IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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161 hedge funds and large institutions have $434M invested in ION Geophysical Corporation in 2014 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 57 increasing their positions, 38 reducing their positions, and 17 closing their positions.

Holders
161
Holders Change
+24
Holders Change %
+17.52%
% of All Funds
4.65%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
43
Increased
57
Reduced
38
Closed
17
Calls
$1.81M
Puts
$6.22M
Net Calls
-$4.41M
Net Calls Change
-$1.34M

Top Buyers

1
Allianz Asset Management
1
Allianz Asset Management
Germany
$8.51M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$36.7M
3
Invesco
3
Invesco
Georgia
$137M
4
BIM
4
Bogle Investment Management
Massachusetts
$3.86M
5
Morgan Stanley
5
Morgan Stanley
New York
$3.56M

Top Sellers

1
SDJVC
1
St. Denis J. Villere & Co
Louisiana
$1.2M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$342K
3
UBS AM
3
UBS AM
Illinois
$173K
4
TC
4
TFS Capital
Pennsylvania
$1.6M
5
Wells Fargo
5
Wells Fargo
California
$32.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
California Public Employees Retirement System
26
California Public Employees Retirement System
California
$2.02M +$351K +5,620 +21%
PAM
27
Panagora Asset Management
Massachusetts
$2.01M +$199K +3,145 +11%
Citadel Advisors
28
Citadel Advisors
Florida
$1.83M +$841K +13,312 +85%
New York State Teachers Retirement System (NYSTRS)
29
New York State Teachers Retirement System (NYSTRS)
New York
$1.75M -$13.9K -220 -0.8%
D.E. Shaw & Co
30
D.E. Shaw & Co
New York
$1.74M +$769K +12,181 +80%
TC
31
TFS Capital
Pennsylvania
$1.6M -$2.81M -44,515 -64%
Wellington Management Group
32
Wellington Management Group
Massachusetts
$1.5M – – –
Jacobs Levy Equity Management
33
Jacobs Levy Equity Management
New Jersey
$1.47M +$1.47M +23,207 New
Prudential Financial
34
Prudential Financial
New Jersey
$1.46M +$333K +5,267 +29%
DC
35
Deere & Company
Illinois
$1.4M +$1.4M +22,160 New
Fidelity Investments
36
Fidelity Investments
Massachusetts
$1.37M +$1.37M +21,667 New
Los Angeles Capital Management
37
Los Angeles Capital Management
California
$1.35M +$1.35M +21,447 New
Millennium Management
38
Millennium Management
New York
$1.27M +$341K +5,398 +37%
Goldman Sachs
39
Goldman Sachs
New York
$1.27M +$228K +3,610 +22%
TA
40
Teachers Advisors
New York
$1.21M +$345K +5,456 +40%
SDJVC
41
St. Denis J. Villere & Co
Louisiana
$1.2M -$42.2M -668,329 -97%
SONJCPFA
42
State of New Jersey Common Pension Fund A
New Jersey
$1.16M – – –
New York State Common Retirement Fund
43
New York State Common Retirement Fund
New York
$1.15M – – –
AQR Capital Management
44
AQR Capital Management
Connecticut
$1.13M +$1.13M +17,920 New
Two Sigma Investments
45
Two Sigma Investments
New York
$1.1M +$447K +7,083 +68%
Citigroup
46
Citigroup
New York
$1.1M +$748K +11,836 +210%
Public Sector Pension Investment Board (PSP Investments)
47
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$1.09M -$171K -2,707 -14%
California State Teachers Retirement System (CalSTRS)
48
California State Teachers Retirement System (CalSTRS)
California
$1.02M +$5.87K +93 +0.6%
PPA
49
Parametric Portfolio Associates
Washington
$1.01M +$26.8K +425 +3%
HCM
50
Highbridge Capital Management
New York
$1M +$613K +9,715 +158%
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