BlackRock Institutional Trust’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
$952K Hold
158,636
﹤0.01% 3294
2016
Q3
$1.09M Hold
158,636
﹤0.01% 3252
2016
Q2
$988K Sell
158,636
-69,575
-30% -$433K ﹤0.01% 3302
2016
Q1
$1.84M Buy
228,211
+330
+0.1% +$2.67K ﹤0.01% 3060
2015
Q4
$1.72M Sell
227,881
-6,469
-3% -$48.8K ﹤0.01% 3167
2015
Q3
$1.37M Buy
234,350
+2,040
+0.9% +$11.9K ﹤0.01% 3227
2015
Q2
$3.73M Sell
232,310
-17,112
-7% -$275K ﹤0.01% 2871
2015
Q1
$8.12M Buy
249,422
+1,739
+0.7% +$56.6K ﹤0.01% 2522
2014
Q4
$10.2M Sell
247,683
-1,015
-0.4% -$41.9K ﹤0.01% 2349
2014
Q3
$10.4M Buy
248,698
+933
+0.4% +$39K ﹤0.01% 2307
2014
Q2
$15.7M Sell
247,765
-13,899
-5% -$880K ﹤0.01% 2123
2014
Q1
$16.5M Buy
261,664
+11,786
+5% +$744K ﹤0.01% 2088
2013
Q4
$12.4M Sell
249,878
-54,973
-18% -$2.72M ﹤0.01% 2274
2013
Q3
$23.8M Buy
304,851
+50,754
+20% +$3.96M ﹤0.01% 1730
2013
Q2
$22.9M Buy
+254,097
New +$22.9M ﹤0.01% 1701