3 institutions reported holding $2.1M of SANDRIDGE ENERGY INC (SDOCQ) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($1.4M), IMC-Chicago, LLC ($557,802), SIMPLEX TRADING, LLC ($119,062). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $1.4M | 88,300 | Added |
| 2 | IMC-Chicago, LLC | $557,802 | 34,200 | Added |
| 3 | SIMPLEX TRADING, LLC | $119,062 | 7,300 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31