Parametric Portfolio Associates’s ION Geophysical Corporation IO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2020
Q1
Sell
-11,017
Closed -$96K 4088
2019
Q4
$96K Buy
11,017
+431
+4% +$3.73K ﹤0.01% 3868
2019
Q3
$97K Sell
10,586
-8,915
-46% -$78.8K ﹤0.01% 3839
2019
Q2
$157K Sell
19,501
-3,333
-15% -$35.3K ﹤0.01% 3783
2019
Q1
$330K Buy
22,834
+5,238
+30% +$61.3K ﹤0.01% 3518
2018
Q4
$91K Buy
17,596
+2,677
+18% +$27.2K ﹤0.01% 3792
2018
Q3
$232K Buy
+14,919
New +$291K ﹤0.01% 3703
2017
Q1
Sell
-34,578
Closed -$207K 3895
2016
Q4
$207K Sell
34,578
-1,756
-5% -$12K ﹤0.01% 3580
2016
Q3
$249K Buy
36,334
+3,801
+12% +$21.9K ﹤0.01% 3503
2016
Q2
$203K Sell
32,533
-29,091
-47% -$218K ﹤0.01% 3603
2016
Q1
$498K Buy
61,624
+31,001
+101% +$181K ﹤0.01% 3330
2015
Q4
$231K Sell
30,623
-835
-3% -$5.95K ﹤0.01% 3674
2015
Q3
$184K Sell
31,458
-712
-2% -$7.51K ﹤0.01% 3111
2015
Q2
$516K Sell
32,170
-1,879
-6% -$50.4K ﹤0.01% 3263
2015
Q1
$1.11M Buy
34,049
+6,118
+22% +$219K ﹤0.01% 2715
2014
Q4
$1.15M Buy
27,931
+13,840
+98% +$544K ﹤0.01% 2668
2014
Q3
$590K Sell
14,091
-1,084
-7% -$58K ﹤0.01% 3088
2014
Q2
$961K Sell
15,175
-765
-5% -$48.2K ﹤0.01% 2736
2014
Q1
$1.01M Buy
15,940
+425
+3% +$23.3K ﹤0.01% 2680
2013
Q4
$768K Buy
15,515
+1,445
+10% +$87.6K ﹤0.01% 2862
2013
Q3
$1.1M Buy
14,070
+719
+5% +$59.1K ﹤0.01% 2491
2013
Q2
$1.21M Buy
+13,351
New +$1.25M ﹤0.01% 2280

Other funds holding IO