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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
Bank of Montreal
101
Bank of Montreal
Ontario, Canada
-$27K -4,689 Closed
PP
102
Paloma Partners
Connecticut
-$27K -4,646 Closed
ASRS
103
Arizona State Retirement System
Arizona
-$24K -4,113 Closed
LSERS
104
Louisiana State Employees Retirement System
Louisiana
-$22K -3,773 Closed
TRSOTSOK
105
Teachers Retirement System of the State of Kentucky
Kentucky
-$22K -3,687 Closed
Thrivent Financial for Lutherans
106
Thrivent Financial for Lutherans
Minnesota
-$21K -3,577 Closed
UBS AM
107
UBS AM
Illinois
-$20K -3,453 Closed
AP
108
Advisor Partners
California
-$19K -3,279 Closed
BNP Paribas Financial Markets
109
BNP Paribas Financial Markets
France
-$13.5K -2,314 Closed
MERSOM
110
Municipal Employees' Retirement System of Michigan
Michigan
-$10K -1,737 Closed
Nomura Holdings
111
Nomura Holdings
Japan
-$22K -1,733 Closed
D.E. Shaw & Co
112
D.E. Shaw & Co
New York
-$7K -1,265 Closed
MSA
113
Mason Street Advisors
Wisconsin
-$7K -1,262 Closed
PA
114
Profund Advisors
Maryland
-$7K -1,233 Closed
Teacher Retirement System of Texas
115
Teacher Retirement System of Texas
Texas
-$6K -1,077 Closed
PI
116
PineBridge Investments
New York
-$6K -1,035 Closed
MAA
117
Mraz Amerine & Associates
California
-$5K -793 Closed
OC
118
Oppenheimer & Co
New York
-$4K -700 Closed
PCM
119
Prelude Capital Management
New York
-$4K -633 Closed
GAM
120
Gemmer Asset Management
California
-$2K -387 Closed
LIA
121
LS Investment Advisors
Michigan
-$2K -286 Closed
Canada Life
122
Canada Life
Manitoba, Canada
-$2K -272 Closed
IA
123
IFP Advisors
Florida
+$242 +34 New