IO

ION Geophysical Corporation

Delisted

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

36 hedge funds and large institutions have $7.13M invested in ION Geophysical Corporation in 2020 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 7 increasing their positions, 15 reducing their positions, and 6 closing their positions.

Holders
36
Holders Change
-2
Holders Change %
-5.26%
% of All Funds
0.64%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
4
Increased
7
Reduced
15
Closed
6
Calls
$226K
Puts
$4K
Net Calls
+$222K
Net Calls Change
+$180K
Name Market Value Shares Shares
Change
Shares
Change %
Renaissance Technologies
1
Renaissance Technologies
New York
$2.44M 1,004,267 -45,200 -4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.1M 454,240 -56 -0%
Deutsche Bank
3
Deutsche Bank
Germany
$729K 300,000
Neuberger Berman Group
4
Neuberger Berman Group
New York
$690K 284,018 -8,332 -3%
BlackRock
5
BlackRock
New York
$505K 207,861 +15,515 +8%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$197K 81,296
Acadian Asset Management
7
Acadian Asset Management
Massachusetts
$193K 79,526 -116,273 -59%
BCM
8
Bridgeway Capital Management
Texas
$188K 77,400
GCP
9
GSA Capital Partners
United Kingdom
$132K 54,182 +32,188 +146%
RJFSA
10
Raymond James Financial Services Advisors
Florida
$121K 49,970 -210 -0.4%
Susquehanna International Group
11
Susquehanna International Group
Pennsylvania
$116K 47,558 +36,665 +337%
Invesco
12
Invesco
Georgia
$94K 38,624 -1,653 -4%
Northern Trust
13
Northern Trust
Illinois
$83K 34,337 -8,209 -19%
Millennium Management
14
Millennium Management
New York
$80K 33,000 +9,278 +39%
Wells Fargo
15
Wells Fargo
California
$74K 30,482 +7,419 +32%
Squarepoint
16
Squarepoint
New York
$65K 26,717 -52,674 -66%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$56K 23,057 -787 -3%
FMII
18
Farmers & Merchants Investments Inc
Nebraska
$50K 20,763 -8,000 -28%
SFI
19
Susquehanna Fundamental Investments
Pennsylvania
$43K 17,876 -8,724 -33%
California Public Employees Retirement System
20
California Public Employees Retirement System
California
$34K 13,866
SSA
21
Schonfeld Strategic Advisors
New York
$34K 14,000 +14,000 New
Citadel Advisors
22
Citadel Advisors
Florida
$31K 12,657 +12,657 New
SWM
23
SeaCrest Wealth Management
New York
$24K 10,000 +10,000 New
DCM
24
Dupont Capital Management
Delaware
$16K 6,683
UBS Group
25
UBS Group
Switzerland
$14K 5,801 +494 +9%