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 %
Morgan Stanley
26
Morgan Stanley
New York
$1.29M +$835K +30,820 +185%
Two Sigma Investments
27
Two Sigma Investments
New York
$1.28M -$286K -10,536 -18%
CAM
28
ClariVest Asset Management
California
$1.08M +$1.08M +40,005 New
Wells Fargo
29
Wells Fargo
California
$1.07M -$129K -4,776 -11%
Northern Trust
30
Northern Trust
Illinois
$1.05M +$180K +6,625 +21%
RJFSA
31
Raymond James Financial Services Advisors
Florida
$975K +$542K +20,000 +125%
Jacobs Levy Equity Management
32
Jacobs Levy Equity Management
New Jersey
$929K +$56.9K +2,100 +7%
EMG
33
Ellington Management Group
Connecticut
$827K +$827K +30,500 New
OAM
34
Oberweis Asset Management
Illinois
$819K +$819K +30,225 New
CIC
35
Cornercap Investment Counsel
Georgia
$793K +$793K +29,260 New
Macquarie Group
36
Macquarie Group
Australia
$716K +$336K +12,400 +88%
Citadel Advisors
37
Citadel Advisors
Florida
$671K +$671K +24,780 New
TEE
38
Tibra Equities Europe
United Kingdom
$627K +$627K +23,142 New
Barclays
39
Barclays
United Kingdom
$616K -$411K -15,169 -40%
Bank of New York Mellon
40
Bank of New York Mellon
New York
$588K -$812 -30 -0.1%
EI
41
EAM Investors
California
$586K -$585K -21,587 -50%
Two Sigma Advisers
42
Two Sigma Advisers
New York
$517K +$517K +19,078 New
Axa
43
Axa
France
$488K -$111K -4,100 -19%
ECM
44
Element Capital Management
New York
$446K +$446K +16,459 New
Allianz Asset Management
45
Allianz Asset Management
Germany
$418K +$418K +15,440 New
ARTA
46
A.R.T. Advisors
New York
$377K +$377K +13,943 New
California Public Employees Retirement System
47
California Public Employees Retirement System
California
$376K -$1.02M -37,666 -73%
State Street
48
State Street
Massachusetts
$364K +$364K +13,412 New
TI
49
Trexquant Investment
Connecticut
$355K -$57.1K -2,105 -14%
BIM
50
Bogle Investment Management
Massachusetts
$347K +$347K +12,806 New
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