Significant Ownership of Bihua Chen
- Large-stake filing summary
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- Recent SEC Schedule 13D/G filings for Bihua Chen 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/ Bihua Chen - Bihua Chen, Self
- 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 Bihua Chen
| Sym | Company | Class | Ownership | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|---|
| HLXB | Helix Acquisition Corp. II | Class A ordinary shares, $0.0001 par value per share | 32% | $81,352,890 | 7,389,000 | Bihua Chen | 28 Feb 2025 | ||
| HLXB | BridgeBio Oncology Therapeutics, Inc. | Common Stock | 23% | 17,878,594 | Bihua Chen | 11 Aug 2025 | |||
| BBOT | BridgeBio Oncology Therapeutics, Inc. | Common Stock | 22% | $139,095,461 | 17,878,594 | Bihua Chen | 01 Jul 2026 | ||
| MLTX | MoonLake Immunotherapeutics | Class A Ordinary Shares | 3.1% | $108,084,177 | 1,994,173 | Chen Bihua | 30 Sep 2025 | ||
| BMEA | Biomea Fusion, Inc. | Common Stock | 1.5% | $2,143,436 | -$5,295,734 | 1,060,792 | -71% | Chen Bihua | 22 Oct 2025 |
Schedules 13D/G Reported by Bihua Chen:
| 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.