Citadel Advisors’s US Ecology, Inc. ECOL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2022
Q2
Sell
-98,227
Closed -$4.7M 7498
2022
Q1
$4.7M Buy
98,227
+11,651
+13% +$558K ﹤0.01% 2136
2021
Q4
$2.77M Sell
86,576
-17,264
-17% -$551K ﹤0.01% 2695
2021
Q3
$3.36M Buy
103,840
+60,172
+138% +$1.95M ﹤0.01% 2434
2021
Q2
$1.64M Buy
43,668
+33,860
+345% +$1.27M ﹤0.01% 3449
2021
Q1
$408K Sell
9,808
-15,423
-61% -$642K ﹤0.01% 4745
2020
Q4
$916K Sell
25,231
-15,822
-39% -$574K ﹤0.01% 3332
2020
Q3
$1.34M Sell
41,053
-34,019
-45% -$1.11M ﹤0.01% 2658
2020
Q2
$2.54M Sell
75,072
-130,914
-64% -$4.43M ﹤0.01% 2036
2020
Q1
$6.26M Buy
205,986
+175,399
+573% +$5.33M ﹤0.01% 1299
2019
Q4
$1.77M Buy
+30,587
New +$1.77M ﹤0.01% 2475
2019
Q3
Hold
0
5310
2019
Q2
Sell
-34,414
Closed -$1.93M 5282
2019
Q1
$1.93M Buy
34,414
+21,533
+167% +$1.21M ﹤0.01% 2346
2018
Q4
$811K Sell
12,881
-17,782
-58% -$1.12M ﹤0.01% 2923
2018
Q3
$2.26M Sell
30,663
-1,619
-5% -$119K ﹤0.01% 2119
2018
Q2
$2.06M Sell
32,282
-1,205
-4% -$76.8K ﹤0.01% 2129
2018
Q1
$1.79M Buy
33,487
+10,965
+49% +$584K ﹤0.01% 2025
2017
Q4
$1.15M Buy
22,522
+4,041
+22% +$206K ﹤0.01% 2300
2017
Q3
$994K Buy
18,481
+10,916
+144% +$587K ﹤0.01% 2283
2017
Q2
$382K Sell
7,565
-17,728
-70% -$895K ﹤0.01% 2756
2017
Q1
$1.19M Sell
25,293
-4,393
-15% -$206K ﹤0.01% 2010
2016
Q4
$1.46M Buy
+29,686
New +$1.46M ﹤0.01% 1716
2016
Q3
Sell
-8,411
Closed -$386K 4247
2016
Q2
$386K Sell
8,411
-21,217
-72% -$974K ﹤0.01% 2392
2016
Q1
$1.31M Sell
29,628
-17,583
-37% -$776K ﹤0.01% 1668
2015
Q4
$1.72M Buy
47,211
+40,458
+599% +$1.47M ﹤0.01% 1651
2015
Q3
$295K Buy
6,753
+6,312
+1,431% +$276K ﹤0.01% 2952
2015
Q2
$21K Sell
441
-4,250
-91% -$202K ﹤0.01% 3576
2015
Q1
$234K Buy
4,691
+1,156
+33% +$57.7K ﹤0.01% 3038
2014
Q4
$142K Buy
3,535
+1,761
+99% +$70.7K ﹤0.01% 3189
2014
Q3
$83K Buy
+1,774
New +$83K ﹤0.01% 3097
2014
Q1
Sell
-28,793
Closed -$1.07M 3811
2013
Q4
$1.07M Buy
28,793
+16,826
+141% +$626K ﹤0.01% 1639
2013
Q3
$361K Sell
11,967
-22,989
-66% -$693K ﹤0.01% 2042
2013
Q2
$959K Buy
+34,956
New +$959K ﹤0.01% 1695