Rock Springs Capital

Portfolio Co Investors 2026 for Rock Springs Capital: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.

Rock Springs Capital accounts for 23 tracked companies with verified cap-table data, 23 of which disclose round sizes totalling $8.2B. The median disclosed raise is $172M, and the largest is Kymera Therapeutics at $3B, ahead of Treeline Biosciences ($1.1B) and Immunocore ($665M).

The names that recur most often on these co-invested cap tables are Rock Springs Capital (23 companies), Surveyor Capital (5 companies), Bain Capital Life Sciences (4 companies), Janus Henderson Investors (4 companies), OrbiMed (4 companies), RA Capital Management (4 companies). By latest disclosed round, the market skews Series C (8), Series B (7), Series A (3), Series E (1).

Best funded Rock Springs Capital companies

  1. Kymera Therapeutics — $3B (latest: Series C)
  2. Treeline Biosciences — $1.1B (latest: Series A)
  3. Immunocore — $665M (latest: Series C)
  4. Affinivax — $359M (latest: Series C)
  5. Honor — $325M (latest: Series E)
  6. FogPharma — $323M (latest: Series D)
  7. Genesis HealthCare — $280M (latest: Series B)
  8. Apollo Therapeutics — $260M (latest: Series C)
  9. Coherus Biosciences — $220M (latest: Series C)
  10. Verve Therapeutics — $216M (latest: Series B)
  11. ESCAPE Bio — $184M (latest: Series C)
  12. Amylyx Pharmaceuticals — $172M (latest: Series C)
  13. Fusion Pharmaceuticals — $171M (latest: Series B)
  14. Disc Medicine — $153M (latest: Series B)
  15. BioTheryX — $127M

Rock Springs Capital Management LP — related firms and companies (56)

Rock Springs Capital Management LP profile · All research reports

Resources
Join free
Sign Out Dashboard

The Startup Fundraising Platform

Raise funds for your startup

Find the right investors and get real replies — instantly, powered by AI.

  • AI-scored pitch deck
  • Matched investor list
  • Personalized outreach drafts
Join for free

Takes 30 seconds · No credit card · Cancel anytime

See it in action ↓
  • Library
  • Articles
  • Pitch Decks
  • Videos
  • Shorts
  • Profiles
  • Visuals
  • Questions
  • Ask
  • All
  • Seed & Pre-Seed
  • Series A & B
  • Fintech
  • SaaS & Dev Tools
  • Consumer & Social
  • Marketplace & Frontier
  • Mistakes to Avoid
  • Checklist
  • How to Send
  • Design
  • Length
  • Order
  • Storytelling
  • Investor Q&A
  • One-Pager
  • Email Templates
  • Data Room
  • Investor Update
  • Term Sheet
  • SAFE vs Priced
  • Due Diligence
  • Timeline
  • Metrics
  • Valuation
  • Cap Table
  • Pipeline
  • Board
  • Objections
  • References
  • Closing
  • Bridge Round
  • Down Round
  • Secondary Sale
  • Investor Rejection
  • First Meeting
  • Second Meeting
  • Partner Meeting
  • Post-Mortem
  • Update Cadence
  • Angel Round
  • Option Pool Shuffle
  • Fundraise Pause
  • Vetting VCs
  • First 90 Days
  • First Board Meeting
  • Reference Calls
  • NDA Template
  • Bylaws Template
LibraryPitch Deck Examples

Slide-by-slide guide

 

  • Library
  • Articles
  • Pitch Decks
  • Videos
  • Shorts
  • Profiles
  • Visuals
  • Questions
  • Ask
LibraryArticles

•By Alejandro Cremades