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
101
$124K
102
$119K
103
$118K
104
$116K
105
$106K
106
$104K
107
$100K
108
$94K
109
$86K
110
$82.1K
111
$82K
112
$81K
113
$80K
114
$76K
115
$72K
116
$66K
117
$62K
118
$62K
119
$61K
120
$60K
121
$59K
122
$56K
123
$55K
124
$52K
125
$40K