Foresite Capital

Healthcare investment firm founded by Jim Tananbaum (GreenLight Biosciences, Theravance founder), focused on precision medicine, genomics, and transformative healthcare companies. Deep expertise across therapeutics, diagnostics, and healthcare services.

Location
San Francisco, USA
Founded
2011
AUM
$5B+
Investment Range
$10M - $100M
Portfolio Companies
3
Focus
biotech-focused
Fund Stages
series-a, series-b, series-c, growth

Investment Thesis

Foresite Capital invests across the healthcare spectrum with a focus on precision medicine, genomics, and data-driven healthcare companies. They take concentrated positions in companies with transformative potential, leveraging their team's deep operating experience and scientific expertise.

Team

Partners / Managing Directors (Health & Bio Focus)

  • Jim Tananbaum, MD - Founder & CEO
  • Dennis Ryan - Managing Director
  • Michael Rome - Managing Director
  • Matt Portnoy - Managing Director

Other Key Team Members

  • Investment team with MD/PhD expertise

Focus Areas

  • Precision Medicine
  • Genomics
  • Therapeutics
  • Diagnostics
  • Healthcare Technology
  • Life Science Tools
  • Data-Driven Healthcare

Notable Exits

  • Guardant Health - IPO (2018, NASDAQ: GH) - liquid biopsy leader
  • Grail - Acquired (2021, by Illumina for $8B)
  • Adaptive Biotechnologies - IPO (2019, NASDAQ: ADPT)
  • 10x Genomics - IPO (2019, NASDAQ: TXG)

Sources

Portfolio Companies

NameLocationFoundedCategories
10x GenomicsPleasanton, California, USA2012
genomics-sequencingbiotech+1
Twist BioscienceSouth San Francisco, California, USA2013
genomics-sequencingbiotech+3
Eikon TherapeuticsHayward, California, USA2019
drug-discoveryai-drug-discovery+3