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IO

ION Geophysical Corporation

Delisted

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

Name Holding Trade Value Shares
Change
Change in
Stake
Renaissance Technologies
1
Renaissance Technologies
New York
$30.3M +$12.7M +534,500 +91%
GCM
2
Gates Capital Management
New York
$23.4M +$8.29M +349,688 +68%
Invesco
3
Invesco
Georgia
$21.9M -$2.76M -116,196 -13%
Vanguard Group
4
Vanguard Group
Pennsylvania
$11.4M +$686K +28,949 +7%
HRCM
5
Hood River Capital Management
Florida
$10.2M +$8.89M +374,858 New
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$10.1M +$3.06M +128,856 +53%
MWNA
7
Marshall Wace North America
New York
$8.44M +$7.39M +311,499 New
Millennium Management
8
Millennium Management
New York
$8.38M +$6.36M +268,342 +656%
BCM
9
Bridgeway Capital Management
Texas
$5.9M -$133K -5,600 -3%
Neuberger Berman Group
10
Neuberger Berman Group
New York
$4.84M +$696K +29,343 +20%
BlackRock
11
BlackRock
New York
$4.75M -$22.6K -952 -0.5%
Arrowstreet Capital
12
Arrowstreet Capital
Massachusetts
$4.56M +$3.99M +168,411 New
AIM
13
Alambic Investment Management
California
$4.51M +$3.2M +135,113 +429%
Acadian Asset Management
14
Acadian Asset Management
Massachusetts
$4.1M +$2.12M +89,591 +145%
Goldman Sachs
15
Goldman Sachs
New York
$3.66M +$3.2M +135,098 New
SIM
16
Spark Investment Management
New York
$3.54M +$1.68M +70,700 +118%
OAM
17
Oxford Asset Management
United Kingdom
$3.49M -$576K -24,278 -16%
Deutsche Bank
18
Deutsche Bank
Germany
$3.25M +$1.48M +62,349 +108%
Susquehanna International Group
19
Susquehanna International Group
Pennsylvania
$2.68M +$1.46M +61,691 +166%
Fuller & Thaler Asset Management
20
Fuller & Thaler Asset Management
California
$2.12M +$1.86M +78,235 New
RA
21
Royce & Associates
New York
$1.95M
Geode Capital Management
22
Geode Capital Management
Massachusetts
$1.79M +$545K +22,983 +53%
JP Morgan Chase
23
JP Morgan Chase
New York
$1.63M -$1.78M -75,129 -56%
OSAM
24
O'Shaughnessy Asset Management
Connecticut
$1.55M +$851K +35,908 +170%
BCM
25
BlueCrest Capital Management
Jersey
$1.37M +$1.2M +50,554 New