IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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122 hedge funds and large institutions have $103M invested in ION Geophysical Corporation in 2015 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 46 increasing their positions, 36 reducing their positions, and 24 closing their positions.

Holders
122
Holders Change
-13
Holders Change %
-9.63%
% of All Funds
3.29%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
11
Increased
46
Reduced
36
Closed
24
Calls
$16K
Puts
$53K
Net Calls
-$37K
Net Calls Change
+$86K

Top Buyers

1
MCM
1
McKinley Capital Management
Alaska
$1.31M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$2.63M
3
SCM
3
Sterling Capital Management
North Carolina
$617K
4
Millennium Management
4
Millennium Management
New York
$546K
5
Neuberger Berman Group
5
Neuberger Berman Group
New York
$3.46M

Top Sellers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$7.12M
2
First Trust Advisors
2
First Trust Advisors
Illinois
$0
3
OAM
3
Oxford Asset Management
United Kingdom
$0
4
Charles Schwab
4
Charles Schwab
California
$877K
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$939K
Name Market Value Shares Shares
Change 		Shares
Change %
SCM
26
Sterling Capital Management
North Carolina
$617K 38,469 +38,469 New
BIM
27
BlackRock Investment Management
Delaware
$609K 37,915 +6,590 +21%
California Public Employees Retirement System
28
California Public Employees Retirement System
California
$597K 37,220 – –
Millennium Management
29
Millennium Management
New York
$546K 34,028 +25,674 +307%
PPA
30
Parametric Portfolio Associates
Washington
$516K 32,170 -1,879 -6%
New York State Teachers Retirement System (NYSTRS)
31
New York State Teachers Retirement System (NYSTRS)
New York
$434K 27,039 -633 -2%
State of New Jersey Common Pension Fund D
32
State of New Jersey Common Pension Fund D
New Jersey
$332K 20,667 – –
Goldman Sachs
33
Goldman Sachs
New York
$328K 20,450 -1,472 -7%
New York State Common Retirement Fund
34
New York State Common Retirement Fund
New York
$310K 19,341 +2,277 +13%
TA
35
Teachers Advisors
New York
$308K 19,186 +1,114 +6%
Prudential Financial
36
Prudential Financial
New Jersey
$305K 18,980 +53 +0.3%
California State Teachers Retirement System (CalSTRS)
37
California State Teachers Retirement System (CalSTRS)
California
$276K 17,179 +1,520 +10%
Comerica Bank
38
Comerica Bank
Texas
$276K 17,222 +8,820 +105%
TC
39
TFS Capital
Pennsylvania
$247K 15,394 +6,533 +74%
SO
40
STRS Ohio
Ohio
$236K 14,720 +1,040 +8%
RhumbLine Advisers
41
RhumbLine Advisers
Massachusetts
$225K 14,040 +331 +2%
OA
42
OFI Advisors
Pennsylvania
$216K 13,446 +4,843 +56%
Public Sector Pension Investment Board (PSP Investments)
43
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$213K 13,278 -2,833 -18%
AllianceBernstein
44
AllianceBernstein
Tennessee
$213K 13,240 – –
BG
45
BlackRock Group
United Kingdom
$213K 13,253 +1,898 +17%
Wellington Management Group
46
Wellington Management Group
Massachusetts
$212K 13,224 – –
AQR Capital Management
47
AQR Capital Management
Connecticut
$211K 13,182 -3,195 -20%
SIM
48
Spark Investment Management
New York
$209K 13,073 +13,073 New
BCM
49
Bridgeway Capital Management
Texas
$203K 12,667 -6,666 -34%
VIA
50
Vident Investment Advisory
Georgia
$184K 11,435 +422 +4%
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