IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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39 hedge funds and large institutions have $9.1M invested in ION Geophysical Corporation in 2020 Q2 according to their latest regulatory filings, with 9 funds opening new positions, 9 increasing their positions, 14 reducing their positions, and 12 closing their positions.

Holders
39
Holders Change
-3
Holders Change %
-7.14%
% of All Funds
0.8%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
9
Increased
9
Reduced
14
Closed
12
Calls
$105K
Puts
$55K
Net Calls
+$50K
Net Calls Change
+$43K

Top Buyers

1
Assenagon Asset Management
1
Assenagon Asset Management
Luxembourg
$431K
2
Citadel Advisors
2
Citadel Advisors
Florida
$100K
3
Millennium Management
3
Millennium Management
New York
$72K
4
SFI
4
Susquehanna Fundamental Investments
Pennsylvania
$62K
5
Squarepoint
5
Squarepoint
New York
$56K

Top Sellers

1
GCM
1
Gates Capital Management
New York
$0
2
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$846K
3
GCP
3
GSA Capital Partners
United Kingdom
$0
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$86K
5
RA
5
Royce & Associates
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Citigroup
26
Citigroup
New York
$38K 16,371 -30,000 -65%
VF
27
Virtu Financial
New York
$33K 13,923 +13,923 New
California Public Employees Retirement System
28
California Public Employees Retirement System
California
$32K 13,866 – –
DCM
29
Dupont Capital Management
Delaware
$16K 6,683 – –
UBS Group
30
UBS Group
Switzerland
$15K 6,640 +1,333 +25%
MAM
31
Meeder Asset Management
Ohio
$5K 2,321 – –
Royal Bank of Canada
32
Royal Bank of Canada
Ontario, Canada
$5K 2,033 +680 +50%
Group One Trading
33
Group One Trading
Illinois
$2K 708 -5,853 -89%
JPMorgan Chase & Co
34
JPMorgan Chase & Co
New York
$2K 914 +914 New
BFEC
35
Benjamin F. Edwards & Company
Missouri
$2K 1,000 +1,000 New
GCM
36
Gates Capital Management
New York
– – -300,219 Closed
GCP
37
GSA Capital Partners
United Kingdom
– – -162,947 Closed
RA
38
Royce & Associates
New York
– – -84,061 Closed
Two Sigma Investments
39
Two Sigma Investments
New York
– – -30,203 Closed
SIM
40
Spark Investment Management
New York
– – -25,160 Closed
Qube Research & Technologies (QRT)
41
Qube Research & Technologies (QRT)
United Kingdom
– – -17,560 Closed
Wolverine Trading
42
Wolverine Trading
Illinois
– – -12,414 Closed
Simplex Trading
43
Simplex Trading
Illinois
– – -8,060 Closed
Victory Capital Management
44
Victory Capital Management
Texas
– – -4,042 Closed
Osaic Holdings
45
Osaic Holdings
Arizona
$0 29 -66 -69%
Bank of Montreal
46
Bank of Montreal
Ontario, Canada
– – -26 Closed
ASN
47
Advisory Services Network
Georgia
– – -25 Closed
BNP Paribas Financial Markets
48
BNP Paribas Financial Markets
France
– – -8 Closed
CFGS
49
Concourse Financial Group Securities
Alabama
– – – –
BFC
50
Bedel Financial Consulting
Indiana
$0 6 – –
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