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.
Q3 2025 vs. Q2 2025
How the institutions holding Ion Geophysical Corp changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 1 | 0 | −1 |
| Shares | 41.0K | 0 | −41.0K (−100.0%) |
| Value | $1 | $0 | −$1 (−100.0%) |
New holders (0)
Institutions that held Ion Geophysical Corp at the end of Q3 2025 but not at the end of Q2 2025.
None.
Sold out (1)
Institutions that held Ion Geophysical Corp at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Huntington National Bank | 41,000 | $1 |