BlackRock Investment Management’s ION Geophysical Corporation IO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2016
Q4
$10K Hold
1,610
﹤0.01% 3576
2016
Q3
$11K Hold
1,610
﹤0.01% 3546
2016
Q2
$10K Sell
1,610
-33,019
-95% -$205K ﹤0.01% 3631
2016
Q1
$280K Buy
34,629
+803
+2% +$6.49K ﹤0.01% 3078
2015
Q4
$255K Sell
33,826
-3,683
-10% -$27.8K ﹤0.01% 3177
2015
Q3
$219K Sell
37,509
-406
-1% -$2.37K ﹤0.01% 3227
2015
Q2
$609K Buy
37,915
+6,590
+21% +$106K ﹤0.01% 3059
2015
Q1
$1.02M Hold
31,325
﹤0.01% 2504
2014
Q4
$1.29M Sell
31,325
-154
-0.5% -$6.35K ﹤0.01% 2365
2014
Q3
$1.32M Buy
31,479
+257
+0.8% +$10.8K ﹤0.01% 2316
2014
Q2
$1.98M Sell
31,222
-2,610
-8% -$165K ﹤0.01% 2068
2014
Q1
$2.14M Buy
33,832
+549
+2% +$34.7K ﹤0.01% 1982
2013
Q4
$1.65M Sell
33,283
-516
-2% -$25.6K ﹤0.01% 2143
2013
Q3
$2.64M Buy
33,799
+474
+1% +$37K ﹤0.01% 1747
2013
Q2
$3.01M Buy
+33,325
New +$3.01M 0.01% 1560