Significant Ownership of MPM BioImpact LLC
- Large-stake filing summary
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- Recent SEC Schedule 13D/G filings for MPM BioImpact 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
- Christopher Wolf - Chief Financial Officer
- Manager location
- Boston, MA
Large-stake snapshot
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Manager
Names, identifiers, and filing context for this profile.
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Significant Ownership of MPM BioImpact LLC
| Sym | Company | Class | Ownership | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|---|
| CNTX | Context Therapeutics Inc. | Common Stock, par value $0.001 per share | 12% | $15,698,705 | -$5,918,942 | 10,679,391 | -27% | MPM BioImpact LLC | 31 Dec 2025 |
| DBVT | DBV TECHNOLOGIES S.A. | Ordinary Shares, nominal value 0.10 euro per share | 8.8% | $577,119,085 | +$32,933,228 | 26,066,806 | +6.1% | MPM BioImpact LLC | 31 Mar 2026 |
| FBRX | Forte Biosciences, Inc. | Common Stock, par value $0.001 per share | 7.2% | 1,000,682 | MPM BioImpact LLC | 31 Mar 2026 | |||
| CLYM | Climb Bio, Inc. | Common Stock, par value $0.0001 per share | 5.6% | $13,437,544 | 2,671,480 | MPM BioImpact LLC | 31 Dec 2025 | ||
| CMPX | Compass Therapeutics, Inc. | Common Stock, par value $0.001 per share | 4.1% | $15,180,764 | -$7,952,556 | 5,622,505 | -34% | MPM BioImpact LLC | 30 Jun 2025 |
Schedules 13D/G Reported by MPM BioImpact 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.