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Ion Geophysical Corp

IODelisted Jun 3, 2022
Industry
Oil & Gas Field Exploration Services
SEC CIK
0000866609

Ion Geophysical Corp was delisted on Jun 3, 2022; its insiders filed their last Form 4 on Jul 29, 2022; 30 institutions reported holding it in 13F filings for Q1 2022, worth $4.53M in total; no superinvestor held it.

Q4 2021 vs. Q3 2021

How the institutions holding Ion Geophysical Corp changed between Q3 2021 and Q4 2021.

All holders in Q4 2021All holders in Q3 2021

13F holders of IO: Q3 2021 compared with Q4 2021
MeasureQ3 2021Q4 2021Change
Holders3537+2
Shares5.42M4.90M−526.7K (−9.7%)
Value$7.21M$4.31M−$2.90M (−40.3%)

New holders (12)

Institutions that held Ion Geophysical Corp at the end of Q4 2021 but not at the end of Q3 2021.

Institutions new to IO in Q4 2021
InstitutionSharesValue% of portfolio
Bridgeway Capital Management, LLC92,400$81.0K0.00%
Goldman Sachs Group Inc78,603$69.0K0.00%
Summit Financial Wealth Advisors, LLC19,800$20.0K0.00%
Engineers Gate Manager LP14,782$13.0K0.00%
Sanders Morris Harris LLC14,100$12.0K0.00%
Quadrature Capital Ltd11,204$10.0K0.00%
Jane Street Group, LLC10,150$9.00K0.00%
National Bank of Canada1,380$1.00K0.00%
Bank of America Corp51$00.00%
Chilton Capital Management LLC66$00.00%
Castle Financial & Retirement Planning Associates, Inc.8$00.00%
Annapolis Financial Services, LLC25$00.00%

Sold out (10)

Institutions that held Ion Geophysical Corp at the end of Q3 2021 and filed for Q4 2021 without it.

Institutions that sold out of IO in Q4 2021
InstitutionShares, Q3 2021Value, Q3 2021
Susquehanna International Group, LLP150,040$200.0K
Arlington Capital Management, Inc.132,080$176.0K
Citadel Advisors LLC68,255$91.0K
Group One Trading, L.P.63,148$84.0K
Caption Management, LLC25,549$34.0K
SeaCrest Wealth Management, LLC25,000$33.0K
Renaissance Technologies LLC20,192$27.0K
Simplex Trading, LLC4,792$10.0K
Meeder Asset Management Inc2,321$3.00K
Harbour Investments, Inc.33$0