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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
Invesco
1
Invesco
Georgia
$18.3M -$4.85M -387,344 -30%
Renaissance Technologies
2
Renaissance Technologies
New York
$11.6M +$3.72M +296,974 +103%
GCM
3
Gates Capital Management
New York
$10.1M -$3M -239,462 -32%
Vanguard Group
4
Vanguard Group
Pennsylvania
$7.75M +$2.02M +161,125 +70%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$4.8M
BCM
6
Bridgeway Capital Management
Texas
$4.41M +$425K +33,900 +18%
BlackRock
7
BlackRock
New York
$3.48M +$29.9K +2,388 +1%
OAM
8
Oxford Asset Management
United Kingdom
$3.01M +$1.39M +110,758 +262%
Neuberger Berman Group
9
Neuberger Berman Group
New York
$2.95M -$394K -31,423 -17%
JP Morgan Chase
10
JP Morgan Chase
New York
$2.67M +$210K +16,734 +14%
RA
11
Royce & Associates
New York
$1.42M
Acadian Asset Management
12
Acadian Asset Management
Massachusetts
$1.22M +$476K +38,019 +161%
SIM
13
Spark Investment Management
New York
$1.19M +$134K +10,700 +22%
Two Sigma Investments
14
Two Sigma Investments
New York
$1.14M +$726K +57,911 New
Deutsche Bank
15
Deutsche Bank
Germany
$1.14M +$720K +57,504 +1,916,800%
California Public Employees Retirement System
16
California Public Employees Retirement System
California
$1.02M +$125K +9,938 +24%
Wells Fargo
17
Wells Fargo
California
$877K -$446K -35,618 -45%
EI
18
EAM Investors
California
$853K +$541K +43,196 New
Geode Capital Management
19
Geode Capital Management
Massachusetts
$848K -$179K -14,276 -25%
Millennium Management
20
Millennium Management
New York
$808K +$512K +40,894 New
Barclays
21
Barclays
United Kingdom
$749K +$475K +37,884 New
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$733K +$465K +37,135 New
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$636K +$48.9K +3,900 +14%
Northern Trust
24
Northern Trust
Illinois
$631K +$49.7K +3,969 +14%
AIM
25
Alambic Investment Management
California
$622K +$395K +31,500 New