BlackRock Advisors’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
$9K Hold
1,418
﹤0.01% 3506
2016
Q3
$10K Hold
1,418
﹤0.01% 3509
2016
Q2
$9K Sell
1,418
-2,473
-64% -$15.7K ﹤0.01% 3544
2016
Q1
$31K Sell
3,891
-1
-0% -$8 ﹤0.01% 3260
2015
Q4
$29K Sell
3,892
-2,157
-36% -$16.1K ﹤0.01% 3325
2015
Q3
$35K Hold
6,049
﹤0.01% 3341
2015
Q2
$97K Buy
6,049
+600
+11% +$9.62K ﹤0.01% 3143
2015
Q1
$177K Buy
5,449
+706
+15% +$22.9K ﹤0.01% 2720
2014
Q4
$196K Sell
4,743
-268
-5% -$11.1K ﹤0.01% 2609
2014
Q3
$210K Sell
5,011
-37,834
-88% -$1.59M ﹤0.01% 2546
2014
Q2
$2.71M Sell
42,845
-2,888
-6% -$183K ﹤0.01% 1070
2014
Q1
$2.89M Sell
45,733
-18,542
-29% -$1.17M ﹤0.01% 1068
2013
Q4
$3.18M Buy
64,275
+17,992
+39% +$891K ﹤0.01% 1051
2013
Q3
$3.61M Buy
46,283
+40,415
+689% +$3.15M ﹤0.01% 1032
2013
Q2
$530K Buy
+5,868
New +$530K ﹤0.01% 1779