IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

IO was delisted on the 18th of May, 2022.

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153 hedge funds and large institutions have $689M invested in ION Geophysical Corporation in 2013 Q2 according to their latest regulatory filings, with 153 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
153
Holders Change
+153
Holders Change %
–
% of All Funds
5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
153
Increased
–
Reduced
–
Closed
–
Calls
$625K
Puts
$1.43M
Net Calls
-$806K
Net Calls Change
-$806K

Top Buyers

1
Invesco
1
Invesco
Georgia
$112M
2
SDJVC
2
St. Denis J. Villere & Co
Louisiana
$70.4M
3
Wells Fargo
3
Wells Fargo
California
$55.9M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$53.6M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$44.5M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
WA
76
WealthTrust Axiom
Pennsylvania
$586K 97,410 +97,410 New
Citigroup
77
Citigroup
New York
$560K 93,015 +93,015 New
ProShare Advisors
78
ProShare Advisors
Maryland
$546K 90,641 +90,641 New
Millennium Management
79
Millennium Management
New York
$546K 90,716 +90,716 New
BA
80
BlackRock Advisors
Delaware
$530K 88,014 +88,014 New
KeyBank National Association
81
KeyBank National Association
Ohio
$462K 76,783 +76,783 New
PP
82
PDT Partners
New York
$448K 74,403 +74,403 New
SO
83
STRS Ohio
Ohio
$407K 67,600 +67,600 New
CAM
84
Capstone Asset Management
Texas
$375K 62,233 +62,233 New
SCA
85
SAC Capital Advisors
Connecticut
$345K 57,284 +57,284 New
WFM
86
Wilmington Funds Management
Delaware
$332K 55,107 +55,107 New
CIC
87
Cornercap Investment Counsel
Georgia
$331K 54,969 +54,969 New
GC
88
Guggenheim Capital
Illinois
$318K 52,832 +52,832 New
NTCOC
89
Northern Trust Company of Connecticut
Connecticut
$315K 52,374 +52,374 New
GMIM
90
General Motors Investment Management
New York
$300K 49,916 +49,916 New
WMSA
91
Weiss Multi-Strategy Advisers
New York
$286K 47,580 +47,580 New
BNP Paribas Financial Markets
92
BNP Paribas Financial Markets
France
$280K 46,460 +46,460 New
Public Employees Retirement Association of Colorado
93
Public Employees Retirement Association of Colorado
Colorado
$264K 43,800 +43,800 New
EMG
94
Ellington Management Group
Connecticut
$255K 42,300 +42,300 New
GCP
95
GSA Capital Partners
United Kingdom
$254K 42,158 +42,158 New
UBS AM
96
UBS AM
Illinois
$254K 42,196 +42,196 New
MAA
97
Managed Account Advisors
New Jersey
$207K 34,394 +34,394 New
Two Sigma Investments
98
Two Sigma Investments
New York
$200K 33,316 +33,316 New
Bank of Montreal
99
Bank of Montreal
Ontario, Canada
$194K 32,240 +32,240 New
ARTA
100
A.R.T. Advisors
New York
$175K 29,074 +29,074 New
2 3
4
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