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    Rebel Fund

    San Francisco, California, United StatesFounded 2019

    Rebel Fund primarily invests in a diversified portfolio of top Y Combinator startups, utilizing a proprietary machine-learning algorithm called Rebel Theorem to screen and validate potential investments. Their investment decisions are also guided by accomplished Y Combinator alumni.

    Deal activity increased 133% year-over-year (7 deals in the last 12 months). Their most common stage is seed (76% of deals). Average disclosed round size is $5.9M (across 31 rounds with reported amounts).

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    Portfolio

    33

    Fund Size

    Top Stage

    Seed

    Last 12 Mo

    7

    Portfolio Breakdown

    Stage Distribution

    Sector Distribution

    Investment Activity

    DealsAvg Round Size

    Portfolio

    33 investments
    CompanyRoundAmountDate
    VVeritusSeed$10.1MFeb 2026
    Modelence logoModelenceSeed$3MJan 2026
    Cactus logoCactusSeed$7MNov 2025
    Chowdeck logoChowdeckSeries A$9MAug 2025
    Apolink logoApolinkSeed$4.3MJul 2025
    Outset logoOutsetSeries A$17MJun 2025
    Keep logoKeepSeries A$12MMay 2025
    Capi Money logoCapi MoneySeries A$17.2MFeb 2025
    Cercli logoCercliSeed$4MSep 2024
    Openmart logoOpenmartSeed$2.8MAug 2024
    Atla logoAtlaSeed$5MDec 2023
    Shekel Mobility logoShekel MobilitySeed$7.2MNov 2023
    EElyos EnergySeed$3MOct 2023
    Deasie logoDeasieSeed$2.9MOct 2023
    Anchor logoAnchorSeed$2.4MSep 2023
    Novig logoNovigSeed$6.4MAug 2023
    Vellum.ai logoVellum.aiSeed$5MJul 2023
    JustPaid logoJustPaidSeed$3.5MJun 2023
    Gridware logoGridwareSeed$10.5MJun 2023
    Axle logoAxleSeed$4MApr 2023
    Zywa logoZywaSeed$3MAug 2022
    Craniometrix logoCraniometrixSeed$6MAug 2022
    PPeakfloSeed$4.1MJul 2022
    Seabound logoSeaboundSeed$4.4MMay 2022
    Payflow logoPayflowSeries A$9.1MJan 2022
    Page 1 of 2

    Top Co-Investors

    Y Combinator24 shared
    Pioneer Fund5 shared
    Soma Capital5 shared
    Amino Capital2 shared
    Gaingels2 shared
    GFC2 shared
    J2 ventures2 shared
    Creandum2 shared
    Hawktail2 shared
    Allianz1 shared
    Flexport1 shared
    JAM Fund1 shared

    Last updated: 13 March 2026