Key facts
- Goodfire’s last known valuation is $1.3B (Feb 2026).
- It has raised $207.5M across 1 recorded rounds; the latest was Early Stage VC (Series B) ($150.0M) in Feb 2026.
- Notable investors include Lightspeed Venture Partners, Salesforce Ventures, Menlo Ventures, South Park Commons, B Capital Group — 17 tracked in total.
- Status: Privately Held (backing).
- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 17 names
- ·Watchlist + deal alerts for Goodfire
Funding rounds
1 roundsAbout Goodfire
Developer of an interpretability tooling system designed to interpret and modify the internal representations of artificial intelligence models. The company offers neuron-level access, natural language annotation, and behavior programming features, enabling researchers and developers to examine model reasoning, adjust outputs, and refine performance.
- Industry
- Business/Productivity Software
- Sector
- Information Technology
- HQ
- San Francisco, CA, United States
- Founded
- 2023
- Employees
- 50
- Website
- goodfire.ai/
- Ownership
- Privately Held (backing)
Goodfire 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 Goodfire 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 Goodfire in its N-PORT filings yet. We sweep new filings monthly.