Citadel Advisors’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
$9.98M Buy
+34,822
New +$9.5M ﹤0.01% 3260
2025
Q3
Sell
-240,240
Closed -$56.9M 12894
2025
Q2
$55.5M Buy
240,240
+194,872
+430% +$42.7M 0.01% 1165
2025
Q1
$8.94M Buy
+45,368
New +$9.93M ﹤0.01% 3007
2024
Q4
Sell
-8,335
Closed -$2.07M 14602
2024
Q3
$2.01M Buy
+8,335
New +$1.96M ﹤0.01% 5518
2024
Q2
Sell
-6,954
Closed -$1.46M 14364
2024
Q1
$1.4M Sell
6,954
-64,862
-90% -$11.7M ﹤0.01% 6225
2023
Q4
$12.5M Buy
+71,816
New +$11.8M ﹤0.01% 2555
2023
Q2
Sell
-158,002
Closed -$23.1M 14427
2023
Q1
$22.5M Buy
158,002
+7,948
+5% +$1.03M 0.01% 1805
2022
Q4
$17.1M Sell
150,054
-107,580
-42% -$12.6M ﹤0.01% 2128
2022
Q3
$28.3M Buy
257,634
+109,024
+73% +$11.7M 0.01% 1535
2022
Q2
$13M Buy
148,610
+76,888
+107% +$7.42M ﹤0.01% 2346
2022
Q1
$8.01M Buy
71,722
+64,657
+915% +$6.38M ﹤0.01% 3318
2021
Q4
$705K Sell
7,065
-30,258
-81% -$3.19M ﹤0.01% 8822
2021
Q3
$3.88M Sell
37,323
-3,680
-9% -$362K ﹤0.01% 4821
2021
Q2
$3.82M Buy
+41,003
New +$3.73M ﹤0.01% 5032
2021
Q1
Sell
-50,794
Closed -$4.27M 13204
2020
Q4
$3.87M Sell
50,794
-95,122
-65% -$6.37M ﹤0.01% 4130
2020
Q3
$8.18M Sell
145,916
-31,698
-18% -$1.88M ﹤0.01% 2531
2020
Q2
$10.7M Sell
177,614
-91,245
-34% -$5.09M ﹤0.01% 2147
2020
Q1
$13.8M Buy
268,859
+136,238
+103% +$9.95M 0.01% 1547
2019
Q4
$11.4M Buy
132,621
+122,693
+1,236% +$9.97M ﹤0.01% 2063
2019
Q3
$767K Sell
9,928
-136,028
-93% -$10.1M ﹤0.01% 6043
2019
Q2
$10.4M Sell
145,956
-33,258
-19% -$2.32M ﹤0.01% 2132
2019
Q1
$12.8M Sell
179,214
-171,833
-49% -$10.6M 0.01% 1771
2018
Q4
$17.3M Buy
351,047
+168,589
+92% +$10.5M 0.01% 1349
2018
Q3
$13.1M Sell
182,458
-47,689
-21% -$3.03M 0.01% 1805
2018
Q2
$12.8M Buy
230,147
+114,265
+99% +$5.87M 0.01% 1696
2018
Q1
$5.66M Buy
115,882
+20,672
+22% +$1.08M ﹤0.01% 2341
2017
Q4
$5.16M Buy
95,210
+1,209
+1% +$65.5K ﹤0.01% 2447
2017
Q3
$5.33M Buy
94,001
+66,671
+244% +$3.63M ﹤0.01% 2246
2017
Q2
$1.53M Buy
27,330
+23,169
+557% +$1.33M ﹤0.01% 3512
2017
Q1
$231K Sell
4,161
-92,507
-96% -$5.12M ﹤0.01% 6296
2016
Q4
$5.38M Sell
96,668
-34,294
-26% -$1.73M 0.01% 1926
2016
Q3
$6.28M Buy
+130,962
New +$6.49M 0.01% 1752
2016
Q1
Sell
-3,184
Closed -$139K 6889
2015
Q4
$133K Sell
3,184
-93,046
-97% -$4.04M ﹤0.01% 6361
2015
Q3
$4.23M Buy
96,230
+92,516
+2,491% +$4.59M ﹤0.01% 2109
2015
Q2
$200K Sell
3,714
-40,758
-92% -$2.27M ﹤0.01% 6322
2015
Q1
$2.52M Buy
44,472
+41,700
+1,504% +$2.16M ﹤0.01% 2777
2014
Q4
$133K Sell
2,772
-65,530
-96% -$3.19M ﹤0.01% 6383
2014
Q3
$3.68M Buy
68,302
+60,900
+823% +$3.58M ﹤0.01% 2257
2014
Q2
$476K Sell
7,402
-897
-11% -$53.3K ﹤0.01% 4463
2014
Q1
$455K Sell
8,299
-90,538
-92% -$4.93M ﹤0.01% 4471
2013
Q4
$5.93M Buy
98,837
+75,098
+316% +$4.33M 0.01% 1555
2013
Q3
$1.39M Sell
23,739
-244,228
-91% -$13.6M ﹤0.01% 2758
2013
Q2
$13.5M Buy
+267,967
New +$14.9M 0.02% 873

Other funds holding CLH

Citadel Advisors's CLH Position: Q1 2026 in Review

Citadel Advisors opened a new position in Clean Harbors (CLH) in Q1 2026: 34,822 shares worth $9.98M. The stake represents ﹤0.01% of the portfolio and ranks #3260 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in CLH as recently as Q2 2025.

Citadel Advisors first reported a position in CLH in Q2 2013 and has held it in 43 quarters since. The position peaked at $55.5M in Q2 2025. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

  • Citadel Advisors held 34,822 shares of Clean Harbors worth $9.98M as of Q1 2026.
  • Clean Harbors was a new Citadel Advisors position in Q1 2026.
  • Clean Harbors made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3260 holding.
  • Citadel Advisors first reported a position in Clean Harbors in Q2 2013 and has held it in 43 quarters since.
  • Citadel Advisors's Clean Harbors position peaked at $55.5M in Q2 2025.
  • 623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.