IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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64 hedge funds and large institutions have $34.7M invested in ION Geophysical Corporation in 2018 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 19 increasing their positions, 20 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
64
Holders Change
-5
Holders Change %
-7.25%
% of All Funds
1.43%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
19
Reduced
20
Closed
18
Calls
$97K
Puts
–
Net Calls
+$97K
Net Calls Change
-$508K

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$705K
2
Citigroup
2
Citigroup
New York
$204K
3
Millennium Management
3
Millennium Management
New York
$132K
4
ARTA
4
A.R.T. Advisors
New York
$90K
5
Walleye Trading
5
Walleye Trading
New York
$89K

Top Sellers

1
SFM
1
Systematic Financial Management
New Jersey
$0
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.47M
3
GCP
3
GSA Capital Partners
United Kingdom
$0
4
Public Sector Pension Investment Board (PSP Investments)
4
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$0
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$467K
Name Holding Trade Value Shares
Change 		Shares
Change %
Millennium Management
26
Millennium Management
New York
$132K +$132K +25,388 New
NJBEST
27
New Jersey Better Educational Savings Trust
New Jersey
$114K +$31.1K +6,000 +38%
TCIM
28
TIAA CREF Investment Management
New York
$111K – – –
Charles Schwab
29
Charles Schwab
California
$103K -$191K -36,675 -65%
Morgan Stanley
30
Morgan Stanley
New York
$100K -$4.44K -850 -4%
PPA
31
Parametric Portfolio Associates
Washington
$91K +$13.8K +2,677 +18%
ARTA
32
A.R.T. Advisors
New York
$90K +$90K +17,445 New
Walleye Trading
33
Walleye Trading
New York
$89K +$89K +17,186 New
EGM
34
Engineers Gate Manager
New York
$85K +$85K +16,334 New
PP
35
PDT Partners
New York
$84K – – –
California State Teachers Retirement System (CalSTRS)
36
California State Teachers Retirement System (CalSTRS)
California
$84K – – –
RhumbLine Advisers
37
RhumbLine Advisers
Massachusetts
$75K +$75K +14,506 New
California Public Employees Retirement System
38
California Public Employees Retirement System
California
$72K – – –
Axa
39
Axa
France
$70K -$41.5K -8,000 -37%
New York State Common Retirement Fund
40
New York State Common Retirement Fund
New York
$61K – – –
CSS
41
Cubist Systematic Strategies
Connecticut
$51K +$51K +9,858 New
Bank of America
42
Bank of America
North Carolina
$37K +$13.4K +2,544 +57%
AIG
43
American International Group
New York
$36K -$278 -54 -0.8%
DCM
44
Dupont Capital Management
Delaware
$35K – – –
UBS Group
45
UBS Group
Switzerland
$34K -$1.12K -217 -3%
TRCT
46
Tower Research Capital (TRC)
New York
$20K +$19.3K +3,679 +2,666%
Federated Hermes
47
Federated Hermes
Pennsylvania
$13K +$12.1K +2,289 +1,379%
PHK
48
Point72 Hong Kong
Hong Kong
$10K +$10K +1,893 New
Legal & General Group
49
Legal & General Group
United Kingdom
$8K – – –
AIP
50
Ameritas Investment Partners
Nebraska
$5K – – –
1
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3