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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
LSERS
201
Louisiana State Employees Retirement System
Louisiana
$3.25M -$47.4K -200 -1%
AG
202
Algert Global
California
$3.24M +$504K +2,130 +18%
PCM
203
Prelude Capital Management
New York
$3.03M +$11.4K +48 +0.4%
VRS
204
Virginia Retirement Systems
Virginia
$3.03M +$3.09M +13,060 New
COPPSERS
205
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$3M -$237 -1 -0%
AAM
206
Advisors Asset Management
Colorado
$2.97M -$1.24M -5,237 -29%
SOMRS
207
State of Michigan Retirement System
Michigan
$2.79M -$23.7K -100 -0.8%
IIM
208
INTECH Investment Management
Florida
$2.76M -$1.35M -5,691 -32%
Renaissance Technologies
209
Renaissance Technologies
New York
$2.62M +$2.68M +11,302 New
NMIMC
210
Northwestern Mutual Investment Management Company
Wisconsin
$2.61M -$2.13K -9 -0.1%
M&T Bank
211
M&T Bank
New York
$2.59M -$1.14M -4,826 -30%
EAM
212
EdenTree Asset Management
United Kingdom
$2.56M
GLF
213
Groupe la Francaise
France
$2.5M
NAAA
214
New Age Alpha Advisors
New York
$2.45M -$78.8K -333 -3%
MAM
215
Martingale Asset Management
Massachusetts
$2.44M -$2.25M -9,502 -48%
NMERB
216
New Mexico Educational Retirement Board
New Mexico
$2.39M
EWA
217
EverSource Wealth Advisors
Alabama
$2.37M -$710 -3 -0%
OPERF
218
Oregon Public Employees Retirement Fund
Oregon
$2.36M -$34.1K -144 -1%
Teacher Retirement System of Texas
219
Teacher Retirement System of Texas
Texas
$2.35M -$138K -581 -5%
Voloridge Investment Management
220
Voloridge Investment Management
Florida
$2.33M +$2.37M +10,015 New
BIM
221
Bridges Investment Management
Nebraska
$2.3M +$140K +591 +6%
CFC
222
Coyle Financial Counsel
Illinois
$2.22M -$150K -633 -6%
VPIM
223
Vanguard Personalized Indexing Management
California
$2.2M +$11.6K +49 +0.5%
CTA
224
Colonial Trust Advisors
South Carolina
$2.19M -$8.29K -35 -0.4%
FRM
225
Fox Run Management
Connecticut
$2.18M +$1.47M +6,194 +193%