CLH Stock Ownership Activity

CLEAN HARBORS INC 13F holders

2 value investing gurus have made changes to the CLEAN HARBORS INC (CLH) position according to the gurus' latest SEC quarterly report(s). The number of CLH shares has been increased by 2 super investor(s).

Which gurus or hedge funds are buying CLH now?

According to the latest SEC filing(s) CLEAN HARBORS INC (CLH) has been bought by 2 gurus: Stephen Mandel - Lone Pine Capital (added shares +27.34%) and Henry Ellenbogen - Durable Capital Partners (added shares +25.9%).

To see more about who is investing in CLEAN HARBORS INC (CLH), please go to the CLH ownership page.

2026 Q1 (2 results)
Stephen Mandel
+27.34%
+376,825
+0.86%
4.01%
Henry Ellenbogen
+25.90%
+216,210
+0.64%
3.10%
Current price: $286.63 0.03% AVG reported price*: $286.73
2025 Q4 (2 results)
Stephen Mandel
buy
+1,378,125
+2.37%
2.37%
Henry Ellenbogen
+45.51%
+261,097
+0.58%
1.85%
Current price: $286.63 22.24% AVG reported price*: $234.48
2025 Q3 (1 result)
Henry Ellenbogen
buy
+573,666
+0.99%
0.99%
Current price: $286.63 23.43% Reported price*: $232.22
2018 Q3 (1 result)
Andrew Brenton
-100.00%
-22,350
-0.10%
0.00%
Current price: $286.63 415.80% Reported price*: $55.57
2018 Q2 (1 result)
Andrew Brenton
-36.23%
-12,700
-0.06%
0.00%
Current price: $286.63 415.80% Reported price*: $55.57
2018 Q1 (1 result)
Andrew Brenton
+16.64%
+5,000
+0.02%
0.16%
Current price: $286.63 487.16% Reported price*: $48.82
2017 Q4 (1 result)
Andrew Brenton
+27.33%
+6,450
+0.03%
0.15%
Current price: $286.63 428.74% Reported price*: $54.21
2017 Q3 (1 result)
Andrew Brenton
+3.51%
+800
+0.00%
0.13%
Current price: $286.63 405.57% Reported price*: $56.69
2017 Q2 (1 result)
Andrew Brenton
-91.36%
-240,954
-1.53%
0.14%
Current price: $286.63 413.37% Reported price*: $55.83
2017 Q1 (1 result)
Andrew Brenton
+20.24%
+44,400
+0.29%
1.71%
Current price: $286.63 415.34% Reported price*: $55.62
2016 Q4 (1 result)
Andrew Brenton
-60.09%
-330,286
-3.39%
2.25%
Current price: $286.63 415.06% Reported price*: $55.65
2016 Q3 (1 result)
Andrew Brenton
+16.14%
+76,400
+1.10%
7.95%
Current price: $286.63 497.39% Reported price*: $47.98
2016 Q2 (1 result)
Andrew Brenton
+4.16%
+18,896
+0.40%
10.12%
Current price: $286.63 450.04% Reported price*: $52.11
2016 Q1 (1 result)
Andrew Brenton
+0.35%
+1,600
+0.04%
11.61%
Current price: $286.63 480.94% Reported price*: $49.34
2015 Q4 (1 result)
Andrew Brenton
+19.54%
+74,000
+2.08%
12.71%
Current price: $286.63 588.18% Reported price*: $41.65
2015 Q3 (1 result)
Andrew Brenton
+39.58%
+107,400
+3.43%
12.09%
Current price: $286.63 551.89% Reported price*: $43.97
2015 Q2 (2 results)
Andrew Brenton
+10.19%
+25,100
+0.83%
9.01%
Marty Whitman
-100.00%
-78,715
-0.11%
0.00%
Current price: $286.63 433.37% AVG reported price*: $53.74
2015 Q1 (2 results)
Andrew Brenton
-13.19%
-37,400
-1.46%
9.62%
Marty Whitman
-31.02%
-35,392
-0.05%
0.00%
Current price: $286.63 404.80% AVG reported price*: $56.78
2014 Q4 (2 results)
Andrew Brenton
+390.73%
+225,844
+6.66%
8.37%
Marty Whitman
+0.02%
+24
+0.00%
0.14%
Current price: $286.63 496.52% AVG reported price*: $48.05
2014 Q3 (2 results)
Marty Whitman
buy
+114,083
+0.13%
0.13%
Andrew Brenton
buy
+57,800
+2.31%
2.31%
Current price: $286.63 431.56% AVG reported price*: $53.92
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Shares, change to shares, sold shares - split-adjusted.

Reported price - this doesn't represent the actual buy or sell price.
It is the split-adjusted price of the security as of the last day of the reported period.

Value or Price - If the security is completely sold out, we show the reported value (or price) prior to the actual period.