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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
$9.85M +$10.1M +4,713,354 New
UFM
2
Ursa Fund Management
California
$2.19M +$2.25M +1,050,000 New
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.77M +$810K +377,489 +80%
Renaissance Technologies
4
Renaissance Technologies
New York
$831K -$1.06M -492,640 -55%
Deutsche Bank
5
Deutsche Bank
Germany
$627K
Neuberger Berman Group
6
Neuberger Berman Group
New York
$552K -$19.8K -9,226 -3%
Morgan Stanley
7
Morgan Stanley
New York
$488K -$255K -118,922 -34%
BlackRock
8
BlackRock
New York
$421K +$44.2K +20,573 +11%
BCM
9
Bridgeway Capital Management
Texas
$266K
Geode Capital Management
10
Geode Capital Management
Massachusetts
$264K +$97.6K +45,440 +56%
Squarepoint
11
Squarepoint
New York
$190K -$19.7K -9,190 -9%
CM
12
Caption Management
Oklahoma
$181K +$186K +86,790 New
Susquehanna International Group
13
Susquehanna International Group
Pennsylvania
$176K -$50.7K -23,615 -22%
Millennium Management
14
Millennium Management
New York
$169K -$165K -76,923 -49%
DCM
15
Dupont Capital Management
Delaware
$135K +$125K +58,001 +888%
RJFSA
16
Raymond James Financial Services Advisors
Florida
$130K +$25.8K +12,000 +24%
PI
17
PEAK6 Investments
Illinois
$114K +$117K +54,483 New
Northern Trust
18
Northern Trust
Illinois
$111K +$39.9K +18,603 +54%
CA
19
Cetera Advisors
Colorado
$88K
State Street
20
State Street
Massachusetts
$69K +$70.4K +32,810 New
Wells Fargo
21
Wells Fargo
California
$64K +$150 +70 +0.2%
SWM
22
SeaCrest Wealth Management
New York
$52K
Bank of New York Mellon
23
Bank of New York Mellon
New York
$44K -$6.39K -2,975 -12%
OQS
24
Occudo Quantitative Strategies
Florida
$29K +$30.2K +14,056 New
Dimensional Fund Advisors
25
Dimensional Fund Advisors
Texas
$26K