2 institutions reported holding $36.2M of ONEX COPR SUB VTG (ONEXF) (ONEXF) in SEC 13F filings for 2026-03-31. Largest institutional holders: Williams Jones Wealth Management, LLC. ($36.0M), BECK MACK & OLIVER LLC ($213,727). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Williams Jones Wealth Management, LLC. | $36.0M | 493,214 | Trimmed |
| 2 | BECK MACK & OLIVER LLC | $213,727 | 2,935 | Added |
Source: SEC Form 13F filings · as of 2026-03-31