Impax Asset Management Group
CLH icon

Impax Asset Management Group’s Clean Harbors CLH Stock Holding History

Impax Asset Management 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 		$35.3M Sell
122,986
-25,619
-17% -$6.99M 0.25% 81
2025
Q4 		$34.8M Sell
148,605
-103,536
-41% -$23.7M 0.22% 86
2025
Q3 		$57.7M Sell
252,141
-104,114
-29% -$24.6M 0.34% 70
2025
Q2 		$81.3M Sell
356,255
-126,998
-26% -$27.8M 0.47% 64
2025
Q1 		$94M Buy
483,253
+48,447
+11% +$10.6M 0.57% 60
2024
Q4 		$98.8M Sell
434,806
-5,171
-1% -$1.28M 0.45% 70
2024
Q3 		$105M Sell
439,977
-5,863
-1% -$1.38M 0.41% 70
2024
Q2 		$99.7M Sell
445,840
-119,774
-21% -$25.1M 0.41% 72
2024
Q1 		$113M Buy
565,614
+3,239
+0.6% +$582K 0.43% 72
2023
Q4 		$97.2M Sell
562,375
-47,916
-8% -$7.86M 0.39% 70
2023
Q3 		$101M Sell
610,291
-70,180
-10% -$11.8M 0.45% 68
2023
Q2 		$111M Sell
680,471
-169,331
-20% -$24.8M 0.45% 68
2023
Q1 		$120M Sell
849,802
-233,125
-22% -$30.4M 0.5% 67
2022
Q4 		$122M Sell
1,082,927
-45,825
-4% -$5.35M 0.55% 64
2022
Q3 		$123M Sell
1,128,752
-184,708
-14% -$19.8M 0.63% 59
2022
Q2 		$114M Buy
1,313,460
+80,702
+7% +$7.79M 0.56% 65
2022
Q1 		$136M Sell
1,232,758
-367,468
-23% -$36.3M 0.56% 63
2021
Q4 		$158M Buy
1,600,226
+124,801
+8% +$13.1M 0.58% 63
2021
Q3 		$152M Buy
1,475,425
+15,629
+1% +$1.54M 0.62% 59
2021
Q2 		$135M Buy
1,459,796
+93,760
+7% +$8.52M 0.59% 59
2021
Q1 		$114M Sell
1,366,036
-119,665
-8% -$10.1M 0.58% 60
2020
Q4 		$112M Buy
1,485,701
+3,182
+0.2% +$213K 0.71% 54
2020
Q3 		$82.2M Buy
1,482,519
+189,652
+15% +$11.2M 0.72% 55
2020
Q2 		$77.5M Buy
1,292,867
+312,490
+32% +$17.4M 0.8% 45
2020
Q1 		$49.7M Buy
980,377
+190,235
+24% +$13.9M 0.66% 51
2019
Q4 		$67M Buy
790,142
+31,603
+4% +$2.57M 0.75% 47
2019
Q3 		$57.9M Sell
758,539
-38,036
-5% -$2.81M 0.75% 44
2019
Q2 		$56.6M Buy
796,575
+30,444
+4% +$2.12M 0.74% 42
2019
Q1 		$54.8M Buy
766,131
+40,060
+6% +$2.48M 0.75% 41
2018
Q4 		$35.8M Buy
726,071
+53,192
+8% +$3.31M 0.58% 46
2018
Q3 		$47.5M Buy
+672,879
New +$42.8M 0.68% 45

Other funds holding CLH

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Janus Henderson Group
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
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
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
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return

Impax Asset Management Group's CLH Position: Q1 2026 in Review

Impax Asset Management Group reduced its Clean Harbors (CLH) stake by 17% in Q1 2026, selling an estimated $6.99M and leaving 122,986 shares worth $35.3M. The position accounts for 0.25% of the portfolio, ranked #81.

Impax Asset Management Group first reported a position in CLH in Q3 2018 and has held it in 31 quarters since. The position peaked at $158M in Q4 2021. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

  • Impax Asset Management Group held 122,986 shares of Clean Harbors worth $35.3M as of Q1 2026.
  • Impax Asset Management Group sold 25,619 Clean Harbors shares in Q1 2026, an estimated $6.99M.
  • Clean Harbors made up 0.25% of Impax Asset Management Group's portfolio in Q1 2026, its #81 holding.
  • Impax Asset Management Group first reported a position in Clean Harbors in Q3 2018 and has held it in 31 quarters since.
  • Impax Asset Management Group's Clean Harbors position peaked at $158M in Q4 2021.
  • 623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

Based on Impax Asset Management Group's 13F filing for Q1 2026, filed 12 May 2026.