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
76
$232K
77
$227K
78
$211K
79
$209K
80
$198K
81
$196K
82
$187K
83
$182K
84
$176K
85
$150K
86
$148K
87
$147K
88
$145K
89
$136K
90
$127K
91
$126K
92
$124K
93
$122K
94
$122K
95
$109K
96
$106K
97
$105K
98
$90K
99
$81K
100
$79K