Millennium 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
$18.3M Buy
63,880
+20,288
+47% +$5.54M 0.01% 1626
2025
Q4
$10.2M Buy
43,592
+13,216
+44% +$3.02M ﹤0.01% 2242
2025
Q3
$7.05M Sell
30,376
-39,241
-56% -$9.29M ﹤0.01% 2756
2025
Q2
$16.1M Sell
69,617
-293,275
-81% -$64.2M 0.01% 1799
2025
Q1
$71.5M Buy
+362,892
New +$79.4M 0.04% 533
2024
Q4
Sell
-42,095
Closed -$10.5M 6013
2024
Q3
$10.2M Sell
42,095
-216,506
-84% -$50.9M ﹤0.01% 2172
2024
Q2
$58.5M Buy
258,601
+113,642
+78% +$23.8M 0.03% 706
2024
Q1
$29.2M Sell
144,959
-70,615
-33% -$12.7M 0.01% 1221
2023
Q4
$37.6M Sell
215,574
-7,510
-3% -$1.23M 0.02% 1005
2023
Q3
$37.3M Buy
+223,084
New +$37.6M 0.02% 909
2023
Q2
Sell
-182,768
Closed -$26.1M 6168
2023
Q1
$26.1M Sell
182,768
-191,022
-51% -$24.9M 0.01% 1148
2022
Q4
$42.7M Sell
373,790
-291,187
-44% -$34M 0.02% 854
2022
Q3
$73.1M Buy
664,977
+240,426
+57% +$25.7M 0.04% 483
2022
Q2
$37.2M Buy
424,551
+286,841
+208% +$27.7M 0.02% 824
2022
Q1
$15.4M Sell
137,710
-147,024
-52% -$14.5M 0.01% 1658
2021
Q4
$28.4M Sell
284,734
-41,690
-13% -$4.39M 0.01% 1135
2021
Q3
$33.9M Buy
326,424
+105,654
+48% +$10.4M 0.02% 890
2021
Q2
$20.6M Buy
220,770
+205,501
+1,346% +$18.7M 0.01% 1173
2021
Q1
$1.28M Sell
15,269
-91,254
-86% -$7.68M ﹤0.01% 3965
2020
Q4
$8.11M Buy
106,523
+76,969
+260% +$5.16M 0.01% 1977
2020
Q3
$1.66K Buy
29,554
+21,066
+248% +$1.25M ﹤0.01% 2742
2020
Q2
$509K Sell
8,488
-31,107
-79% -$1.73M ﹤0.01% 3392
2020
Q1
$2.03M Sell
39,595
-302,239
-88% -$22.1M ﹤0.01% 2006
2019
Q4
$29.3M Buy
341,834
+265,776
+349% +$21.6M 0.04% 612
2019
Q3
$5.87M Sell
76,058
-251,217
-77% -$18.6M 0.01% 1676
2019
Q2
$23.3M Buy
327,275
+27,626
+9% +$1.92M 0.04% 702
2019
Q1
$21.4M Sell
299,649
-190,503
-39% -$11.8M 0.03% 763
2018
Q4
$24.2M Buy
490,152
+444,239
+968% +$27.7M 0.04% 622
2018
Q3
$3.29M Sell
45,913
-74,897
-62% -$4.76M ﹤0.01% 2089
2018
Q2
$6.71M Sell
120,810
-51,838
-30% -$2.66M 0.01% 1600
2018
Q1
$8.43M Sell
172,648
-99,904
-37% -$5.24M 0.01% 1449
2017
Q4
$14.8M Buy
272,552
+129,781
+91% +$7.03M 0.02% 1077
2017
Q3
$8.1M Buy
142,771
+110,405
+341% +$6.01M 0.01% 1377
2017
Q2
$1.81M Buy
+32,366
New +$1.86M ﹤0.01% 2129
2016
Q4
Sell
-23,234
Closed -$1.11M 3373
2016
Q3
$1.11M Buy
23,234
+10,706
+85% +$531K ﹤0.01% 2222
2016
Q2
$653K Buy
+12,528
New +$627K ﹤0.01% 2358
2016
Q1
Sell
-34,669
Closed -$1.44M 3299
2015
Q4
$1.44M Sell
34,669
-10,300
-23% -$448K ﹤0.01% 2126
2015
Q3
$1.98M Sell
44,969
-4,054
-8% -$201K ﹤0.01% 1910
2015
Q2
$2.63M Sell
49,023
-262,592
-84% -$14.7M 0.01% 1746
2015
Q1
$17.7M Buy
311,615
+304,115
+4,055% +$15.7M 0.03% 723
2014
Q4
$360K Sell
7,500
-61,330
-89% -$2.99M ﹤0.01% 3225
2014
Q3
$3.71M Buy
68,830
+60,000
+680% +$3.53M 0.01% 1464
2014
Q2
$567K Buy
+8,830
New +$525K ﹤0.01% 2524
2013
Q3
Sell
-126,445
Closed -$6.39M 3324
2013
Q2
$6.39M Buy
+126,445
New +$7.05M 0.02% 873

Other funds holding CLH

Millennium Management's CLH Position: Q1 2026 in Review

Millennium Management increased its Clean Harbors (CLH) stake by 47% in Q1 2026, buying an estimated $5.54M and bringing the position to 63,880 shares worth $18.3M. The position accounts for 0.01% of the portfolio, ranked #1626.

Millennium Management first reported a position in CLH in Q2 2013 and has held it in 44 quarters since. The position peaked at $73.1M in Q3 2022. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

  • Millennium Management held 63,880 shares of Clean Harbors worth $18.3M as of Q1 2026.
  • Millennium Management bought 20,288 Clean Harbors shares in Q1 2026, an estimated $5.54M.
  • Clean Harbors made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1626 holding.
  • Millennium Management first reported a position in Clean Harbors in Q2 2013 and has held it in 44 quarters since.
  • Millennium Management's Clean Harbors position peaked at $73.1M in Q3 2022.
  • 623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.