Significant Ownership of BB BIOTECH AG
- Large-stake filing summary
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- Recent SEC Schedule 13D/G filings for BB BIOTECH AG 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/ Christian Koch - Christian Koch/Signatory Authority
- Manager location
- Schaffhausen
Large-stake snapshot
1 signal
Manager
Names, identifiers, and filing context for this profile.
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Significant Ownership of BB BIOTECH AG
| Sym | Company | Class | Ownership | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|---|
| ESPR | Esperion Therapeutics, Inc. | Common Stock | 4.9% | $8,821,598 | -$227,500 | 9,694,064 | -2.5% | BB Biotech AG | 04 Mar 2025 |
| BDTX | Black Diamond Therapeutics, Inc. | Common Stock | 4.8% | $4,373,675 | -$9,254,867 | 2,733,547 | -68% | BB Biotech AG | 19 Mar 2025 |
| SAGE | Sage Therapeutics, Inc. | Common Stock | 1.9% | $9,180,538 | 1,178,503 | BB Biotech AG | 13 Jan 2025 | ||
| MGNX | MACROGENICS INC | Common Stock | 0% | $0 | -$15,292,143 | 0 | -100% | BB Biotech AG | 01 Jun 2025 |
| AGIO | Agios Pharmaceuticals, Inc. | Common Stock | 0% | $0 | -$96,033,898 | 0 | -100% | BB Biotech AG | 01 Jun 2025 |
Schedules 13D/G Reported by BB BIOTECH AG:
| 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.