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
51
$675K
52
$668K
53
$656K
54
$629K
55
$516K
56
$475K
57
$467K
58
$425K
59
$423K
60
$421K
61
$404K
62
$400K
63
$392K
64
$368K
65
$367K
66
$358K
67
$356K
68
$340K
69
$337K
70
$317K
71
$309K
72
$306K
73
$283K
74
$280K
75
$248K