{"entity":{"id":"ecor1-capital","kind":"company","name":"EcoR1 Capital","aka":[],"tldr":"EcoR1 Capital is a San Francisco investment fund that only invests in biotech, from private rounds to listed companies, and often leads the crossover financings of cancer drug developers.","summary":"EcoR1 Capital is a biotech-focused investment firm based in San Francisco, founded in 2013 by Oleg Nodelman, investing across private and public companies with a long holding period and a scientific due diligence model. It is a frequent lead or co-lead in crossover rounds and follow-on offerings for clinical-stage oncology companies. Portfolio links in OnCo are derived from the startup records that name it.","asOf":"2026-09-10","links":[{"label":"Official website","url":"https://www.ecor1cap.com"}],"tags":["vc"],"related":[],"cancers":[],"sections":[],"technologies":[],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":[],"keyPapers":[],"journals":[],"dependsOn":[],"notes":[],"hq":"San Francisco, CA","country":"US","companyType":"investor","website":"https://www.ecor1cap.com","founded":2013,"investors":[],"funding":[]},"route":"/companies/ecor1-capital/","neighbours":{"company":[{"id":"neogene-therapeutics","kind":"company","name":"Neogene Therapeutics","route":"/companies/neogene-therapeutics/"},{"id":"tango-therapeutics","kind":"company","name":"Tango Therapeutics","route":"/companies/tango-therapeutics/"}]}}