Z21 Ventures — 2025 Investments
3 investments dated 2025 · listed companies and verified rows first · show all
Conifer provides a routing system that runs large language models locally on user machines first, then intelligently routes queries to cloud models only when needed, reducing token costs and improving inference speed through optimized GPU kernels.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareSan Francisco, US
Michael Jeffords(Founder)inCharles Muehlberger(Founder)in
Co-investorsPerceptive Ventures Management Company, LlcY CombinatorMFV PartnersTrue Ventures
Conifer designs and manufactures powertrains and motors for drones, robots, data centers, and mobility applications using proprietary axial-flux architecture that reduces material costs and increases performance.
Advanced ManufacturingDeep TechHardware
Ankit Somani(Founder)in
Co-investorsMaC Venture CapitalMFV PartnersTrue VenturesVoyager Partners
Risa Labs provides automated prior authorization and revenue-cycle workflows for oncology practices, handling Part B and Part D drug authorizations, eligibility and benefit verification, claims status tracking, and denial management.
AI & Machine LearningDigital HealthHealthtech
Co-investorsBetter CapitalCencora VenturesOncology VenturesOptum VenturesGeneral Catalyst
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.