IO

ION Geophysical Corporation

Delisted

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

137 hedge funds and large institutions have $369M invested in ION Geophysical Corporation in 2013 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 50 increasing their positions, 48 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
137
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
$1.46M
Puts
$4.53M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$2.05M
27
$1.92M
28
$1.91M
29
$1.9M
30
$1.78M
31
$1.65M
32
$1.42M
33
$1.38M
34
$1.38M
35
$1.29M
36
$1.18M
37
$984K
38
$967K
39
$938K
40
$908K
41
$898K
42
$885K
43
$817K
44
$810K
45
$794K
46
$772K
47
$768K
48
$758K
49
$750K
50
$730K