IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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148 hedge funds and large institutions have $288M invested in ION Geophysical Corporation in 2014 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 47 increasing their positions, 48 reducing their positions, and 14 closing their positions.

Holders
148
Holders Change
+2
Holders Change %
+1.37%
% of All Funds
4.3%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
17
Increased
47
Reduced
48
Closed
14
Calls
$159K
Puts
$453K
Net Calls
-$294K
Net Calls Change
+$277K

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$4.78M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$25.9M
3
SFM
3
Systematic Financial Management
New Jersey
$1.91M
4
American Century Companies
4
American Century Companies
Missouri
$3.48M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$13M

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$5.83M
2
Invesco
2
Invesco
Georgia
$88.3M
3
TC
3
TFS Capital
Pennsylvania
$602K
4
BA
4
BlackRock Advisors
Delaware
$210K
5
State Street
5
State Street
Massachusetts
$8.39M
Name Market Value Shares Shares
Change 		Shares
Change %
CSS
101
Cubist Systematic Strategies
Connecticut
$79K 28,157 +8,976 +47%
PI
102
PineBridge Investments
New York
$76K 27,567 +7,669 +39%
HI
103
HBK Investments
Texas
$73K 26,300 -19,053 -42%
RCM
104
Rotella Capital Management
Washington
$72K 25,900 +25,900 New
PP
105
Paloma Partners
Connecticut
$69K 24,797 -39,109 -61%
U
106
UBS
Switzerland
$66K 23,813 -8,539 -26%
ST
107
Spot Trading
Illinois
$56K 19,944 +18,037 +946%
Legal & General Group
108
Legal & General Group
United Kingdom
$54K 18,461 +18,461 New
Ohio Public Employees Retirement System (OPERS)
109
Ohio Public Employees Retirement System (OPERS)
Ohio
$52K 18,501 -3,853 -17%
PA
110
Profund Advisors
Maryland
$50K 17,903 -11,696 -40%
OC
111
Oppenheimer & Co
New York
$49K 17,500 -18,000 -51%
TU
112
TDAM USA
Ontario, Canada
$49K 17,700 +17,700 New
Barclays
113
Barclays
United Kingdom
$48K 23,878 -3,262 -12%
Cambridge Investment Research Advisors
114
Cambridge Investment Research Advisors
Iowa
$47K 16,980 +1,825 +12%
MSA
115
Mason Street Advisors
Wisconsin
$45K 15,971 -114 -0.7%
Connor, Clark & Lunn Investment Management (CC&L)
116
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$45K 16,100 +5,600 +53%
AG
117
Aperio Group
California
$37K 13,287 -27,067 -67%
CIBC Asset Management
118
CIBC Asset Management
Ontario, Canada
$35K 12,477 – –
MAA
119
Mraz Amerine & Associates
California
$33K 11,900 – –
AIP
120
Ameritas Investment Partners
Nebraska
$33K 11,881 – –
SCM
121
Shelton Capital Management
Colorado
$32K 11,605 – –
M&T Bank
122
M&T Bank
New York
$32K 11,423 +11,423 New
WAM
123
World Asset Management
Michigan
$29K 10,454 – –
Nuveen Asset Management
124
Nuveen Asset Management
Illinois
$29K 10,423 – –
DP
125
Dearborn Partners
Illinois
$28K 10,000 -22,300 -69%
3 4
5
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