Andreessen Horowitz Bio + Health

Andreessen Horowitz Bio + Health

Menlo Park, Californiaa16z.com

Overview

Andreessen Horowitz (a16z) Bio + Health invests in bold entrepreneurs who are innovating new ways to treat and tackle diseases and building the modern, efficient, and enduring healthcare system for better care. The fund focuses on therapeutic platforms and cutting-edge technology companies that can bring new medicines and disease treatments to improve patients' lives. They invest in companies at all stages, from company creation to growth, and take a long-term view to enable disruptive companies to realize the full potential of new biological science, engineering technologies, and AI capabilities.

Year Founded

2009

Portfolio Companies

32

Website

a16z.com

Investments

CompanyDateStageLead
Stipple BioApr 2026Series ALead
Gate BioscienceNov 2025Series BCo-investor
knownwellOct 2025Early FundingCo-investor
Thyme CareSep 2025Series DLead
Sprinter HealthMay 2025Series BCo-investor

Key People

Andrew Chen

General Partner

Erik Torenberg

General Partner

Jeff Jordan

General Partner At A16z

Katherine Boyle

General Partner

Charles Payton

Partner, Capital Formation Investor Relations

David Garcia

Partner, Investor Relations

Erika Louie

Partner, HR

Marci Rosalez

Partner, Growth Events

Mario Linares

Partner-Executive Talent

Robert Weber

Partner, Technical Talent

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersMenlo Park, California
Year Founded2009

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