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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
$5.87M +$243K +22,900 +3%
GCM
2
Gates Capital Management
New York
$5.26M -$3.93M -371,129 -36%
Invesco
3
Invesco
Georgia
$4.95M -$937K -88,440 -13%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$4.25M +$626K +59,051 +13%
Vanguard Group
5
Vanguard Group
Pennsylvania
$4M +$92.2K +8,705 +2%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$3.62M -$72.9K -6,877 -2%
Deutsche Bank
7
Deutsche Bank
Germany
$3.07M -$1.67M -157,661 -29%
BlackRock
8
BlackRock
New York
$1.52M -$5.08M -479,001 -72%
Morgan Stanley
9
Morgan Stanley
New York
$1.48M +$1.79M +168,518 +1,099%
Northern Trust
10
Northern Trust
Illinois
$1.15M -$75.5K -7,125 -5%
BCM
11
Bridgeway Capital Management
Texas
$1.05M
Millennium Management
12
Millennium Management
New York
$919K +$1.21M +114,192 New
SIM
13
Spark Investment Management
New York
$916K +$34K +3,213 +3%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$687K -$412K -38,911 -31%
Citigroup
15
Citigroup
New York
$641K +$756K +71,343 +863%
RA
16
Royce & Associates
New York
$579K
Squarepoint
17
Squarepoint
New York
$571K +$752K +70,925 New
PAM
18
Panagora Asset Management
Massachusetts
$527K
Acadian Asset Management
19
Acadian Asset Management
Massachusetts
$512K +$586K +55,302 +667%
AIM
20
Alambic Investment Management
California
$494K +$427K +40,277 +191%
Wells Fargo
21
Wells Fargo
California
$415K -$222K -20,962 -29%
PP
22
Paloma Partners
Connecticut
$414K +$545K +51,392 New
Two Sigma Advisers
23
Two Sigma Advisers
New York
$407K
Bank of New York Mellon
24
Bank of New York Mellon
New York
$391K -$223K -21,062 -30%
RJFSA
25
Raymond James Financial Services Advisors
Florida
$386K +$26.5K +2,500 +5%