IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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38 hedge funds and large institutions have $5.17M invested in ION Geophysical Corporation in 2020 Q3 according to their latest regulatory filings, with 6 funds opening new positions, 6 increasing their positions, 13 reducing their positions, and 7 closing their positions.

Holders
38
Holders Change
-1
Holders Change %
-2.56%
% of All Funds
0.77%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
6
Reduced
13
Closed
7
Calls
$57K
Puts
$15K
Net Calls
+$42K
Net Calls Change
-$8K

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$316K
2
Squarepoint
2
Squarepoint
New York
$119K
3
FMII
3
Farmers & Merchants Investments Inc
Nebraska
$43K
4
GCP
4
GSA Capital Partners
United Kingdom
$33K
5
Invesco
5
Invesco
Georgia
$60K

Top Sellers

1
Assenagon Asset Management
1
Assenagon Asset Management
Luxembourg
$0
2
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$251K
3
Citadel Advisors
3
Citadel Advisors
Florida
$0
4
BCM
4
Bridgeway Capital Management
Texas
$116K
5
Jacobs Levy Equity Management
5
Jacobs Levy Equity Management
New Jersey
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Renaissance Technologies
1
Renaissance Technologies
New York
$1.57M 1,049,467 -23,900 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$682K 454,296 -20,974 -4%
Deutsche Bank
3
Deutsche Bank
Germany
$450K 300,000 -24,313 -7%
Neuberger Berman Group
4
Neuberger Berman Group
New York
$438K 292,350 -9,300 -3%
Morgan Stanley
5
Morgan Stanley
New York
$316K 210,566 +163,133 +344%
Acadian Asset Management
6
Acadian Asset Management
Massachusetts
$294K 195,799 +1,001 +0.5%
BlackRock
7
BlackRock
New York
$289K 192,346 -9,410 -5%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$251K 167,658 -193,715 -54%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$121K 81,296 – –
Squarepoint
10
Squarepoint
New York
$119K 79,391 +55,536 +233%
BCM
11
Bridgeway Capital Management
Texas
$116K 77,400 -58,500 -43%
RJFSA
12
Raymond James Financial Services Advisors
Florida
$75K 50,180 – –
Northern Trust
13
Northern Trust
Illinois
$64K 42,546 +5,832 +16%
Invesco
14
Invesco
Georgia
$60K 40,277 +16,040 +66%
FMII
15
Farmers & Merchants Investments Inc
Nebraska
$43K 28,763 +28,763 New
SFI
16
Susquehanna Fundamental Investments
Pennsylvania
$40K 26,600 – –
Bank of New York Mellon
17
Bank of New York Mellon
New York
$36K 23,844 – –
Wells Fargo
18
Wells Fargo
California
$34K 23,063 -2,151 -9%
GCP
19
GSA Capital Partners
United Kingdom
$33K 21,994 +21,994 New
Arrowstreet Capital
20
Arrowstreet Capital
Massachusetts
$27K 18,089 -13,100 -42%
Citigroup
21
Citigroup
New York
$25K 16,371 – –
California Public Employees Retirement System
22
California Public Employees Retirement System
California
$21K 13,866 – –
Susquehanna International Group
23
Susquehanna International Group
Pennsylvania
$16K 10,893 -18,848 -63%
Group One Trading
24
Group One Trading
Illinois
$11K 7,170 +6,462 +913%
DCM
25
Dupont Capital Management
Delaware
$10K 6,683 – –
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