3 institutions reported holding $162,504 of RIDENOW GROUP INC (RMBL) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($127,872), SIMPLEX TRADING, LLC ($34,632), GROUP ONE TRADING LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $127,872 | 19,200 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $34,632 | 5,200 | Hold |
| 3 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30