Avalon Ventures

Avalon Ventures is a venture capital firm founded in 1983 and based in San Diego, California. The firm focuses on early-stage investments, particularly in life sciences and technology companies, supporting startups from formation through growth. The firm is known for its company-building approach, often incubating startups internally before launching them. Beyond capital, Avalon provides operational support, strategic guidance, and access to scientific and industry expertise to accelerate development. Avalon primarily invests in biotechnology, healthcare, and software sectors. Notable investments include Jnana Therapeutics, Janux Therapeutics, Enlaza Therapeutics, Primer, and Fortis Therapeutics, reflecting its strong emphasis on innovative life sciences and advanced technologies. The firm typically invests from seed through Series A and beyond, often leading rounds. Individual investments have ranged from tens of millions to over $100 million, with a track record of supporting companies through multiple funding stages and successful exits.