GSA Capital Partners’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
2021
Q1
Sell
2020
Q4
$132K Buy
2020
Q3
$33K Buy
2020
Q2
Sell
2020
Q1
$207K Buy
2019
Q4
$274K Buy
2018
Q4
Sell
2018
Q3
$684K Sell
2018
Q2
$3.1M Buy
2015
Q4
Sell
2015
Q3
$142K Buy
2013
Q4
Sell
2013
Q3
$246K Buy
2013
Q2
$254K Buy