IO

ION Geophysical Corporation

Delisted

IO was delisted on the 18th of May, 2022.

142 hedge funds and large institutions have $575M invested in ION Geophysical Corporation in 2013 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 62 increasing their positions, 46 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
142
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$480K
Puts
$1.37M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$3.06M
27
$2.64M
28
$2.51M
29
$2.51M
30
$2.33M
31
$2.3M
32
$2.25M
33
$2.21M
34
$2.2M
35
$1.8M
36
$1.76M
37
$1.68M
38
$1.53M
39
$1.52M
40
$1.5M
41
$1.49M
42
$1.46M
43
$1.44M
44
$1.43M
45
$1.42M
46
$1.42M
47
$1.42M
48
$1.34M
49
$1.32M
50
$1.28M