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.

Holders
58
Holders Change
-11
Holders Change %
-15.94%
% of All Funds
1.26%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
13
Increased
17
Reduced
18
Closed
20
Calls
$2.72M
Puts
$255K
Net Calls
+$2.47M
Net Calls Change
-$3.55M
Name Market Value Shares Shares
Change
Shares
Change %
Renaissance Technologies
1
Renaissance Technologies
New York
$5.87M 728,749 +22,900 +3%
GCM
2
Gates Capital Management
New York
$5.26M 653,706 -371,129 -36%
Invesco
3
Invesco
Georgia
$4.95M 614,564 -88,440 -13%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$4.25M 528,376 +59,051 +13%
Vanguard Group
5
Vanguard Group
Pennsylvania
$4M 496,465 +8,705 +2%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$3.62M 449,551 -6,877 -2%
Deutsche Bank
7
Deutsche Bank
Germany
$3.07M 381,085 -157,661 -29%
BlackRock
8
BlackRock
New York
$1.53M 189,447 -479,001 -72%
Morgan Stanley
9
Morgan Stanley
New York
$1.48M 183,855 +168,518 +1,099%
Northern Trust
10
Northern Trust
Illinois
$1.15M 142,629 -7,125 -5%
BCM
11
Bridgeway Capital Management
Texas
$1.05M 130,216
Millennium Management
12
Millennium Management
New York
$919K 114,192 +114,192 New
SIM
13
Spark Investment Management
New York
$916K 113,900 +3,213 +3%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$687K 85,368 -38,911 -31%
Citigroup
15
Citigroup
New York
$641K 79,607 +71,343 +863%
RA
16
Royce & Associates
New York
$579K 71,880
Squarepoint
17
Squarepoint
New York
$571K 70,925 +70,925 New
PAM
18
Panagora Asset Management
Massachusetts
$527K 65,470
Acadian Asset Management
19
Acadian Asset Management
Massachusetts
$512K 63,595 +55,302 +667%
AIM
20
Alambic Investment Management
California
$494K 61,405 +40,277 +191%
Wells Fargo
21
Wells Fargo
California
$415K 51,580 -20,962 -29%
PP
22
Paloma Partners
Connecticut
$414K 51,392 +51,392 New
Two Sigma Advisers
23
Two Sigma Advisers
New York
$407K 50,526
Bank of New York Mellon
24
Bank of New York Mellon
New York
$391K 48,536 -21,062 -30%
RJFSA
25
Raymond James Financial Services Advisors
Florida
$386K 47,996 +2,500 +5%