IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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50 hedge funds and large institutions have $20.6M invested in ION Geophysical Corporation in 2017 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 13 increasing their positions, 15 reducing their positions, and 22 closing their positions.

Holders
50
Holders Change
-16
Holders Change %
-24.24%
% of All Funds
1.25%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
10
Increased
13
Reduced
15
Closed
22
Calls
–
Puts
$21K
Net Calls
-$21K
Net Calls Change
+$68K

Top Buyers

1
GCM
1
Gates Capital Management
New York
$2.83M
2
BlackRock
2
BlackRock
New York
$916K
3
BCM
3
Bridgeway Capital Management
Texas
$755K
4
California Public Employees Retirement System
4
California Public Employees Retirement System
California
$213K
5
ARTA
5
A.R.T. Advisors
New York
$202K

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
Fuller & Thaler Asset Management
2
Fuller & Thaler Asset Management
California
$0
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.75M
4
Goldman Sachs
4
Goldman Sachs
New York
$281K
5
SIM
5
Spark Investment Management
New York
$313K
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$6.33M 1,305,864 +20,241 +2%
GCM
2
Gates Capital Management
New York
$2.83M 582,946 +241,567 +71%
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.75M 360,088 -74,972 -17%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$1.29M 265,378 -1,876 -0.7%
Renaissance Technologies
5
Renaissance Technologies
New York
$1.13M 232,982 -26,124 -10%
BlackRock
6
BlackRock
New York
$916K 188,860 +188,860 New
Neuberger Berman Group
7
Neuberger Berman Group
New York
$903K 186,140 +7,090 +4%
BCM
8
Bridgeway Capital Management
Texas
$755K 155,724 +57,908 +59%
JPMorgan Chase & Co
9
JPMorgan Chase & Co
New York
$464K 95,783 +481 +0.5%
Connor, Clark & Lunn Investment Management (CC&L)
10
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$403K 83,021 +359 +0.4%
RA
11
Royce & Associates
New York
$349K 71,880 – –
Wells Fargo
12
Wells Fargo
California
$339K 69,920 -25,551 -27%
SIM
13
Spark Investment Management
New York
$313K 64,678 -46,322 -42%
Goldman Sachs
14
Goldman Sachs
New York
$281K 57,892 -47,740 -45%
IAM
15
Impax Asset Management
New Hampshire
$243K 50,000 – –
OAM
16
Oxford Asset Management
United Kingdom
$239K 49,379 -39,532 -44%
California Public Employees Retirement System
17
California Public Employees Retirement System
California
$213K 43,966 +29,500 +204%
AG
18
Algert Global
California
$208K 42,959 +20,380 +90%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$203K 42,046 – –
ARTA
20
A.R.T. Advisors
New York
$202K 41,680 +27,820 +201%
BC
21
Brookfield Corp
Ontario, Canada
$183K 37,750 – –
State of New Jersey Common Pension Fund D
22
State of New Jersey Common Pension Fund D
New Jersey
$149K 30,666 – –
Northern Trust
23
Northern Trust
Illinois
$135K 27,826 +799 +3%
Jacobs Levy Equity Management
24
Jacobs Levy Equity Management
New Jersey
$108K 22,359 -40,971 -65%
LSV Asset Management
25
LSV Asset Management
Illinois
$102K 21,200 -11,200 -35%
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