D.E. Shaw & Co’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
Q1
Sell
-35,477
Closed -$308K 3013
2019
Q4
$308K Buy
+35,477
New +$308K ﹤0.01% 2352
2019
Q2
Sell
-10,789
Closed -$156K 2859
2019
Q1
$156K Buy
+10,789
New +$156K ﹤0.01% 2406
2015
Q4
Sell
-1,265
Closed -$7K 2878
2015
Q3
$7K Sell
1,265
-1,485
-54% -$8.22K ﹤0.01% 2523
2015
Q2
$44K Buy
2,750
+387
+16% +$6.19K ﹤0.01% 2580
2015
Q1
$77K Sell
2,363
-2,120
-47% -$69.1K ﹤0.01% 2452
2014
Q4
$185K Sell
4,483
-59
-1% -$2.44K ﹤0.01% 2342
2014
Q3
$190K Buy
4,542
+675
+17% +$28.2K ﹤0.01% 2209
2014
Q2
$245K Sell
3,867
-23,629
-86% -$1.5M ﹤0.01% 2124
2014
Q1
$1.74M Buy
27,496
+12,181
+80% +$769K ﹤0.01% 1326
2013
Q4
$758K Sell
15,315
-2,828
-16% -$140K ﹤0.01% 1762
2013
Q3
$1.42M Hold
18,143
﹤0.01% 1410
2013
Q2
$1.64M Buy
+18,143
New +$1.64M ﹤0.01% 1308