VC  RockPort Capital

     Office Locations:

539 Bryant Street, Suite #306
San Francisco, CA 94107
Phone: 415-780-9900
Fax: 415-780-9907

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  • Early
  • Expansion
  • Growth
  • Seed



  • Energy & Clean Tech



    Founded 2001, RockPort Capital is a venture firm (licensed as a Small Business Investment Company) focused on high value opportunities in the Energy, Mobility and Sustainability. Within these segments the firm invests in companies at all stages of development, from seed stage to companies with substantial commercial revenues. Depending on stage and risk profile, we may invest between $500,000 and $25 million in a round or company.

    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.
    Abe Yokell Partner
    Alexander Ellis General Partner
    Charles J. (Chuck) McDermott General Partner
    Daniel Hullah Partner
    David J. Prend Co-Founder and Managing General Partner


    Recent Funding Events (trailing 12 months):







      NewLeaf Symbiotics



      Series C


    Portfolio companies include:

      Achates Power
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      Advanced Electron Beams
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      Aspen Aerogels
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      Aspen Products Group
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      Catalytic Solutions
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      Clean Diesel Technologies
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      DeerPath Energy
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      Eka Systems
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      Enki Technology
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      enphase energy
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      Evergreen Solar
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      FirstFuel Software
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      Gan Systems
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      Gridco Systems
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      Honest Buildings
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      HydroPoint Data Systems
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      Neo Photonics
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      NewLeaf Symbiotics
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      Northern Power Systems
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      Renaissance Lighting
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      Renovate America
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      Southwest Windpower
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      Tioga Energy
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    Recent News: