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    KCK Group

    New York, New York, United StatesFounded 2015
    kck-fs.comLinkedIn
    FintechHealthcareBiotech & Life SciencesClimate & Energy

    KCK Group is a multi-billion AUM single-family office based in New York, managing assets for the Kassar family. The firm operates through multiple investment vehicles — including KCK Financial Services (fintech/financial services) and KCK Medtech (medical devices) — investing across life sciences, energy, industrials, and financial services from early-stage to growth and public companies.

    47% of their portfolio is in Healthcare. Average disclosed round size is $57.1M (across 19 rounds with reported amounts).

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    Portfolio

    14

    Fund Size

    —

    Top Stage

    Series B

    Last 12 Mo

    0

    Team

    TE

    Tony Ettinger

    Senior Managing Director/

    TH

    Timothy Ho

    Managing Director/ Operating Partner/

    DD

    Dustin DeWitt

    Principal/

    GJ

    Grace Jiang

    Vice President/

    TS

    Terry Smith

    Financial Controller/

    Portfolio Breakdown

    Stage Distribution

    Sector Distribution

    Investment Activity

    DealsAvg Round Size

    Portfolio

    19 investments
    CompanyRoundAmountDate
    Chain Reaction logoChain ReactionSeries C$70MFeb 2023
    Mainspring logoMainspringSeries D$95MMay 2021
    Crusoe logoCrusoeSeries B$128MJan 2021
    Aerin Medical logoAerin MedicalGrowth$48MAug 2020
    NeuroPace logoNeuroPaceUnknown$67MJan 2020
    RRefleXionSeries A$100MJan 2020
    RefleXion Medical logoRefleXion MedicalSeries A$11.6MJan 2020
    Crusoe Energy logoCrusoe EnergyGrowth$70MDec 2019
    Crusoe Energy logoCrusoe EnergySeries C$30MDec 2019
    SightSciences logoSightSciencesSeries D$31MSep 2019
    Wunder Mobility logoWunder MobilitySeries B$30MSep 2018
    Better Mortgage logoBetter MortgageSeries A$30MJun 2016
    RefleXion Medical logoRefleXion MedicalSeries B$46MApr 2016
    RefleXion Medical logoRefleXion MedicalSeries B$46MApr 2016
    RefleXion Medical logoRefleXion MedicalGrowth$100MJan 2016
    Affirmed Networks logoAffirmed NetworksSeries C$51MJun 2013
    IAM Robotics logoIAM RoboticsSeries B$20M—
    RefleXion Medical logoRefleXion MedicalSeries C$100M—
    RefleXion Medical logoRefleXion MedicalSeries A$11.6M—

    Top Co-Investors

    Venrock7 shared
    Sofinnova Partners7 shared
    Pfizer Ventures7 shared
    T. Rowe Price4 shared
    Bain Capital Ventures3 shared
    Winklevoss Capital Management3 shared
    Polychain Capital3 shared
    Founders Fund3 shared
    Exor Ventures2 shared
    Upper902 shared
    OrbiMed2 shared
    Ally Bridge Group2 shared
    Lightrock1 shared
    Standard Industries1 shared
    General Catalyst1 shared
    Devonshire Investors1 shared
    ClearSky1 shared
    Equinor1 shared
    Khosla Ventures1 shared
    Chevron Technology Ventures1 shared

    Last updated: 8 September 2026