John Overdeck’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 | $126M | Sell |
423,106
-300,922
| -42% | -$88.9M | 0.09% | 246 |
|
|
2026
Q1 | $208M | Buy |
724,028
+231,242
| +47% | +$63.1M | 0.17% | 135 |
|
|
2025
Q4 | $116M | Buy |
492,786
+108,292
| +28% | +$24.7M | 0.16% | 153 |
|
|
2025
Q3 | $89.3M | Buy |
384,494
+229,666
| +148% | +$54.4M | 0.13% | 204 |
|
|
2025
Q2 | $35.8M | Buy |
154,828
+26,601
| +21% | +$5.82M | 0.06% | 369 |
|
|
2025
Q1 | $25.3M | Buy |
128,227
+47,150
| +58% | +$10.3M | 0.05% | 407 |
|
|
2024
Q4 | $18.7M | Sell |
81,077
-7,490
| -8% | -$1.86M | 0.04% | 500 |
|
|
2024
Q3 | $21.4M | Buy |
88,567
+50,845
| +135% | +$12M | 0.05% | 462 |
|
|
2024
Q2 | $8.53M | Buy |
37,722
+17,149
| +83% | +$3.6M | 0.02% | 776 |
|
|
2024
Q1 | $4.14M | Buy |
20,573
+8,873
| +76% | +$1.59M | 0.01% | 1076 |
|
|
2023
Q4 | $2.04M | Hold |
11,700
| – | – | ﹤0.01% | 1524 |
|
|
2023
Q3 | $1.96M | Sell |
11,700
-12
| -0.1% | -$2.02K | 0.01% | 1400 |
|
|
2023
Q2 | $1.93M | Sell |
11,712
-17,803
| -60% | -$2.6M | ﹤0.01% | 1458 |
|
|
2023
Q1 | $4.21M | Sell |
29,515
-24,703
| -46% | -$3.22M | 0.01% | 996 |
|
|
2022
Q4 | $6.19M | Buy |
54,218
+17,932
| +49% | +$2.09M | 0.02% | 761 |
|
|
2022
Q3 | $3.99M | Buy |
+36,286
| New | +$3.89M | 0.01% | 839 |
|
|
2022
Q2 | – | Sell |
-56,055
| Closed | -$6.26M | – | 2566 |
|
|
2022
Q1 | $6.26M | Buy |
+56,055
| New | +$5.53M | 0.02% | 828 |
|
|
2021
Q3 | – | Sell |
-3,124
| Closed | -$291K | – | 4283 |
|
|
2021
Q2 | $291K | Sell |
3,124
-48,218
| -94% | -$4.38M | ﹤0.01% | 3536 |
|
|
2021
Q1 | $4.32M | Sell |
51,342
-118,193
| -70% | -$9.94M | 0.01% | 1155 |
|
|
2020
Q4 | $12.9M | Buy |
169,535
+69,066
| +69% | +$4.63M | 0.04% | 506 |
|
|
2020
Q3 | $5.63M | Buy |
100,469
+73,786
| +277% | +$4.37M | 0.02% | 749 |
|
|
2020
Q2 | $1.6M | Buy |
+26,683
| New | +$1.49M | 0.01% | 1224 |
|
|
2019
Q2 | – | Sell |
-61,331
| Closed | -$4.39M | – | 3358 |
|
|
2019
Q1 | $4.39M | Sell |
61,331
-81,923
| -57% | -$5.06M | 0.01% | 1026 |
|
|
2018
Q4 | $7.07M | Buy |
143,254
+52,993
| +59% | +$3.3M | 0.03% | 654 |
|
|
2018
Q3 | $6.46M | Buy |
90,261
+25,895
| +40% | +$1.65M | 0.02% | 834 |
|
|
2018
Q2 | $3.58M | Buy |
64,366
+55,133
| +597% | +$2.83M | 0.01% | 1220 |
|
|
2018
Q1 | $451K | Sell |
9,233
-78,858
| -90% | -$4.13M | ﹤0.01% | 2522 |
|
|
2017
Q4 | $4.78M | Buy |
+88,091
| New | +$4.77M | 0.02% | 923 |
|
|
2017
Q2 | – | Sell |
-18,747
| Closed | -$1.04M | – | 2997 |
|
|
2017
Q1 | $1.04M | Buy |
+18,747
| New | +$1.04M | ﹤0.01% | 1901 |
|
|
2015
Q3 | – | Sell |
-144,748
| Closed | -$7.78M | – | 2261 |
|
|
2015
Q2 | $7.78M | Sell |
144,748
-58,165
| -29% | -$3.25M | 0.04% | 527 |
|
|
2015
Q1 | $11.5M | Buy |
202,913
+158,577
| +358% | +$8.21M | 0.05% | 432 |
|
|
2014
Q4 | $2.13M | Buy |
+44,336
| New | +$2.16M | 0.01% | 1003 |
|
|
2014
Q2 | – | Sell |
-13,136
| Closed | -$720K | – | 2166 |
|
|
2014
Q1 | $720K | Buy |
+13,136
| New | +$716K | ﹤0.01% | 1345 |
|
|
2013
Q4 | – | Sell |
-17,145
| Closed | -$1M | – | 2196 |
|
|
2013
Q3 | $1M | Sell |
17,145
-204
| -1% | -$11.4K | 0.01% | 1011 |
|
|
2013
Q2 | $877K | Buy |
+17,349
| New | +$967K | 0.01% | 1177 |
|
Other funds holding CLH
JT
DCP
John Overdeck's CLH Position: Q2 2026 in Review
John Overdeck reduced its Clean Harbors (CLH) stake by 42% in Q2 2026, selling an estimated $88.9M and leaving 423,106 shares worth $126M. The position accounts for 0.09% of the portfolio, ranked #246.
John Overdeck first reported a position in CLH in Q2 2013 and has held it in 35 quarters since. The position peaked at $208M in Q1 2026. 655 funds tracked by Wall St. Rank hold CLH as of Q2 2026.
- John Overdeck held 423,106 shares of Clean Harbors worth $126M as of Q2 2026.
- John Overdeck sold 300,922 Clean Harbors shares in Q2 2026, an estimated $88.9M.
- Clean Harbors made up 0.09% of John Overdeck's portfolio in Q2 2026, its #246 holding.
- John Overdeck first reported a position in Clean Harbors in Q2 2013 and has held it in 35 quarters since.
- John Overdeck's Clean Harbors position peaked at $208M in Q1 2026.
- 655 funds tracked by Wall St. Rank held Clean Harbors as of Q2 2026.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.