# EcoR1 Capital

Source: https://onco.cc/companies/ecor1-capital/  
OnCo record `ecor1-capital` (Company). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

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.

## Fields

- Kind: Company
- Last checked: 2026-09-10
- Tags: vc
- HQ: San Francisco, CA
- Type: investor
- Website: https://www.ecor1cap.com

## Sources

- Official website: https://www.ecor1cap.com

## Connected records

- companies: [Neogene Therapeutics](https://onco.cc/companies/neogene-therapeutics/), [Tango Therapeutics](https://onco.cc/companies/tango-therapeutics/)

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JSON: https://onco.cc/api/v1/entities/ecor1-capital.json