IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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161 hedge funds and large institutions have $434M invested in ION Geophysical Corporation in 2014 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 57 increasing their positions, 38 reducing their positions, and 17 closing their positions.

Holders
161
Holders Change
+24
Holders Change %
+17.52%
% of All Funds
4.65%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
43
Increased
57
Reduced
38
Closed
17
Calls
$1.81M
Puts
$6.22M
Net Calls
-$4.41M
Net Calls Change
-$1.34M

Top Buyers

1
Allianz Asset Management
1
Allianz Asset Management
Germany
$8.51M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$36.7M
3
Invesco
3
Invesco
Georgia
$137M
4
BIM
4
Bogle Investment Management
Massachusetts
$3.86M
5
Morgan Stanley
5
Morgan Stanley
New York
$3.56M

Top Sellers

1
SDJVC
1
St. Denis J. Villere & Co
Louisiana
$1.2M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$342K
3
UBS AM
3
UBS AM
Illinois
$173K
4
TC
4
TFS Capital
Pennsylvania
$1.6M
5
Wells Fargo
5
Wells Fargo
California
$32.3M
Name Market Value Shares Shares
Change 		Shares
Change %
VOYA Investment Management
76
VOYA Investment Management
Georgia
$356K 5,639 -2,514 -31%
CCMH
77
Cornerstone Capital Management Holdings
New York
$353K 5,593 +5,593 New
Arrowstreet Capital
78
Arrowstreet Capital
Massachusetts
$343K 5,429 +5,429 New
T. Rowe Price Associates
79
T. Rowe Price Associates
Maryland
$342K 5,420 -180,015 -97%
NCA
80
NCM Capital Advisers
North Carolina
$325K 5,147 -2,926 -36%
WMSA
81
Weiss Multi-Strategy Advisers
New York
$290K 4,586 +4,586 New
BA
82
Boston Advisors
Massachusetts
$265K 4,202 +4,202 New
HIM
83
Hillsdale Investment Management
Ontario, Canada
$258K 4,087 +4,087 New
LSERS
84
Louisiana State Employees Retirement System
Louisiana
$249K 3,947 +174 +5%
CAM
85
Capstone Asset Management
Texas
$248K 3,925 -29 -0.7%
OC
86
Oppenheimer & Co
New York
$244K 3,867 +3,067 +383%
Commonwealth Equity Services
87
Commonwealth Equity Services
Massachusetts
$243K 3,851 +3,851 New
OA
88
OFI Advisors
Pennsylvania
$236K 3,731 -485 -12%
TRSOTSOK
89
Teachers Retirement System of the State of Kentucky
Kentucky
$233K 3,687 – –
GC
90
Guggenheim Capital
Illinois
$228K 3,604 +40 +1%
WA
91
WealthTrust Axiom
Pennsylvania
$226K 3,590 +1,033 +40%
HI
92
Horizon Investments
North Carolina
$226K 3,579 +3,579 New
JG
93
Jefferies Group
New York
$222K 3,513 +3,513 New
Verition Fund Management
94
Verition Fund Management
Connecticut
$207K 3,283 +3,283 New
Thrivent Financial for Lutherans
95
Thrivent Financial for Lutherans
Minnesota
$196K 3,103 +116 +4%
GMIM
96
General Motors Investment Management
New York
$196K 3,102 +632 +26%
VRS
97
Virginia Retirement Systems
Virginia
$190K 3,007 -4,406 -59%
Public Employees Retirement Association of Colorado
98
Public Employees Retirement Association of Colorado
Colorado
$184K 2,920 – –
UBS AM
99
UBS AM
Illinois
$173K 2,746 -46,854 -94%
AG
100
Aperio Group
California
$160K 2,534 +2,534 New
2 3
4
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