Telemark Asset Management’s Clean Harbors CLH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$28.7M Buy
100,000
+20,000
+25% +$5.46M 2.65% 10
2025
Q4
$18.8M Sell
80,000
-30,000
-27% -$6.85M 1.87% 15
2025
Q3
$25.5M Hold
110,000
2.42% 12
2025
Q2
$25.4M Hold
110,000
2.31% 13
2025
Q1
$21.7M Sell
110,000
-20,000
-15% -$4.38M 2.84% 10
2024
Q4
$29.9M Hold
130,000
2.98% 5
2024
Q3
$31.4M Hold
130,000
3.17% 8
2024
Q2
$29.4M Hold
130,000
2.56% 9
2024
Q1
$26.2M Hold
130,000
2.7% 9
2023
Q4
$22.7M Sell
130,000
-20,000
-13% -$3.28M 3.38% 8
2023
Q3
$25.1M Hold
150,000
3.81% 7
2023
Q2
$24.7M Buy
150,000
+50,000
+50% +$7.31M 3.35% 12
2023
Q1
$14.3M Hold
100,000
2.12% 20
2022
Q4
$11.4M Sell
100,000
-15,000
-13% -$1.75M 1.73% 21
2022
Q3
$12.6M Sell
115,000
-10,000
-8% -$1.07M 1.99% 24
2022
Q2
$11M Buy
125,000
+75,000
+150% +$7.24M 1.85% 24
2022
Q1
$5.58M Buy
+50,000
New +$4.94M 0.49% 49
2017
Q3
Sell
-40,000
Closed -$2.23M 44
2017
Q2
$2.23M Hold
40,000
0.48% 39
2017
Q1
$2.23M Sell
40,000
-100,000
-71% -$5.53M 0.52% 42
2016
Q4
$7.79M Sell
140,000
-30,000
-18% -$1.51M 1.7% 27
2016
Q3
$8.16M Sell
170,000
-45,000
-21% -$2.23M 1.69% 24
2016
Q2
$11.2M Buy
+215,000
New +$10.8M 2.58% 17

Other funds holding CLH

Telemark Asset Management's CLH Position: Q1 2026 in Review

Telemark Asset Management increased its Clean Harbors (CLH) stake by 25% in Q1 2026, buying an estimated $5.46M and bringing the position to 100,000 shares worth $28.7M. The position accounts for 2.65% of the portfolio, ranked #10.

Telemark Asset Management first reported a position in CLH in Q2 2016 and has held it in 22 quarters since. The position peaked at $31.4M in Q3 2024. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

  • Telemark Asset Management held 100,000 shares of Clean Harbors worth $28.7M as of Q1 2026.
  • Telemark Asset Management bought 20,000 Clean Harbors shares in Q1 2026, an estimated $5.46M.
  • Clean Harbors made up 2.65% of Telemark Asset Management's portfolio in Q1 2026, its #10 holding.
  • Telemark Asset Management first reported a position in Clean Harbors in Q2 2016 and has held it in 22 quarters since.
  • Telemark Asset Management's Clean Harbors position peaked at $31.4M in Q3 2024.
  • 623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

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