GCP
IO

GSA Capital Partners’s ION Geophysical Corporation IO Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2021
Q1
Sell
-54,182
Closed -$132K 1672
2020
Q4
$132K Buy
54,182
+32,188
+146% +$78.4K 0.02% 1066
2020
Q3
$33K Buy
+21,994
New +$33K 0.01% 1203
2020
Q2
Sell
-162,947
Closed -$207K 1329
2020
Q1
$207K Buy
162,947
+131,409
+417% +$167K 0.05% 732
2019
Q4
$274K Buy
+31,538
New +$274K 0.03% 1085
2018
Q4
Sell
-43,988
Closed -$684K 1987
2018
Q3
$684K Sell
43,988
-83,605
-66% -$1.3M 0.04% 920
2018
Q2
$3.1M Buy
+127,593
New +$3.1M 0.15% 109
2015
Q4
Sell
-364,133
Closed -$142K 2114
2015
Q3
$142K Buy
+364,133
New +$142K 0.01% 1625
2013
Q4
Sell
-47,358
Closed -$246K 1884
2013
Q3
$246K Buy
47,358
+5,200
+12% +$27K 0.02% 1270
2013
Q2
$254K Buy
+42,158
New +$254K 0.03% 963