PE/VC  Alta Partners

     Office Locations:

One Embarcadero Center, 37th Floor
San Francisco, CA 94111
Phone: 415-362-4022
Fax: 415-362-6178



  • Early
  • Growth
  • Middle Market



  • Communications & Networking
  • Life Sciences & Healthcare



    Founded in 1996 by four of the senior partners of Burr, Egan, Deleage & Co., Alta Partners currently manages eight venture fund programs aggregating approximately $2.0 billion in committed capital. Initially an early stage firm, Alta entered later stage investing with the formation of Alta BioPharma I, a fund focused on growth stage private companies and young public companies in the life sciences sector. ACP IV marked Alta's shift towards a singular focus on life sciences investing. Alta Partners VIII, the firm's most recent fund, is the first stage-independent life sciences fund for Alta. AP VIII will target companies across the continuum, from company formation to later-stage companies, both private and public. Since its inception, Alta has invested over $1.4 billion in more than 145 life sciences companies.

    Investment Firm Key

       VC = Venture Capital
       PE = Private Equity
       A = Angel
       I = Incubator
       MB = Merchant Bank
       VD = Venture Debt
       FI = Family Investment Office
       FOF = Fund of Funds
       ED = Economic Development Office   
       TT = Technology Transfer Office
       CVC = Corporate Venture Capital
       SEC = Secondary Purchaser
       HF = Hedge Fund/Mutual Fund
    Venture Capital
    Seed Stage
    (includes "pre-seed," or
    concept stage)
    No Revenue
    Early StageMinimal
    Growth Stage
    (also called Mid-stage)
    Expansion Stage
    (also called Late-stage)
    $7M and greater
    Private Equity
    Lower Middle Market$10M-$249M
    Middle Market$250M-$499M
    Upper Middle Market$500M-$1B
    Large Cap>$1B

    Investment Team:

    Name   Title
    Get the complete investment team + individual email addresses for investment team partners. Get personal images, LinkedIn links, investment specialties, office locations and more with a National Database subscription or Silicon Valley Database subscription.
    Adam Tomasi Ph.D. Principal
    Dan Janney Managing Director
    David H. Mack Ph.D. Director
    Ed Hurwitz Director
    Ed Penhoet Ph.D. Director


    Recent Funding Events (trailing 12 months):










      Series A





      Series D


    Portfolio companies include:


    Recent News: