Wellington Management Group’s ION Geophysical Corporation IO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2015
Q4
Sell
-13,224
Closed -$78K 2309
2015
Q3
$78K Hold
13,224
﹤0.01% 2135
2015
Q2
$212K Hold
13,224
﹤0.01% 2082
2015
Q1
$430K Hold
13,224
﹤0.01% 2015
2014
Q4
$546K Buy
13,224
+6,204
+88% +$256K ﹤0.01% 1984
2014
Q3
$294K Buy
7,020
+53
+0.8% +$2.22K ﹤0.01% 2076
2014
Q2
$441K Sell
6,967
-16,760
-71% -$1.06M ﹤0.01% 1998
2014
Q1
$1.5M Hold
23,727
﹤0.01% 1748
2013
Q4
$1.18M Sell
23,727
-425,372
-95% -$21.1M ﹤0.01% 1812
2013
Q3
$35M Sell
449,099
-144,706
-24% -$11.3M 0.01% 819
2013
Q2
$53.6M Buy
+593,805
New +$53.6M 0.02% 674