California State Teachers Retirement System (CalSTRS)’s ION Geophysical Corporation IO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2019
Q2
Sell
-16,272
Closed -$235K 3167
2019
Q1
$235K Hold
16,272
﹤0.01% 2702
2018
Q4
$84K Hold
16,272
﹤0.01% 2944
2018
Q3
$253K Hold
16,272
﹤0.01% 2791
2018
Q2
$395K Buy
+16,272
New +$395K ﹤0.01% 2581
2016
Q2
Sell
-20,147
Closed -$163K 3141
2016
Q1
$163K Buy
20,147
+2,712
+16% +$21.9K ﹤0.01% 2849
2015
Q4
$132K Buy
17,435
+316
+2% +$2.39K ﹤0.01% 2934
2015
Q3
$100K Sell
17,119
-60
-0.3% -$350 ﹤0.01% 2980
2015
Q2
$276K Buy
17,179
+1,520
+10% +$24.4K ﹤0.01% 2866
2015
Q1
$510K Sell
15,659
-314
-2% -$10.2K ﹤0.01% 2444
2014
Q4
$659K Buy
15,973
+68
+0.4% +$2.81K ﹤0.01% 2320
2014
Q3
$666K Buy
15,905
+177
+1% +$7.41K ﹤0.01% 2268
2014
Q2
$996K Sell
15,728
-406
-3% -$25.7K ﹤0.01% 2073
2014
Q1
$1.02M Buy
16,134
+93
+0.6% +$5.87K ﹤0.01% 1990
2013
Q4
$794K Buy
16,041
+80
+0.5% +$3.96K ﹤0.01% 2133
2013
Q3
$1.25M Buy
15,961
+491
+3% +$38.3K ﹤0.01% 1810
2013
Q2
$1.4M Buy
+15,470
New +$1.4M ﹤0.01% 1638