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
101
$75K
102
$66K
103
$64K
104
$59K
105
$54K
106
$53K
107
$52K
108
$41K
109
$40K
110
$39K
111
$39K
112
$39K
113
$38K
114
$38K
115
$37K
116
$37K
117
$37K
118
$36K
119
$35K
120
$30K
121
$19.8K
122
$17K
123
$16K
124
$15K
125
$14K