IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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39 hedge funds and large institutions have $9.1M invested in ION Geophysical Corporation in 2020 Q2 according to their latest regulatory filings, with 9 funds opening new positions, 9 increasing their positions, 14 reducing their positions, and 12 closing their positions.

Holders
39
Holders Change
-3
Holders Change %
-7.14%
% of All Funds
0.8%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
9
Increased
9
Reduced
14
Closed
12
Calls
$105K
Puts
$55K
Net Calls
+$50K
Net Calls Change
+$43K

Top Buyers

1
Assenagon Asset Management
1
Assenagon Asset Management
Luxembourg
$431K
2
Citadel Advisors
2
Citadel Advisors
Florida
$100K
3
Millennium Management
3
Millennium Management
New York
$72K
4
SFI
4
Susquehanna Fundamental Investments
Pennsylvania
$62K
5
Squarepoint
5
Squarepoint
New York
$56K

Top Sellers

1
GCM
1
Gates Capital Management
New York
$0
2
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$846K
3
GCP
3
GSA Capital Partners
United Kingdom
$0
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$86K
5
RA
5
Royce & Associates
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Renaissance Technologies
1
Renaissance Technologies
New York
$2.51M 1,073,367 -24,030 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.11M 475,270 -12,891 -3%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$846K 361,373 -140,506 -28%
Deutsche Bank
4
Deutsche Bank
Germany
$759K 324,313 – –
Neuberger Berman Group
5
Neuberger Berman Group
New York
$706K 301,650 -23,059 -7%
BlackRock
6
BlackRock
New York
$472K 201,756 +18,192 +10%
Acadian Asset Management
7
Acadian Asset Management
Massachusetts
$456K 194,798 +18,397 +10%
Assenagon Asset Management
8
Assenagon Asset Management
Luxembourg
$431K 184,100 +184,100 New
BCM
9
Bridgeway Capital Management
Texas
$318K 135,900 +15,534 +13%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$190K 81,296 – –
RJFSA
11
Raymond James Financial Services Advisors
Florida
$117K 50,180 +5,000 +11%
Morgan Stanley
12
Morgan Stanley
New York
$111K 47,433 -1,874 -4%
Citadel Advisors
13
Citadel Advisors
Florida
$100K 42,818 +42,818 New
Jacobs Levy Equity Management
14
Jacobs Levy Equity Management
New Jersey
$86K 36,768 -86,181 -70%
Northern Trust
15
Northern Trust
Illinois
$86K 36,714 -825 -2%
Two Sigma Advisers
16
Two Sigma Advisers
New York
$77K 33,113 -19,100 -37%
Arrowstreet Capital
17
Arrowstreet Capital
Massachusetts
$73K 31,189 +13,100 +72%
Millennium Management
18
Millennium Management
New York
$72K 30,763 +30,763 New
Goldman Sachs
19
Goldman Sachs
New York
$71K 30,450 +18,420 +153%
Susquehanna International Group
20
Susquehanna International Group
Pennsylvania
$70K 29,741 +13,288 +81%
SFI
21
Susquehanna Fundamental Investments
Pennsylvania
$62K 26,600 +26,600 New
Wells Fargo
22
Wells Fargo
California
$59K 25,214 -15,464 -38%
Invesco
23
Invesco
Georgia
$56K 24,237 -23,370 -49%
Bank of New York Mellon
24
Bank of New York Mellon
New York
$56K 23,844 -2,144 -8%
Squarepoint
25
Squarepoint
New York
$56K 23,855 +23,855 New
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