2 institutions reported holding $127,680 of PROFOUND MED CORP (PRFMF) in SEC 13F filings for 2026-06-30. Largest institutional holders: SIMPLEX TRADING, LLC ($103,075), GROUP ONE TRADING LLC ($24,605). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $103,075 | 15,500 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $24,605 | 3,700 | New |
Source: SEC Form 13F filings · as of 2026-06-30