Citadel Advisors LLC
- SEC CIK
- 0001423053
- Latest filing
- Sep 1, 2026
IO holding history
Ion Geophysical Corp in every 13F filed by Citadel Advisors 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 (Q2 2022)
- 0
- Sold out in Q2 2022
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2022 | 0 | $0 | 0.0% | −50,699−100.0% | Sold out | Holders |
| Q1 2022 | 50,699 | $44.0K | <0.1% | +50,699 | New | Holders |
| Q4 2021 | 0 | $0 | 0.0% | −68,255−100.0% | Sold out | Holders |
| Q3 2021 | 68,255 | $91.0K | <0.1% | +56,715+491.5% | Added | Holders |
| Q2 2021 | 11,540 | $25.0K | <0.1% | +11,540 | New | Holders |