IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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69 hedge funds and large institutions have $94.4M invested in ION Geophysical Corporation in 2019 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 20 increasing their positions, 16 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
69
Holders Change
+5
Holders Change %
+7.81%
% of All Funds
1.5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
16
Increased
20
Reduced
16
Closed
11
Calls
$6.34M
Puts
$330K
Net Calls
+$6.01M
Net Calls Change
+$5.92M

Top Buyers

1
Deutsche Bank
1
Deutsche Bank
Germany
$7.78M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$7.04M
3
Group One Trading
3
Group One Trading
Illinois
$568K
4
Neuberger Berman Group
4
Neuberger Berman Group
New York
$6.59M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$6.78M

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$10.2M
2
GCM
2
Gates Capital Management
New York
$14.8M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$37K
4
AQR Capital Management
4
AQR Capital Management
Connecticut
$150K
5
BCM
5
Bridgeway Capital Management
Texas
$1.88M
Name Holding Trade Value Shares
Change 		Shares
Change %
Legal & General Group
51
Legal & General Group
United Kingdom
$23K – – –
PNC Financial Services Group
52
PNC Financial Services Group
Pennsylvania
$22K +$22K +1,528 New
MWNA
53
Marshall Wace North America
New York
$16K +$16K +1,096 New
AIP
54
Ameritas Investment Partners
Nebraska
$14K – – –
CG
55
Cutler Group
California
$14K – – –
Twin Tree Management
56
Twin Tree Management
Texas
$8K +$8K +536 New
MAM
57
Meeder Asset Management
Ohio
$6K +$6K +388 New
Royal Bank of Canada
58
Royal Bank of Canada
Ontario, Canada
$5K +$463 +34 +10%
QT
59
Quantamental Technologies
New York
$4K +$4K +305 New
LTFS
60
Ladenburg Thalmann Financial Services
Florida
$2K +$119 +8 +6%
CAM
61
Cresset Asset Management
Illinois
$1K – – –
KPW
62
Kore Private Wealth
New York
$1K – – –
PCMK
63
Paragon Capital Management (Kansas)
Kansas
$1K +$1K +44 New
Russell Investments Group
64
Russell Investments Group
United Kingdom
– -$200K -38,652 Closed
Millennium Management
65
Millennium Management
New York
– -$132K -25,388 Closed
NJBEST
66
New Jersey Better Educational Savings Trust
New Jersey
– -$114K -22,000 Closed
ARTA
67
A.R.T. Advisors
New York
– -$90K -17,445 Closed
Walleye Trading
68
Walleye Trading
New York
– -$89K -17,186 Closed
Axa
69
Axa
France
– -$70K -13,500 Closed
CSS
70
Cubist Systematic Strategies
Connecticut
– -$51K -9,858 Closed
TRCT
71
Tower Research Capital (TRC)
New York
– -$20K -3,817 Closed
Federated Hermes
72
Federated Hermes
Pennsylvania
– -$13K -2,455 Closed
PHK
73
Point72 Hong Kong
Hong Kong
– -$10K -1,893 Closed
Bank of Montreal
74
Bank of Montreal
Ontario, Canada
– -$1K -147 Closed
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