3 institutions reported holding $309,092 of PROFRAC HLDG CORP (ACDCW) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($305,606), SIMPLEX TRADING, LLC ($3,486), GROUP ONE TRADING LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $305,606 | 52,600 | Added |
| 2 | SIMPLEX TRADING, LLC | $3,486 | 600 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30