ION GEOPHYSICAL CORP - 462044207

Detailed investor-level table based on 13F positions.
Early Q2 2025 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q1 2022 · Compare: Q4 2021
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Gates Capital Management, Inc. History No change 2,672,096 2,330 0.07% 0.07% 1 0 0.0% Q1 2022 May 16, 2022
VANGUARD GROUP INC History Added to 1,009,992 881 0.0% 0.0% 2 +99,682 10.95% Q1 2022 May 13, 2022
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 276,600 240 0.0% 0.0% 3 +20,600 8.05% Q1 2022 May 16, 2022
Neuberger Berman Group LLC History Reduced 245,442 214 0.0% 0.0% 4 -4,943 -1.97% Q1 2022 May 23, 2022
RENAISSANCE TECHNOLOGIES LLC History New 232,053 202 0.0% 5 +232,053 New Q1 2022 May 13, 2022
GEODE CAPITAL MANAGEMENT, LLC History No change 193,457 168 0.0% 0.0% 6 0 0.0% Q1 2022 May 13, 2022
CITADEL ADVISORS LLC History Added to 128,099 112 0.0% 0.0% 7 +75,999 145.87% Q1 2022 May 16, 2022
Bank of New York Mellon Corp History Added to 91,992 80 0.0% 0.0% 8 +87,462 1930.73% Q1 2022 May 11, 2022
GROUP ONE TRADING, L.P. History New 89,646 78 0.0% 9 +89,646 New Q1 2022 May 12, 2022
MILLENNIUM MANAGEMENT LLC History Added to 78,597 69 0.0% 0.0% 10 +51,269 187.61% Q1 2022 May 16, 2022
STATE STREET CORP History No change 59,010 51 0.0% 0.0% 11 0 0.0% Q1 2022 May 16, 2022
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Reduced 57,400 50 0.0% 0.0% 12 -35,000 -37.88% Q1 2022 May 16, 2022
NORTHERN TRUST CORP History Reduced 52,813 46 0.0% 0.0% 13 -1,209 -2.24% Q1 2022 May 13, 2022
UBS Group AG History Added to 32,495 28 0.0% 0.0% 14 +27,321 528.04% Q1 2022 May 16, 2022
GOLDMAN SACHS GROUP INC History Reduced 23,337 20 0.0% 0.0% 15 -55,266 -70.31% Q1 2022 May 16, 2022
ADVISOR GROUP HOLDINGS, INC. History Added to 16,029 14 0.0% 16 +16,000 55172.41% Q1 2022 May 04, 2022
JANE STREET GROUP, LLC History Reduced 10,142 9 0.0% 0.0% 17 -8 -0.08% Q1 2022 May 17, 2022
MORGAN STANLEY History Added to 9,450 8 0.0% 0.0% 18 +898 10.5% Q1 2022 Oct 27, 2022
Tower Research Capital LLC (TRC) History Added to 8,254 7 0.0% 0.0% 19 +5,232 173.13% Q1 2022 May 12, 2022
WELLS FARGO & COMPANY/MN History Added to 2,265 2 0.0% 20 +1,950 619.05% Q1 2022 May 16, 2022
NATIONAL BANK OF CANADA /FI/ History No change 1,380 1 0.0% 0.0% 21 0 0.0% Q1 2022 May 05, 2022
Squarepoint Ops LLC History Closed out 0 0 0.0% -37,170 -100.0% Q4 2021 Feb 14, 2022
Engineers Gate Manager LP History Closed out 0 0 0.0% -14,782 -100.0% Q4 2021 Feb 14, 2022
Quadrature Capital Ltd History Closed out 0 0 0.02% -11,204 -100.0% Q4 2021 Apr 09, 2024
JPMORGAN CHASE & CO History Reduced 548 0 0.0% -8,982 -94.25% Q1 2022 May 11, 2022
WOLVERINE ASSET MANAGEMENT LLC History Closed out 0 0 -360 -100.0% Q4 2021 Feb 09, 2022
BANK OF AMERICA CORP /DE/ History Closed out 0 0 -51 -100.0% Q4 2021 Feb 08, 2022