Ion Geophysical Corp

IODelisted Jun 3, 2022

Industry: Oil & Gas Field Exploration Services
SEC CIK: 0000866609

SEC filings (opens in a new tab)

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.

Q2 2021 vs. Q1 2021

How the institutions holding Ion Geophysical Corp changed between Q1 2021 and Q2 2021.

All holders in Q2 2021 All holders in Q1 2021

13F holders of IO: Q1 2021 compared with Q2 2021
Measure	Q1 2021	Q2 2021	Change
Holders	38	40	+2
Shares	3.36M	9.04M	+5.69M (+169.4%)
Value	$7.18M	$18.9M	+$11.7M (+163.2%)

New holders (11)

Institutions that held Ion Geophysical Corp at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to IO in Q2 2021
Institution	Shares	Value	% of portfolio
Gates Capital Management, Inc.	4,713,354	$9.85M	0.28%
Ursa Fund Management, LLC	1,050,000	$2.19M	6.39%
Caption Management, LLC	86,790	$181.0K	0.02%
PEAK6 Investments LLC	54,483	$114.0K	0.00%
State Street Corp	32,810	$69.0K	0.00%
Occudo Quantitative Strategies LP	14,056	$29.0K	0.00%
Citadel Advisors LLC	11,540	$25.0K	0.00%
Simplex Trading, LLC	4,792	$10.0K	0.00%
Your Advocates Ltd., LLP	1,000	$2.00K	0.00%
Bank of America Corp	10	$0	0.00%
Advisory Services Network, LLC	175	$0	0.00%

Sold out (9)

Institutions that held Ion Geophysical Corp at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of IO in Q2 2021
Institution	Shares, Q1 2021	Value, Q1 2021
Farmers & Merchants Investments Inc	20,763	$44.0K
Virtu Financial LLC	17,811	$38.0K
California Public Employees Retirement System	13,866	$30.0K
Susquehanna Fundamental Investments, LLC	13,896	$30.0K
Tower Research Capital LLC (TRC)	9,833	$21.0K
Cutler Group LP	3,471	$7.00K
Acadian Asset Management LLC	463	$1.00K
Wealthcare Capital Management LLC	498	$1.00K
FMR LLC	1	$0