IO

ION Geophysical Corporation

Delisted

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

58 hedge funds and large institutions have $47.2M invested in ION Geophysical Corporation in 2019 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 17 increasing their positions, 18 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
58
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
$2.72M
Puts
$255K
Net Calls
Net Calls Change

Top Buyers

1 +$1.36M
2 +$919K
3 +$574K
4
Squarepoint
Squarepoint
New York
+$571K
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$475K

Top Sellers

1 -$3.86M
2 -$2.99M
3 -$1.27M
4
State Street
State Street
Massachusetts
-$1.21M
5
Invesco
Invesco
Georgia
-$712K
Name Holding Trade Value Shares
Change
Change in
Stake
26
$365K
27
$321K
28
$287K
29
$259K
30
$253K
31
$224K
32
$178K
33
$174K
34
$157K
35
$141K
36
$129K
37
$112K
38
$92K
39
$81K
40
$66K
41
$59K
42
$54K
43
$45K
44
$42K
45
$31K
46
$19K
47
$17K
48
$13K
49
$13K
50
$9.76K