2 institutions reported holding $8,670 of ARQ INC (ADES) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($5,610), SIMPLEX TRADING, LLC ($3,060). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $5,610 | 2,200 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $3,060 | 1,200 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30