IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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40 hedge funds and large institutions have $18.9M invested in ION Geophysical Corporation in 2021 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 7 increasing their positions, 10 reducing their positions, and 9 closing their positions.

Holders
40
Holders Change
+2
Holders Change %
+5.26%
% of All Funds
0.7%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
11
Increased
7
Reduced
10
Closed
9
Calls
$1.85M
Puts
$210K
Net Calls
+$1.64M
Net Calls Change
+$347K

Top Buyers

1
GCM
1
Gates Capital Management
New York
$9.85M
2
UFM
2
Ursa Fund Management
California
$2.2M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.77M
4
CM
4
Caption Management
Oklahoma
$181K
5
DCM
5
Dupont Capital Management
Delaware
$135K

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$831K
2
Morgan Stanley
2
Morgan Stanley
New York
$488K
3
Millennium Management
3
Millennium Management
New York
$169K
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$176K
5
FMII
5
Farmers & Merchants Investments Inc
Nebraska
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Citadel Advisors
26
Citadel Advisors
Florida
$25K 11,540 +11,540 New
UBS Group
27
UBS Group
Switzerland
$11K 5,174 -951 -16%
Simplex Trading
28
Simplex Trading
Illinois
$10K 4,792 +4,792 New
MAM
29
Meeder Asset Management
Ohio
$5K 2,321 – –
JPMorgan Chase & Co
30
JPMorgan Chase & Co
New York
$2K 1,146 -159 -12%
Royal Bank of Canada
31
Royal Bank of Canada
Ontario, Canada
$2K 636 -69 -10%
YAL
32
Your Advocates Ltd
Texas
$2K 1,000 +1,000 New
FMII
33
Farmers & Merchants Investments Inc
Nebraska
– – -20,763 Closed
VF
34
Virtu Financial
New York
– – -17,811 Closed
SFI
35
Susquehanna Fundamental Investments
Pennsylvania
– – -13,896 Closed
California Public Employees Retirement System
36
California Public Employees Retirement System
California
– – -13,866 Closed
TRCT
37
Tower Research Capital (TRC)
New York
– – -9,833 Closed
CG
38
Cutler Group
California
– – -3,471 Closed
WCM
39
Wealthcare Capital Management
Virginia
– – -498 Closed
Acadian Asset Management
40
Acadian Asset Management
Massachusetts
– – -463 Closed
Fidelity Investments
41
Fidelity Investments
Massachusetts
– – -1 Closed
WAM
42
Wolverine Asset Management
Illinois
$0 360 – –
Group One Trading
43
Group One Trading
Illinois
– – – –
HT
44
HAP Trading
New York
– – – –
CAPTRUST Financial Advisors
45
CAPTRUST Financial Advisors
North Carolina
$0 15 – –
CCC
46
Crescent Capital Consulting
Louisiana
$0 66 – –
Osaic Holdings
47
Osaic Holdings
Arizona
$0 29 – –
BFC
48
Bedel Financial Consulting
Indiana
$0 6 – –
SM
49
Sabby Management
Florida
– – – –
CFGS
50
Concourse Financial Group Securities
Alabama
– – – –
1
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3