IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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73 hedge funds and large institutions have $199M invested in ION Geophysical Corporation in 2018 Q1 according to their latest regulatory filings, with 29 funds opening new positions, 21 increasing their positions, 18 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
73
Holders Change
+25
Holders Change %
+52.08%
% of All Funds
1.68%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
29
Increased
21
Reduced
18
Closed
4
Calls
$6.14M
Puts
$1.65M
Net Calls
+$4.5M
Net Calls Change
+$1.68M

Top Buyers

1
Renaissance Technologies
Renaissance Technologies
New York
$30.3M
2
HRCM
Hood River Capital Management
Florida
$10.2M
3
GCM
Gates Capital Management
New York
$23.4M
4
MWNA
Marshall Wace North America
New York
$8.44M
5
Millennium Management
Millennium Management
New York
$8.38M

Top Sellers

1
Invesco
Invesco
Georgia
$21.9M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.63M
3
California Public Employees Retirement System
California Public Employees Retirement System
California
$376K
4
OAM
Oxford Asset Management
United Kingdom
$3.49M
5
EI
EAM Investors
California
$586K
Name Holding Trade Value Shares
Change 		Shares
Change %
GC
51
Guggenheim Capital
Illinois
$259K +$259K +9,543 New
DTL
52
Dynamic Technology Lab
Singapore
$207K +$207K +7,655 New
DCM
53
Dupont Capital Management
Delaware
$181K -$205K -7,583 -53%
PCM
54
Prelude Capital Management
New York
$148K +$137K +5,077 +1,269%
Bank of America
55
Bank of America
North Carolina
$86K +$35.7K +1,325 +71%
UBS Group
56
UBS Group
Switzerland
$80K -$38.7K -1,436 -33%
Group One Trading
57
Group One Trading
Illinois
$56K +$56K +2,068 New
QT
58
Quantbot Technologies
New York
$24K +$24K +911 New
SEI Investments
59
SEI Investments
Pennsylvania
$18K -$3.01K -109 -14%
BFEC
60
Benjamin F. Edwards & Company
Missouri
$14K +$14K +500 New
AG
61
Advisor Group
Arizona
$11K +$10.6K +394 +2,463%
Royal Bank of Canada
62
Royal Bank of Canada
Ontario, Canada
$9K – – –
CG
63
Cutler Group
California
$9K +$9K +361 New
Manulife (Manufacturers Life Insurance)
64
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$7K -$8.9K -333 -56%
LTFS
65
Ladenburg Thalmann Financial Services
Florida
$7K – – –
BNP Paribas Financial Markets
66
BNP Paribas Financial Markets
France
$4.58K +$4.58K +169 New
Federated Hermes
67
Federated Hermes
Pennsylvania
$4K +$4K +142 New
Citigroup
68
Citigroup
New York
$4K +$4K +152 New
WAM
69
Wealthspire Advisors (Maryland)
Maryland
$2K -$923 -30 -32%
ASN
70
Advisory Services Network
Georgia
$1K – – –
SBL
71
Sargent Bickham Lagudis
Colorado
$1K +$1K +32 New
Jane Street
72
Jane Street
New York
– -$203K -10,301 Closed
Simplex Trading
73
Simplex Trading
Illinois
– -$27K -1,411 Closed
TRCT
74
Tower Research Capital (TRC)
New York
– -$12K -632 Closed
DCM
75
Delpha Capital Management
New York
– -$6K -302 Closed
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