Winton Group’s Clean Harbors CLH Stock Holding History

Winton Group’s Portfolio CLH Stock Details CLH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-2,900	Closed	-$670K	–	768
2025 Q2	$670K	Buy	+2,900	New	+$635K	0.03%	527
2023 Q2	–	Sell	-6,921	Closed	-$987K	–	825
2023 Q1	$987K	Buy	+6,921	New	+$901K	0.06%	450
2022 Q3	–	Sell	-2,895	Closed	-$254K	–	964
2022 Q2	$254K	Buy	+2,895	New	+$279K	0.01%	845
2019 Q4	–	Sell	-53,547	Closed	-$4.13M	–	1575
2019 Q3	$4.13M	Sell	53,547 -34,664	-39%	-$2.56M	0.05%	367
2019 Q2	$6.27M	Sell	88,211 -358,006	-80%	-$24.9M	0.12%	204
2019 Q1	$31.9M	Buy	446,217 +168,910	+61%	+$10.4M	0.64%	31
2018 Q4	$13.7M	Buy	277,307 +262,042	+1,717%	+$16.3M	0.29%	128
2018 Q3	$1.09M	Buy	+15,265	New	+$971K	0.02%	392
2018 Q1	–	Sell	-108,771	Closed	-$5.89M	–	1133
2017 Q4	$5.89M	Buy	108,771 +35,102	+48%	+$1.9M	0.17%	198
2017 Q3	$4.18M	Buy	+73,669	New	+$4.01M	0.13%	179

Other funds holding CLH

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

DCP

D1 Capital Partners New York $11.2B AUM 15.78% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return

SCM

Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return

Bessemer Group Woodbridge, New Jersey $63.6B AUM 28.76% 1-Year Est. Return

Winton Group's CLH Position: Q3 2025 in Review

Winton Group sold out of Clean Harbors (CLH) in Q3 2025, closing a stake of 2,900 shares — an estimated $670K sold.

Winton Group first reported a position in CLH in Q3 2017 and held it in 10 quarters. The position peaked at $31.9M in Q1 2019. 569 funds tracked by Wall St. Rank hold CLH as of Q3 2025.

Winton Group reported no remaining Clean Harbors position as of Q3 2025 after selling out during the quarter.
Winton Group sold 2,900 Clean Harbors shares in Q3 2025, an estimated $670K.
Winton Group first reported a position in Clean Harbors in Q3 2017 and held it in 10 quarters.
Winton Group's Clean Harbors position peaked at $31.9M in Q1 2019.
569 funds tracked by Wall St. Rank held Clean Harbors as of Q3 2025.

Based on Winton Group's 13F filing for Q3 2025, filed 13 Nov 2025.