Key facts
- It has raised $500K; the latest was Early Stage VC in Jan 2026.
- Notable investors include Y Combinator, Irregular Expressions, Vermilion Cliffs Ventures, LeapYear (US).
- Status: Privately Held (backing).
- ·The complete investor list — 4 names
- ·Watchlist + deal alerts for Lemma
- ·The full record, as it builds
Funding rounds
No funding rounds for Lemma are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Lemma
Developer of a learning and observability platform for AI agents designed for use in production environments, where deployed models require ongoing evaluation. The company's platform monitors agent behavior in live systems, captures user feedback and production outcomes, generates and tests alternative prompt configurations, supports automated experiment execution, integrates and provides dashboards and alerts, enabling AI engineering teams and organizations building agent-based systems to maintain performance, reduce manual debugging effort, and systematically improve reliability over time sources.
- Sector
- Information Technology
- HQ
- San Francisco, CA, United States
- Founded
- 2025
- Employees
- 2
- Website
- uselemma.ai/
- Ownership
- Privately Held (backing)
Lemma 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 Lemma 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 Lemma in its N-PORT filings yet. We sweep new filings monthly.