Alta Partners

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

Alta Partners accounts for 19 tracked companies with verified cap-table data, 19 of which disclose round sizes totalling $2.7B. The median disclosed raise is $85M, and the largest is EGenesis at $481M, ahead of BridgeHealth ($450M) and DispatchHealth ($417M).

The names that recur most often on these co-invested cap tables are Alta Partners (19 companies), Longwood Fund (4 companies), General Catalyst (3 companies), Domain Associates (3 companies), Lux Capital (2 companies), Leaps by Bayer (2 companies). By latest disclosed round, the market skews Series A (7), Series D (5), Series B (5), Series E (1).

Best funded Alta Partners companies

  1. EGenesis — $481M (latest: Series D)
  2. BridgeHealth — $450M (latest: Series D)
  3. DispatchHealth — $417M (latest: Series D)
  4. Trevena — $174M
  5. Variant Bio — $130M (latest: Series B)
  6. Harbor Health — $130M (latest: Series D)
  7. ImmuneID — $113M (latest: Series A)
  8. MBrace Therapeutics — $110M (latest: Series B)
  9. aTyr Pharma — $90M (latest: Series E)
  10. Lassen Therapeutics — $85M (latest: Series B)
  11. Qihan Biotech — $75M (latest: Series B)
  12. DEM BioPharma — $70M (latest: Series A)
  13. Progentos Therapeutics — $65M (latest: Series A)
  14. CuraSen Therapeutics — $60M (latest: Series B)
  15. Cara Therapeutics — $56M (latest: Series D)

ALTA Partners — related firms and companies (56)

ALTA Partners 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