Deerfield Management

Leading healthcare investment firm dedicated to advancing healthcare through investment, information, and philanthropy. Invests across the full lifecycle of healthcare companies from seed to post-IPO, with deep expertise in drug development.

Location
New York, USA
Founded
1994
AUM
$10B+
Investment Range
$10M - $200M
Portfolio Companies
3
Focus
biotech-focused
Fund Stages
seed, series-a, series-b, series-c, growth

Investment Thesis

Deerfield invests across the healthcare ecosystem, from early-stage therapeutics to established biopharma companies. They combine deep scientific expertise with financial discipline to identify companies developing transformative therapies. Their full-lifecycle approach allows them to support companies from seed funding through commercial success.

Team

Partners / Managing Directors (Health & Bio Focus)

  • James Flynn, MD, PhD - Managing Partner
  • Jonathan Leff - Managing Partner
  • William Slattery - Managing Partner
  • David Clark, PhD - Partner

Other Key Team Members

  • Investment team with MD/PhD expertise in drug development

Focus Areas

  • Therapeutics
  • Oncology
  • Neuroscience
  • Rare Diseases
  • Public Healthcare Equities
  • Private Biotech
  • Healthcare Services

Notable Exits

  • Nuvalent - IPO (2021, NASDAQ: NUVL) - precision oncology
  • Horizon Therapeutics - Acquired (2023, by Amgen for $27.8B)
  • Multiple biotech IPOs and M&A transactions

Sources

Portfolio Companies

NameLocationFoundedCategories
Foundation MedicineCambridge, Massachusetts, USA2010
genomics-sequencingdiagnostics+3
Treeline BiosciencesCambridge, Massachusetts, USA2022
therapeuticsbiotech+3
BridgeBio Oncology TherapeuticsPalo Alto, California, USA2015
biotechoncology+3