MQS Management’s Clean Harbors CLH Stock Holding History

MQS Management’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	-1,839	Closed	-$425K	–	451
2025 Q2	$425K	Sell	1,839 -1,784	-49%	-$391K	0.23%	167
2025 Q1	$714K	Buy	+3,623	New	+$793K	0.41%	49
2023 Q1	–	Sell	-2,001	Closed	-$228K	–	428
2022 Q4	$228K	Buy	+2,001	New	+$234K	0.16%	287
2022 Q3	–	Sell	-3,744	Closed	-$328K	–	441
2022 Q2	$328K	Buy	+3,744	New	+$361K	0.22%	194

Other funds holding CLH

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

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

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

DCP

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

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

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

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

SCM

Snyder Capital Management San Francisco, California $5.79B AUM 33.56% 1-Year Est. Return

Bessemer Group Woodbridge, New Jersey $72.7B AUM 39.36% 1-Year Est. Return

MQS Management's CLH Position: Q3 2025 in Review

MQS Management sold out of Clean Harbors (CLH) in Q3 2025, closing a stake of 1,839 shares — an estimated $425K sold.

MQS Management first reported a position in CLH in Q2 2022 and held it in 4 quarters. The position peaked at $714K in Q1 2025. 569 funds tracked by Wall St. Rank hold CLH as of Q3 2025.

MQS Management reported no remaining Clean Harbors position as of Q3 2025 after selling out during the quarter.
MQS Management sold 1,839 Clean Harbors shares in Q3 2025, an estimated $425K.
MQS Management first reported a position in Clean Harbors in Q2 2022 and held it in 4 quarters.
MQS Management's Clean Harbors position peaked at $714K in Q1 2025.
569 funds tracked by Wall St. Rank held Clean Harbors as of Q3 2025.

Based on MQS Management's 13F filing for Q3 2025, filed 6 Nov 2025.