Key facts
- It has raised $500K; the latest was Seed Round in Sep 2025.
- Notable investors include Y Combinator, Transpose Platform Management, Ecole Polytechnique Federale de Lausanne, ZAKA VC.
- Status: Privately Held (backing).
- ·The complete investor list — 4 names
- ·Watchlist + deal alerts for B-12
- ·The full record, as it builds
Funding rounds
No funding rounds for B-12 are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About B-12
Developer of an AI-powered laboratory automation platform designed for streamlining chemical experiments. The company's platform offers conversational workflows that translate plain language into automated methods for protocol design and execution, enabling healthcare providers and researchers to scale experiments, reduce errors, and improve reproducibility in scientific discovery.
- Sector
- Healthcare
- HQ
- San Francisco, CA, United States
- Founded
- 2025
- Employees
- 2
- Website
- b12-labs.com/
- Ownership
- Privately Held (backing)
B-12 doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in B-12 shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on B-12 in its N-PORT filings yet. We sweep new filings monthly.