SEI Investments
IO

SEI Investments’s ION Geophysical Corporation IO Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2019
Q2
Sell
-2,244
Closed -$26K 2977
2019
Q1
$26K Buy
2,244
+866
+63% +$10K ﹤0.01% 2719
2018
Q4
$3K Sell
1,378
-459
-25% -$999 ﹤0.01% 2611
2018
Q3
$25K Buy
1,837
+957
+109% +$13K ﹤0.01% 2358
2018
Q2
$21K Buy
880
+227
+35% +$5.42K ﹤0.01% 2790
2018
Q1
$18K Sell
653
-109
-14% -$3.01K ﹤0.01% 2686
2017
Q4
$15K Sell
762
-27
-3% -$531 ﹤0.01% 2694
2017
Q3
$8K Sell
789
-154
-16% -$1.56K ﹤0.01% 2758
2017
Q2
$4K Sell
943
-18
-2% -$76 ﹤0.01% 2790
2017
Q1
$5K Buy
961
+103
+12% +$536 ﹤0.01% 2602
2016
Q4
$5K Sell
858
-112
-12% -$653 ﹤0.01% 2606
2016
Q3
$7K Sell
970
-77
-7% -$556 ﹤0.01% 2478
2016
Q2
$6K Buy
+1,047
New +$6K ﹤0.01% 2375
2016
Q1
Sell
-7,054
Closed -$4K 2799
2015
Q4
$4K Buy
+7,054
New +$4K ﹤0.01% 2331
2015
Q3
Sell
-569
Closed -$1K 2682
2015
Q2
$1K Sell
569
-1,192
-68% -$2.1K ﹤0.01% 2237
2015
Q1
$4K Buy
1,761
+1,619
+1,140% +$3.68K ﹤0.01% 2073
2014
Q4
$0 Buy
+142
New ﹤0.01% 2322