Significant Ownership of MASON CAPITAL MANAGEMENT LLC
- Large-stake filing summary
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- Recent SEC Schedule 13D/G filings for MASON CAPITAL MANAGEMENT LLC focus on large-stake beneficial ownership disclosures and amendments.
- Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
- Manager signature
- /s/ John Grizzetti - John Grizzetti, Chief Operating Officer
- Manager location
- New York, NY
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Manager
Names, identifiers, and filing context for this profile.
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Significant Ownership of MASON CAPITAL MANAGEMENT LLC
| Sym | Company | Class | Ownership | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|---|
| MDRX | Veradigm Inc. | Common Stock, par value $0.01 per share | 5.8% | $29,965,651 | 6,283,161 | Mason Capital Management LLC | 22 Jan 2026 | ||
| NVRI | ENVIRI Corp | Common Stock, par value $1.25 per share | 5.5% | $81,897,568 | 4,509,778 | MASON CAPITAL MANAGEMENT LLC | 30 Mar 2026 | ||
| JELD | JELD-WEN Holding, Inc. | Common Stock, par value $0.01 per share | 5.5% | $5,606,545 | 4,791,919 | Mason Capital Management LLC | 29 Jul 2026 | ||
| NVRI | Enviri Corporation | Common Stock, par value $0.00001 per share | 3.7% | $22,464,086 | 1,031,750 | Mason Capital Management LLC | 01 Jun 2026 |
Schedules 13D/G Reported by MASON CAPITAL MANAGEMENT LLC:
| Sym | Target | Class | Ownership | Change | Current shares | Change | Value | Reporting name | Form | Report period | Filing date |
|---|
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.