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    Marathon

    Marathon is a pre-seed to Series B stage investment firm. It has made 12 investments. Average disclosed round size is $39.1M (across 14 rounds with reported amounts).

    Find people at Marathon on Goldilocks AI

    Portfolio

    12

    Fund Size

    —

    Top Stage

    Pre Seed

    Last 12 Mo

    1

    Team

    AG

    Alex Gorgoni

    Founding Partner

    GW

    Gerry Willinger

    Managing Director

    SN

    Sarah Nash

    Managing Director

    BR

    Bruce Richards

    Co-head of credit strategies

    LH

    Lou Hanover

    Co-head of credit strategies

    Portfolio Breakdown

    Stage Distribution

    Sector Distribution

    Investment Activity

    DealsAvg Round Size

    Portfolio

    14 investments
    CompanyRoundAmountDate
    Pitz logoPitzPre-Seed$2.1MOct 2025
    Pitz logoPitzPre-Seed$2.1MJan 2025
    Boon logoBoonSeries A$20.5MDec 2024
    Getboon logoGetboonSeries A$15.5MJan 2024
    Causaly logoCausalySeries B$60MJul 2023
    Welbe logoWelbePre-Seed$3MMay 2022
    Tul logoTulUnknown$181M—
    MMaquiPre-Seed$1.5M—
    TuL logoTuLSeries B$181M—
    Netdata logoNetdataSeed$3.7M—
    Boon logoBoonSeed$5M—
    Smpnet logoSmpnetSeed$1.4M—
    Welbe logoWelbeSeries A$7M—
    Straiker logoStraikerSeries A$64M—

    Top Co-Investors

    Last updated: 7 October 2026