BlackRock 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
-12,787
Closed -$75K 3070
2015
Q3
$75K Sell
12,787
-466
-4% -$2.73K ﹤0.01% 2756
2015
Q2
$213K Buy
13,253
+1,898
+17% +$30.5K ﹤0.01% 2546
2015
Q1
$370K Buy
11,355
+799
+8% +$26K ﹤0.01% 2289
2014
Q4
$435K Buy
10,556
+2,644
+33% +$109K ﹤0.01% 2276
2014
Q3
$332K Sell
7,912
-7,072
-47% -$297K ﹤0.01% 2294
2014
Q2
$949K Buy
14,984
+1,850
+14% +$117K ﹤0.01% 1843
2014
Q1
$829K Buy
13,134
+422
+3% +$26.6K ﹤0.01% 2047
2013
Q4
$629K Sell
12,712
-16,157
-56% -$799K ﹤0.01% 2130
2013
Q3
$2.25M Buy
28,869
+18,752
+185% +$1.46M ﹤0.01% 1403
2013
Q2
$914K Buy
+10,117
New +$914K ﹤0.01% 1815