IO

ION Geophysical Corporation

Delisted

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

51 hedge funds and large institutions have $47.7M invested in ION Geophysical Corporation in 2019 Q3 according to their latest regulatory filings, with 7 funds opening new positions, 17 increasing their positions, 18 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
51
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
$401K
Puts
$141K
Net Calls
Net Calls Change

Top Buyers

1 +$1.53M
2 +$1.13M
3 +$382K
4
Neuberger Berman Group
Neuberger Berman Group
New York
+$271K
5
Squarepoint
Squarepoint
New York
+$245K

Top Sellers

1 -$3.23M
2 -$1.01M
3 -$920K
4
Millennium Management
Millennium Management
New York
-$639K
5
Vanguard Group
Vanguard Group
Pennsylvania
-$599K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$8.22M
2
$4.92M
3
$4.85M
4
$4.38M
5
$3.91M
6
$3.42M
7
$2.85M
8
$2.27M
9
$1.78M
10
$1.19M
11
$974K
12
$912K
13
$900K
14
$808K
15
$674K
16
$656K
17
$597K
18
$568K
19
$489K
20
$474K
21
$435K
22
$413K
23
$382K
24
$351K
25
$192K