MAM
ECOL

Martingale Asset Management’s US Ecology, Inc. ECOL Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2020
Q4
Sell
-6,305
Closed -$207K 1083
2020
Q3
$207K Sell
6,305
-61,103
-91% -$2.01M ﹤0.01% 969
2020
Q2
$2.29M Hold
67,408
0.03% 483
2020
Q1
$2.05M Sell
67,408
-35,500
-34% -$1.08M 0.03% 484
2019
Q4
$5.96M Hold
102,908
0.06% 337
2019
Q3
$6.58M Hold
102,908
0.07% 322
2019
Q2
$6.13M Buy
102,908
+2,200
+2% +$131K 0.06% 322
2019
Q1
$5.64M Buy
100,708
+16,800
+20% +$941K 0.06% 333
2018
Q4
$5.29M Buy
83,908
+40,501
+93% +$2.55M 0.07% 304
2018
Q3
$3.2M Buy
43,407
+34,907
+411% +$2.57M 0.04% 437
2018
Q2
$542K Hold
8,500
0.01% 847
2018
Q1
$454K Sell
8,500
-3,900
-31% -$208K 0.01% 838
2017
Q4
$633K Sell
12,400
-20,406
-62% -$1.04M 0.01% 787
2017
Q3
$1.77M Buy
32,806
+900
+3% +$48.4K 0.02% 582
2017
Q2
$1.61M Sell
31,906
-25,200
-44% -$1.27M 0.02% 614
2017
Q1
$2.68M Sell
57,106
-4,700
-8% -$220K 0.04% 465
2016
Q4
$3.04M Buy
61,806
+3,900
+7% +$192K 0.04% 447
2016
Q3
$2.6M Buy
57,906
+45,400
+363% +$2.04M 0.04% 446
2016
Q2
$575K Buy
12,506
+1,001
+9% +$46K 0.01% 644
2016
Q1
$509K Buy
11,505
+900
+8% +$39.8K 0.01% 647
2015
Q4
$387K Buy
10,605
+600
+6% +$21.9K 0.01% 712
2015
Q3
$437K Buy
10,005
+1,201
+14% +$52.5K 0.01% 673
2015
Q2
$429K Buy
8,804
+2,901
+49% +$141K 0.01% 716
2015
Q1
$295K Hold
5,903
0.01% 788
2014
Q4
$237K Sell
5,903
-8,703
-60% -$349K 0.01% 804
2014
Q3
$683K Hold
14,606
0.02% 606
2014
Q2
$715K Sell
14,606
-1
-0% -$49 0.02% 607
2014
Q1
$543K Hold
14,607
0.02% 662
2013
Q4
$542K Sell
14,607
-12
-0.1% -$445 0.02% 745
2013
Q3
$441K Sell
14,619
-1
-0% -$30 0.02% 785
2013
Q2
$402K Buy
+14,620
New +$402K 0.01% 790