Skip to main content
    AngelBacked

    Jason Portnoy

    Founder and Managing Partner

    Subtraction Capital
    United States
    63 investments

    Jason Portnoy is a Founder and Managing Partner at Subtraction Capital based in United States. Jason Portnoy has backed 63 companies, including Space Monkey, CapLinked and Collective Health. Investment focus areas include Enterprise, Blockchain and Cybersecurity.

    Sign up to access email, LinkedIn & portfolio

    Investment Focus

    Enterprise
    Blockchain
    Cybersecurity
    Apps
    Software Engineering
    3D Printing
    Smart Cities
    Mobile Payments
    Education
    Artificial Intelligence (AI)
    Robotics
    Mobile
    Manufacturing
    Construction
    Hispanic / Latinx Founded
    Mobile Apps
    Predictive Analytics
    Logistics
    Internet
    Developer APIs

    Portfolio Companies (63)

    1Space Monkey
    2CapLinked
    3Collective Health
    4Zipline International
    5Captiv8
    6Orabrush
    7Geni
    8Outbound
    9SeatMe
    10SimpleCitizen
    11Clarium Capital
    12Facebook
    Showing 1–12 of 63
    Page 1 of 6

    Access Full Contact Information

    Get Jason Portnoy's email, LinkedIn, Twitter, full portfolio of investments, and export data to CSV.

    Email
    LinkedIn
    Portfolio

    3-day free trial, cancel anytime

    Raising a round? Run your numbers first

    Free tools founders use before pitching investors like this one.

    Runway calculatorHow long your cash lastsBurn rate calculatorMonthly spend, gross and netFunding goal calculatorHow much to raiseInvestor ROI calculatorWhat your investors earnPitch deck template11 slides that closeFundraising playbookThe 7-step raise process