IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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88 hedge funds and large institutions have $45.4M invested in ION Geophysical Corporation in 2015 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 16 increasing their positions, 34 reducing their positions, and 41 closing their positions.

Holders
88
Holders Change
-29
Holders Change %
-24.79%
% of All Funds
2.31%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
16
Reduced
34
Closed
41
Calls
–
Puts
$1K
Net Calls
-$1K
Net Calls Change
+$3K

Top Buyers

1
Fuller & Thaler Asset Management
1
Fuller & Thaler Asset Management
California
$838K
2
Goldman Sachs
2
Goldman Sachs
New York
$942K
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.17M
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$433K
5
Millennium Management
5
Millennium Management
New York
$422K

Top Sellers

1
BFA
1
BlackRock Fund Advisors
California
$1.86M
2
Invesco
2
Invesco
Georgia
$14.3M
3
MCM
3
McKinley Capital Management
Alaska
$0
4
Bank of New York Mellon
4
Bank of New York Mellon
New York
$341K
5
Principal Financial Group
5
Principal Financial Group
Iowa
$10K
Name Market Value Shares Shares
Change 		Shares
Change %
State of New Jersey Common Pension Fund D
26
State of New Jersey Common Pension Fund D
New Jersey
$156K 310,000 – –
Two Sigma Investments
27
Two Sigma Investments
New York
$145K 288,955 +288,955 New
California State Teachers Retirement System (CalSTRS)
28
California State Teachers Retirement System (CalSTRS)
California
$132K 261,518 +4,726 +2%
Charles Schwab
29
Charles Schwab
California
$111K 220,300 – –
SO
30
STRS Ohio
Ohio
$111K 220,800 – –
TA
31
Teachers Advisors
New York
$104K 207,426 -80,357 -28%
RhumbLine Advisers
32
RhumbLine Advisers
Massachusetts
$104K 207,244 -12,830 -6%
HighTower Advisors
33
HighTower Advisors
Illinois
$101K 200,313 – –
NFA
34
Nationwide Fund Advisors
Ohio
$98K 194,245 +106,056 +120%
AllianceBernstein
35
AllianceBernstein
Tennessee
$95K 189,250 -9,040 -5%
Citadel Advisors
36
Citadel Advisors
Florida
$89K 176,104 -83,760 -32%
CS
37
Credit Suisse
Switzerland
$84K 165,313 -53,728 -25%
RFC
38
Russell Frank Company
Washington
$74K 149,409 +149,409 New
New York State Common Retirement Fund
39
New York State Common Retirement Fund
New York
$65K 129,200 – –
Two Sigma Advisers
40
Two Sigma Advisers
New York
$63K 124,668 +90,968 +270%
Los Angeles Capital Management
41
Los Angeles Capital Management
California
$62K 123,100 – –
VKH
42
Virtu KCG Holdings
New York
$59K 118,050 +44,928 +61%
State Board of Administration of Florida Retirement System
43
State Board of Administration of Florida Retirement System
Florida
$56K 112,084 +260 +0.2%
UBS Group
44
UBS Group
Switzerland
$55K 107,859 +72,859 +208%
VOYA Investment Management
45
VOYA Investment Management
Georgia
$43K 84,580 – –
AIG
46
American International Group
New York
$42K 82,640 -16,273 -16%
AQR Capital Management
47
AQR Capital Management
Connecticut
$35K 69,064 -284,328 -80%
Connor, Clark & Lunn Investment Management (CC&L)
48
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$33K 65,450 +65,450 New
BA
49
BlackRock Advisors
Delaware
$29K 58,377 -32,359 -36%
DCM
50
Driehaus Capital Management
Illinois
$28K 55,245 +55,245 New
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