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 +$1.58M
2 +$1.17M
3 +$394K
4
Neuberger Berman Group
Neuberger Berman Group
New York
+$279K
5
Squarepoint
Squarepoint
New York
+$253K

Top Sellers

1 -$3.33M
2 -$1.04M
3 -$946K
4
Millennium Management
Millennium Management
New York
-$659K
5
Vanguard Group
Vanguard Group
Pennsylvania
-$618K
Name Holding Trade Value Shares
Change
Change in
Stake
26
$164K
27
$153K
28
$152K
29
$126K
30
$120K
31
$97K
32
$81K
33
$61K
34
$49K
35
$29K
36
$22K
37
$19K
38
$10.8K
39
$10K
40
$6K
41
$6K
42
$3K
43
$2K
44
$2K
45
$1K
46
$1K
47
48
49
50