Simplex Trading, LLC
- SEC CIK
- 0001488542
- Latest filing
- Aug 12, 2026
IO holding history
Ion Geophysical Corp in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
IO overviewAll 13F holders of IOFull Q2 2026 holdings
- Shares (Q3 2022)
- 0
- Sold out in Q3 2022
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2022 | 0 | $0 | 0.0% | −2,000−100.0% | Sold out | Holders |
| Q2 2022 | 2,000 | $0 | 0.0% | +2,000 | New | Holders |
| Q4 2021 | 0 | $0 | 0.0% | −4,792−100.0% | Sold out | Holders |
| Q3 2021 | 4,792 | $10.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2021 | 4,792 | $10.0K | <0.1% | +4,792 | New | Holders |