Charles Schwab’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
2019
Q2
Sell
2019
Q1
$373K Buy
2018
Q4
$103K Sell
2018
Q3
$879K Buy
2018
Q2
$549K Buy
2016
Q2
Sell
2016
Q1
$119K Sell
2015
Q4
$111K Hold
2015
Q3
$86K Sell
2015
Q2
$877K Sell
2015
Q1
$3.87M Buy
2014
Q4
$4.16M Buy
2014
Q3
$3.8M Buy
2014
Q2
$4.68M Buy
2014
Q1
$2.95M Buy
2013
Q4
$2.06M Buy
2013
Q3
$2.51M Sell
2013
Q2
$2.85M Buy