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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
WA
76
WealthTrust Axiom
Pennsylvania
$586K +$606K +6,494 New
Citigroup
77
Citigroup
New York
$560K +$579K +6,201 New
ProShare Advisors
78
ProShare Advisors
Maryland
$546K +$564K +6,043 New
Millennium Management
79
Millennium Management
New York
$546K +$564K +6,048 New
BA
80
BlackRock Advisors
Delaware
$530K +$548K +5,868 New
KeyBank National Association
81
KeyBank National Association
Ohio
$462K +$478K +5,119 New
PP
82
PDT Partners
New York
$448K +$463K +4,960 New
SO
83
STRS Ohio
Ohio
$407K +$421K +4,507 New
CAM
84
Capstone Asset Management
Texas
$375K +$387K +4,149 New
SCA
85
SAC Capital Advisors
Connecticut
$345K +$356K +3,819 New
WFM
86
Wilmington Funds Management
Delaware
$332K +$343K +3,674 New
CIC
87
Cornercap Investment Counsel
Georgia
$331K +$342K +3,665 New
GC
88
Guggenheim Capital
Illinois
$318K +$329K +3,522 New
NTCOC
89
Northern Trust Company of Connecticut
Connecticut
$315K +$326K +3,492 New
GMIM
90
General Motors Investment Management
New York
$300K +$311K +3,328 New
WMSA
91
Weiss Multi-Strategy Advisers
New York
$286K +$296K +3,172 New
BNP Paribas Financial Markets
92
BNP Paribas Financial Markets
France
$280K +$289K +3,097 New
Thrivent Financial for Lutherans
93
Thrivent Financial for Lutherans
Minnesota
$265K +$274K +2,940 New
Public Employees Retirement Association of Colorado
94
Public Employees Retirement Association of Colorado
Colorado
$264K +$272K +2,920 New
EMG
95
Ellington Management Group
Connecticut
$255K +$263K +2,820 New
GCP
96
GSA Capital Partners
United Kingdom
$254K +$262K +2,811 New
UBS AM
97
UBS AM
Illinois
$254K +$262K +2,813 New
MAA
98
Managed Account Advisors
New Jersey
$207K +$214K +2,293 New
Two Sigma Investments
99
Two Sigma Investments
New York
$200K +$207K +2,221 New
Bank of Montreal
100
Bank of Montreal
Ontario, Canada
$194K +$201K +2,149 New