Walleye Trading’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
Q1
Sell
2018
Q4
$89K Buy
2017
Q1
Sell
2016
Q4
$47K Buy
2016
Q3
$1K Buy
2015
Q2
Hold
2015
Q1
Hold
2014
Q4
Hold
2014
Q3
Hold
2014
Q2
Hold
2014
Q1
Sell
2013
Q4
$0 Sell
2013
Q3
$9K Buy
2013
Q2
$3K Buy