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    First In

    Washington, District of Columbia, United StatesFounded 2020

    The venture capital firm First In focuses on early-stage investments in security technology sectors, including cybersecurity, defense, and data intelligence. Their strategy involves backing entrepreneurs who develop advanced technological solutions to secure freedom, leveraging the firm's expertise as former operators and founders.

    Find people at First In on Goldilocks AI

    Portfolio

    8

    Fund Size

    $17M

    Top Stage

    Series A

    Last 12 Mo

    4

    Stage Distribution

    Portfolio

    8 investments
    CompanyRoundAmountDate
    OnfireSeries A$20MOct 2025
    ViCentraSeries D$72.4MSep 2025
    ViCentraSeries D$85MSep 2025
    ClassiqSeries C$110MMay 2025
    OttopiaSeries A$9MApr 2021
    CastelionSeries A$100M
    CastelionSeed$14.2M
    BriaSeries B$40M

    Top Co-Investors

    Invest-NL2 shared
    Lavrock Ventures2 shared
    Hyundai Motor Group1 shared
    Maven1 shared
    Cantos1 shared
    Interlagos1 shared
    Grove1 shared
    TLV Partners1 shared
    NightDragon1 shared
    Hamilton Lane1 shared
    Clal1 shared
    NEVA SGR1 shared
    Phoenix Capital Ventures1 shared

    Last updated: 3 March 2026