Mariner’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
Q2
$10.5M Sell
35,210
-1,817
-5% -$537K 0.01% 711
2026
Q1
$10.6M Buy
37,027
+17,198
+87% +$4.69M 0.01% 709
2025
Q4
$4.65M Sell
19,829
-12,879
-39% -$2.94M 0.01% 1033
2025
Q3
$7.6M Buy
32,708
+999
+3% +$237K 0.01% 741
2025
Q2
$7.33M Buy
31,709
+2,613
+9% +$572K 0.01% 716
2025
Q1
$5.73M Buy
29,096
+967
+3% +$212K 0.01% 767
2024
Q4
$6.47M Buy
28,129
+309
+1% +$76.8K 0.01% 704
2024
Q3
$6.72M Sell
27,820
-6,903
-20% -$1.62M 0.01% 678
2024
Q2
$7.85M Sell
34,723
-5,087
-13% -$1.07M 0.02% 575
2024
Q1
$8.01M Sell
39,810
-342
-0.9% -$61.5K 0.02% 574
2023
Q4
$7.01M Sell
40,152
-7,950
-17% -$1.3M 0.02% 578
2023
Q3
$8.05M Sell
48,102
-18,113
-27% -$3.05M 0.02% 499
2023
Q2
$10.9M Sell
66,215
-3,389
-5% -$495K 0.03% 412
2023
Q1
$9.92M Sell
69,604
-408
-0.6% -$53.1K 0.03% 438
2022
Q4
$7.99M Sell
70,012
-381
-0.5% -$44.5K 0.03% 463
2022
Q3
$7.74M Buy
70,393
+42,232
+150% +$4.52M 0.03% 401
2022
Q2
$2.47M Buy
28,161
+3,265
+13% +$315K 0.01% 650
2022
Q1
$2.78M Buy
24,896
+1,835
+8% +$181K 0.01% 642
2021
Q4
$2.3M Buy
+23,061
New +$2.43M 0.01% 628

Other funds holding CLH

Mariner's CLH Position: Q2 2026 in Review

Mariner reduced its Clean Harbors (CLH) stake by 4.9% in Q2 2026, selling an estimated $537K and leaving 35,210 shares worth $10.5M. The position accounts for 0.01% of the portfolio, ranked #711.

Mariner first reported a position in CLH in Q4 2021 and has held it in 19 quarters since. The position peaked at $10.9M in Q2 2023. 660 funds tracked by Wall St. Rank hold CLH as of Q2 2026.

  • Mariner held 35,210 shares of Clean Harbors worth $10.5M as of Q2 2026.
  • Mariner sold 1,817 Clean Harbors shares in Q2 2026, an estimated $537K.
  • Clean Harbors made up 0.01% of Mariner's portfolio in Q2 2026, its #711 holding.
  • Mariner first reported a position in Clean Harbors in Q4 2021 and has held it in 19 quarters since.
  • Mariner's Clean Harbors position peaked at $10.9M in Q2 2023.
  • 660 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.