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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
GCM
1
Gates Capital Management
New York
$28.4M +$7.99M +307,143 +36%
Renaissance Technologies
2
Renaissance Technologies
New York
$27.2M -$17.5K -674 -0.1%
Invesco
3
Invesco
Georgia
$20.6M +$981K +37,737 +5%
BlackRock
4
BlackRock
New York
$16.6M +$13.2M +506,791 +289%
Vanguard Group
5
Vanguard Group
Pennsylvania
$11.8M +$1.72M +66,046 +16%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$10.4M +$1.41M +54,421 +15%
Neuberger Berman Group
7
Neuberger Berman Group
New York
$5.61M +$1.36M +52,179 +29%
BCM
8
Bridgeway Capital Management
Texas
$5.29M
Deutsche Bank
9
Deutsche Bank
Germany
$3.98M +$1.14M +43,788 +37%
State Street
10
State Street
Massachusetts
$3.98M +$3.9M +150,153 +1,120%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$3.74M -$373K -14,336 -9%
PAM
12
Panagora Asset Management
Massachusetts
$3.32M +$3.55M +136,652 New
Northern Trust
13
Northern Trust
Illinois
$3.26M +$2.48M +95,507 +247%
SIM
14
Spark Investment Management
New York
$3.18M
Geode Capital Management
15
Geode Capital Management
Massachusetts
$3.18M +$1.69M +64,835 +98%
GCP
16
GSA Capital Partners
United Kingdom
$3.1M +$3.32M +127,593 New
JP Morgan Chase
17
JP Morgan Chase
New York
$2.64M +$1.26M +48,373 +80%
Acadian Asset Management
18
Acadian Asset Management
Massachusetts
$2.49M -$1.27M -48,852 -32%
Citadel Advisors
19
Citadel Advisors
Florida
$2.14M +$1.65M +63,378 +256%
Fuller & Thaler Asset Management
20
Fuller & Thaler Asset Management
California
$1.9M -$1.56K -60 -0.1%
RA
21
Royce & Associates
New York
$1.75M
SFM
22
Systematic Financial Management
New Jersey
$1.52M +$1.63M +62,515 New
BIM
23
Bogle Investment Management
Massachusetts
$1.42M +$1.18M +45,458 +355%
Two Sigma Advisers
24
Two Sigma Advisers
New York
$1.38M +$981K +37,713 +198%
OAM
25
Oxford Asset Management
United Kingdom
$1.36M -$1.89M -72,736 -56%