B4 Capital — 2026 Investments
2 investments dated 2026 · listed companies and verified rows first · show all
Goodfire is a research company developing interpretability tools to understand and design AI systems.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US
Tom McGrath(Director)Daniel Balsam(Director)inEric Ho(Executive Officer, Director)inDaniel Kang(Director)
BoardDeedy Das(Director)Nnamdi Iregbulem(Director)in
Board seatYan-David “Yanda” Erlich· per SEC Form D
Co-investorsB Capital GroupCompoundJuniper Ventures Management, LlcLightspeed Venture PartnersMenlo VenturesMythos Ventures Management, Llc+5 more
Numerion combines drug discovery expertise with machine learning and computational chemistry.
AI & Machine LearningBiotechHealthtechMedical DevicesSan Francisco, US
Alex Levy(Founder)inIzhar Wallach(Founder)inSteve Worland(CEO)Pamela Tsuruda(VP, Biology)Mark Sabat(VP, Medicinal Chemistry)Kate Stafford(VP, Machine Learning)
Board seatAdam SeabrookRobert Mittendorff· per SEC Form D
Co-investorsB Capital GroupDCVC (Data Collective)Y Combinator
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.