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
2026 Q2	$2.62M	Buy	+8,760	New	+$2.59M	0.08%	252
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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Jupiter Topco New York $245B AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

DCP

D1 Capital Partners New York $34.8B AUM 11.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Winton Group's CLH Position: Q2 2026 in Review

Winton Group opened a new position in Clean Harbors (CLH) in Q2 2026: 8,760 shares worth $2.62M. The stake represents 0.08% of the portfolio and ranks #252 among its holdings. This is a return to the name: Winton Group previously reported a position in CLH as recently as Q2 2025.

Winton Group first reported a position in CLH in Q3 2017 and has held it in 11 quarters since. The position peaked at $31.9M in Q1 2019. 662 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

Winton Group held 8,760 shares of Clean Harbors worth $2.62M as of Q2 2026.
Clean Harbors was a new Winton Group position in Q2 2026.
Clean Harbors made up 0.08% of Winton Group's portfolio in Q2 2026, its #252 holding.
Winton Group first reported a position in Clean Harbors in Q3 2017 and has held it in 11 quarters since.
Winton Group's Clean Harbors position peaked at $31.9M in Q1 2019.
662 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.