Simplex Trading’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 | – | Sell |
-100
| Closed | -$23.4K | – | 9178 |
|
|
2025
Q4 | $23.4K | Sell |
100
-2,500
| -96% | -$571K | ﹤0.01% | 6330 |
|
|
2025
Q3 | $603K | Sell |
2,600
-7,600
| -75% | -$1.8M | ﹤0.01% | 3594 |
|
|
2025
Q2 | $2.36M | Buy |
10,200
+300
| +3% | +$65.7K | ﹤0.01% | 1957 |
|
|
2025
Q1 | $1.95M | Buy |
9,900
+9,000
| +1,000% | +$1.97M | ﹤0.01% | 2051 |
|
|
2024
Q4 | $207K | Sell |
900
-34,400
| -97% | -$8.55M | ﹤0.01% | 4476 |
|
|
2024
Q3 | $8.53M | Buy |
35,300
+12,500
| +55% | +$2.94M | 0.01% | 1140 |
|
|
2024
Q2 | $5.16M | Sell |
22,800
-21,500
| -49% | -$4.51M | ﹤0.01% | 1417 |
|
|
2024
Q1 | $8.92M | Buy |
44,300
+22,700
| +105% | +$4.08M | 0.01% | 1199 |
|
|
2023
Q4 | $3.77M | Buy |
21,600
+21,000
| +3,500% | +$3.45M | ﹤0.01% | 1799 |
|
|
2023
Q3 | $100K | Sell |
600
-300
| -33% | -$50.6K | ﹤0.01% | 5084 |
|
|
2023
Q2 | $147K | Buy |
900
+500
| +125% | +$73.1K | ﹤0.01% | 4643 |
|
|
2023
Q1 | $57K | Buy |
+400
| New | +$52.1K | ﹤0.01% | 5776 |
|
|
2022
Q4 | – | Sell |
-900
| Closed | -$98K | – | 9318 |
|
|
2022
Q3 | $98K | Sell |
900
-800
| -47% | -$85.7K | ﹤0.01% | 5563 |
|
|
2022
Q2 | $149K | Buy |
1,700
+100
| +6% | +$9.65K | ﹤0.01% | 5010 |
|
|
2022
Q1 | $178K | Buy |
1,600
+900
| +129% | +$88.9K | ﹤0.01% | 5323 |
|
|
2021
Q4 | $69K | Sell |
700
-1,600
| -70% | -$169K | ﹤0.01% | 6795 |
|
|
2021
Q3 | $214K | Hold |
2,300
| – | – | ﹤0.01% | 5487 |
|
|
2021
Q2 | $214K | Buy |
2,300
+2,264
| +6,289% | +$206K | ﹤0.01% | 5572 |
|
|
2021
Q1 | $302K | Buy |
36
+28
| +350% | +$2.36K | ﹤0.01% | 4136 |
|
|
2020
Q4 | $60K | Sell |
8
-16
| -67% | -$1.07K | ﹤0.01% | 5984 |
|
|
2020
Q3 | $134K | Buy |
24
+4
| +20% | +$237 | ﹤0.01% | 4578 |
|
|
2020
Q2 | $119K | Buy |
20
+19
| +1,900% | +$1.06K | ﹤0.01% | 4613 |
|
|
2020
Q1 | $5K | Buy |
+1
| New | +$73 | ﹤0.01% | 6818 |
|
|
2019
Q2 | – | Sell |
-102
| Closed | -$729K | – | 7164 |
|
|
2019
Q1 | $729K | Buy |
102
+79
| +343% | +$4.88K | ﹤0.01% | 2271 |
|
|
2018
Q4 | $113K | Buy |
23
+17
| +283% | +$1.06K | ﹤0.01% | 3745 |
|
|
2018
Q3 | $42K | Buy |
+6
| New | +$382 | ﹤0.01% | 5329 |
|
|
2017
Q4 | – | Sell |
-24
| Closed | -$1K | – | 6046 |
|
|
2017
Q3 | $1K | Sell |
24
-59
| -71% | -$3.21K | ﹤0.01% | 5375 |
|
|
2017
Q2 | $11K | Buy |
+83
| New | +$4.77K | ﹤0.01% | 3873 |
|
|
2017
Q1 | – | Sell |
-126
| Closed | -$2K | – | 6197 |
|
|
2016
Q4 | $2K | Hold |
126
| – | – | ﹤0.01% | 4993 |
|
|
2016
Q3 | $6K | Buy |
+126
| New | +$6.25K | ﹤0.01% | 4081 |
|
|
2015
Q4 | – | Sell |
-3
| Closed | -$1K | – | 5456 |
|
|
2015
Q3 | $1K | Buy |
3
+1
| +50% | +$50 | ﹤0.01% | 4950 |
|
|
2015
Q2 | $3K | Sell |
2
-39
| -95% | -$2.18K | ﹤0.01% | 4005 |
|
|
2015
Q1 | $3K | Buy |
41
+15
| +58% | +$777 | ﹤0.01% | 3820 |
|
|
2014
Q4 | $6K | Buy |
+26
| New | +$1.27K | ﹤0.01% | 2936 |
|
Other funds holding CLH
VCM
VPM
LPC
DCP
Simplex Trading's CLH Position: Q1 2026 in Review
Simplex Trading increased its Clean Harbors (CLH) stake by 276% in Q1 2026, buying an estimated $137K and bringing the position to 685 shares worth $196K. The position accounts for ﹤0.01% of the portfolio, ranked #4323.
Simplex Trading first reported a position in CLH in Q1 2015 and has held it in 23 quarters since. The position peaked at $1.68M in Q1 2019. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.
- Simplex Trading held 685 shares of Clean Harbors worth $196K as of Q1 2026.
- Simplex Trading bought 503 Clean Harbors shares in Q1 2026, an estimated $137K.
- Clean Harbors made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4323 holding.
- Simplex Trading first reported a position in Clean Harbors in Q1 2015 and has held it in 23 quarters since.
- Simplex Trading's Clean Harbors position peaked at $1.68M in Q1 2019.
- 623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.
Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.