3 institutions reported holding $358,980 of PROFRAC HLDG CORP (ACDCW) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($204,600), SIMPLEX TRADING, LLC ($122,140), GROUP ONE TRADING LLC ($32,240). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $204,600 | 33,000 | New |
| 2 | SIMPLEX TRADING, LLC | $122,140 | 19,700 | Added |
| 3 | GROUP ONE TRADING LLC | $32,240 | 5,200 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31