Select Equity Group’s Clean Harbors CLH Stock Holding History

Select Equity 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 Q1	$324M	Buy	1,131,602 +282,103	+33%	+$77M	1.66%	23
2025 Q4	$199M	Buy	849,499 +76,119	+10%	+$17.4M	0.86%	33
2025 Q3	$180M	Sell	773,380 -173,578	-18%	-$41.1M	0.74%	40
2025 Q2	$219M	Sell	946,958 -145,201	-13%	-$31.8M	0.92%	36
2025 Q1	$215M	Sell	1,092,159 -659,319	-38%	-$144M	0.93%	34
2024 Q4	$403M	Buy	1,751,478 +80,436	+5%	+$20M	1.6%	23
2024 Q3	$404M	Sell	1,671,042 -153,324	-8%	-$36M	1.45%	25
2024 Q2	$413M	Sell	1,824,366 -121,128	-6%	-$25.4M	1.62%	22
2024 Q1	$392M	Sell	1,945,494 -1,011,444	-34%	-$182M	1.39%	23
2023 Q4	$516M	Sell	2,956,938 -97,787	-3%	-$16.1M	1.84%	18
2023 Q3	$511M	Buy	3,054,725 +1,004,960	+49%	+$169M	2.09%	16
2023 Q2	$337M	Buy	2,049,765 +1,248,361	+156%	+$182M	1.25%	25
2023 Q1	$114M	Buy	+801,404	New	+$104M	0.41%	59

Other funds holding CLH

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

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

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

LPC

Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return

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

DCP

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

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

Select Equity Group's CLH Position: Q1 2026 in Review

Select Equity Group increased its Clean Harbors (CLH) stake by 33% in Q1 2026, buying an estimated $77M and bringing the position to 1,131,602 shares worth $324M. The position accounts for 1.66% of the portfolio, ranked #23.

Select Equity Group first reported a position in CLH in Q1 2023 and has held it in 13 quarters since. The position peaked at $516M in Q4 2023. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

Select Equity Group held 1,131,602 shares of Clean Harbors worth $324M as of Q1 2026.
Select Equity Group bought 282,103 Clean Harbors shares in Q1 2026, an estimated $77M.
Clean Harbors made up 1.66% of Select Equity Group's portfolio in Q1 2026, its #23 holding.
Select Equity Group first reported a position in Clean Harbors in Q1 2023 and has held it in 13 quarters since.
Select Equity Group's Clean Harbors position peaked at $516M in Q4 2023.
623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

Based on Select Equity Group's 13F filing for Q1 2026, filed 15 May 2026.