IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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48 hedge funds and large institutions have $86.3M invested in ION Geophysical Corporation in 2017 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 16 increasing their positions, 9 reducing their positions, and 8 closing their positions.

Holders
48
Holders Change
+6
Holders Change %
+14.29%
% of All Funds
1.09%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
14
Increased
16
Reduced
9
Closed
8
Calls
$3.38M
Puts
$564K
Net Calls
+$2.82M
Net Calls Change
+$3.22M

Top Buyers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$11.6M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$7.75M
3
OAM
3
Oxford Asset Management
United Kingdom
$3.01M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$1.14M
5
Deutsche Bank
5
Deutsche Bank
Germany
$1.14M

Top Sellers

1
Invesco
1
Invesco
Georgia
$18.3M
2
GCM
2
Gates Capital Management
New York
$10.1M
3
Wells Fargo
3
Wells Fargo
California
$877K
4
Neuberger Berman Group
4
Neuberger Berman Group
New York
$2.95M
5
State of New Jersey Common Pension Fund D
5
State of New Jersey Common Pension Fund D
New Jersey
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$18.3M 924,292 -387,344 -30%
Renaissance Technologies
2
Renaissance Technologies
New York
$11.6M 585,156 +296,974 +103%
GCM
3
Gates Capital Management
New York
$10.1M 512,156 -239,462 -32%
Vanguard Group
4
Vanguard Group
Pennsylvania
$7.75M 392,547 +161,125 +70%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$4.81M 243,307 – –
BCM
6
Bridgeway Capital Management
Texas
$4.41M 223,405 +33,900 +18%
BlackRock
7
BlackRock
New York
$3.48M 176,372 +2,388 +1%
OAM
8
Oxford Asset Management
United Kingdom
$3.01M 153,044 +110,758 +262%
Neuberger Berman Group
9
Neuberger Berman Group
New York
$2.95M 149,445 -31,423 -17%
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$2.67M 135,293 +16,734 +14%
RA
11
Royce & Associates
New York
$1.42M 71,880 – –
Acadian Asset Management
12
Acadian Asset Management
Massachusetts
$1.22M 61,611 +38,019 +161%
SIM
13
Spark Investment Management
New York
$1.19M 60,100 +10,700 +22%
Two Sigma Investments
14
Two Sigma Investments
New York
$1.14M 57,911 +57,911 New
Deutsche Bank
15
Deutsche Bank
Germany
$1.14M 57,507 +57,504 +1,916,800%
California Public Employees Retirement System
16
California Public Employees Retirement System
California
$1.02M 51,532 +9,938 +24%
Wells Fargo
17
Wells Fargo
California
$877K 44,377 -35,618 -45%
EI
18
EAM Investors
California
$853K 43,196 +43,196 New
Geode Capital Management
19
Geode Capital Management
Massachusetts
$848K 42,987 -14,276 -25%
Millennium Management
20
Millennium Management
New York
$808K 40,894 +40,894 New
Barclays
21
Barclays
United Kingdom
$749K 37,884 +37,884 New
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$733K 37,135 +37,135 New
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$636K 32,184 +3,900 +14%
Northern Trust
24
Northern Trust
Illinois
$631K 31,983 +3,969 +14%
AIM
25
Alambic Investment Management
California
$622K 31,500 +31,500 New
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