IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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63 hedge funds and large institutions have $38M invested in ION Geophysical Corporation in 2016 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 1 increasing their positions, 52 reducing their positions, and 33 closing their positions.

Holders
63
Holders Change
-25
Holders Change %
-28.41%
% of All Funds
1.68%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
10
Increased
1
Reduced
52
Closed
33
Calls
$103K
Puts
–
Net Calls
+$103K
Net Calls Change
+$104K

Top Buyers

1
SIM
1
Spark Investment Management
New York
$400K
2
OAM
2
Oxford Asset Management
United Kingdom
$311K
3
SCM
3
Sterling Capital Management
North Carolina
$295K
4
GCM
4
Gates Capital Management
New York
$202K
5
Manulife (Manufacturers Life Insurance)
5
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$13K

Top Sellers

1
Invesco
1
Invesco
Georgia
$15M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.42M
3
Wells Fargo
3
Wells Fargo
California
$414K
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$2.2M
5
BFA
5
BlackRock Fund Advisors
California
$1.9M
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$15M 1,861,583 -26,565,002 -93%
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.42M 423,353 -5,868,155 -93%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$2.2M 272,091 -3,921,653 -94%
BFA
4
BlackRock Fund Advisors
California
$1.9M 235,489 -3,463,966 -94%
BIT
5
BlackRock Institutional Trust
California
$1.84M 228,211 -3,190,005 -93%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$1.52M 188,596 -2,774,105 -94%
Renaissance Technologies
7
Renaissance Technologies
New York
$1.37M 169,782 -2,442,718 -94%
State Street
8
State Street
Massachusetts
$1.3M 161,646 -2,054,734 -93%
Norges Bank
9
Norges Bank
Norway
$1.07M 132,245 -1,851,434 -93%
Northern Trust
10
Northern Trust
Illinois
$736K 91,123 -1,415,210 -94%
Fuller & Thaler Asset Management
11
Fuller & Thaler Asset Management
California
$683K 84,544 -1,581,256 -95%
RA
12
Royce & Associates
New York
$581K 71,880 -1,006,320 -93%
PPA
13
Parametric Portfolio Associates
Washington
$498K 61,624 -397,718 -87%
Jacobs Levy Equity Management
14
Jacobs Levy Equity Management
New Jersey
$437K 54,029 -807,134 -94%
CPS
15
Counsel Portfolio Services
Ontario, Canada
$426K 52,735 -738,302 -93%
Wells Fargo
16
Wells Fargo
California
$414K 51,344 -4,042,252 -99%
SIM
17
Spark Investment Management
New York
$400K 49,600 +49,600 New
Bank of New York Mellon
18
Bank of New York Mellon
New York
$371K 45,943 -628,638 -93%
PAM
19
Panagora Asset Management
Massachusetts
$363K 44,948 -1,895,717 -98%
BCM
20
Bridgeway Capital Management
Texas
$356K 44,000 -316,010 -88%
OAM
21
Oxford Asset Management
United Kingdom
$311K 38,508 +38,508 New
SCM
22
Sterling Capital Management
North Carolina
$295K 36,571 +36,571 New
BIM
23
BlackRock Investment Management
Delaware
$280K 34,629 -472,759 -93%
Connor, Clark & Lunn Investment Management (CC&L)
24
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$252K 31,179 -34,271 -52%
GCM
25
Gates Capital Management
New York
$202K 25,000 +25,000 New
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