Two Sigma Investments’s ION Geophysical Corporation IO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2020
Q2
Sell
-30,203
Closed -$38K 2571
2020
Q1
$38K Sell
30,203
-48,807
-62% -$61.4K ﹤0.01% 1800
2019
Q4
$686K Buy
79,010
+62,234
+371% +$540K ﹤0.01% 1582
2019
Q3
$153K Buy
+16,776
New +$153K ﹤0.01% 1787
2018
Q3
Sell
-13,109
Closed -$319K 2558
2018
Q2
$319K Sell
13,109
-34,266
-72% -$834K ﹤0.01% 1774
2018
Q1
$1.28M Sell
47,375
-10,536
-18% -$286K ﹤0.01% 1219
2017
Q4
$1.14M Buy
+57,911
New +$1.14M ﹤0.01% 1399
2017
Q1
Sell
-10,603
Closed -$64K 2634
2016
Q4
$64K Buy
+10,603
New +$64K ﹤0.01% 2078
2016
Q1
Sell
-19,264
Closed -$145K 2584
2015
Q4
$145K Buy
+19,264
New +$145K ﹤0.01% 1903
2015
Q3
Sell
-714
Closed -$11K 2417
2015
Q2
$11K Buy
+714
New +$11K ﹤0.01% 2127
2014
Q2
Sell
-17,497
Closed -$1.1M 2509
2014
Q1
$1.1M Buy
17,497
+7,083
+68% +$447K 0.01% 1177
2013
Q4
$516K Buy
10,414
+9,057
+667% +$449K ﹤0.01% 1650
2013
Q3
$106K Sell
1,357
-864
-39% -$67.5K ﹤0.01% 1741
2013
Q2
$200K Buy
+2,221
New +$200K ﹤0.01% 1777