co (GMO)
60
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$28.9M +$29.5M +124,557 New
HRCM
61
Hood River Capital Management
Florida
$28.7M -$1.9M -8,023 -6%
Loomis, Sayles & Company
62
Loomis, Sayles & Company
Massachusetts
$28.6M -$2.39M -10,083 -8%
RCM
63
Rivermont Capital Management
New York
$28.5M +$9.92M +41,909 +52%
TSAM
64
Trinity Street Asset Management
United Kingdom
$28M -$119K -501 -0.4%
Qube Research & Technologies (QRT)
65
Qube Research & Technologies (QRT)
United Kingdom
$27.6M -$8.93M -37,709 -24%
OAM
66
Oberweis Asset Management
Illinois
$27.1M -$125K -530 -0.5%
SRFM
67
Shannon River Fund Management
New York
$26.9M +$27.4M +115,870 New
FWIA
68
Fort Washington Investment Advisors
Ohio
$26.7M +$5.54M +23,380 +26%
Principal Financial Group
69
Principal Financial Group
Iowa
$26M -$530K -2,239 -2%
TAM
70
Telemark Asset Management
Massachusetts
$25.5M
California Public Employees Retirement System
71
California Public Employees Retirement System
California
$25.1M +$1.67M +7,051 +7%
JAM
72
Jupiter Asset Management
United Kingdom
$24.9M -$4.57M -19,314 -15%
SPC
73
Spirepoint Private Client
Florida
$24.2M -$1.11M -4,699 -4%
Swiss National Bank
74
Swiss National Bank
Switzerland
$22.9M +$237K +1,000 +1%
Fuller & Thaler Asset Management
75
Fuller & Thaler Asset Management
California
$22.6M -$6.68M -28,196 -22%