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    SOSV's HAX logo

    SOSV's HAX

    Newark, United StatesFounded 2011
    hax.coLinkedIn
    Hardware & SemiconductorsClimate & EnergyManufacturingRobotics & AutomationHealthcare

    HAX (formerly HAXLR8R) is a pre-seed startup development program operated by SOSV, specializing in hard tech startups working on sustainability across climate, industrial automation, and human health. It is headquartered in Newark, New Jersey and provides hands-on venture capital for hard tech founders at company inception.

    Their most common stage is seed (40% of deals). Average disclosed round size is $6.4M (across 21 rounds with reported amounts).

    Find people at SOSV's HAX on Goldilocks AI

    Portfolio

    27

    Fund Size

    —

    Top Stage

    Seed

    Last 12 Mo

    0

    Team

    AV

    Avra van der Zee

    General Partner, SOSV

    CE

    Cyril Ebersweiler

    General Partner, SOSV & Managing Director, HAX

    DT

    Duncan Turner

    General Partner, SOSV & Managing Director, HAX

    AG

    Andrew Gollach

    Partner

    JK

    Ji Ke

    Partner & CTO, HAX

    SS

    Susan Schofer

    Partner & Chief Science Officer, HAX

    CP

    Charles Peter

    Director of Mechanical Engineering, HAX

    MM

    Michael Moon

    Director of Electronic Engineering, HAX

    QW

    Qiyu Wu

    Operations Director, HAX

    VV

    Vitaly Vyazovsky

    Creative Director, HAX

    WL

    Woojung Lee

    Investment Analyst

    BH

    Brit Harley

    Office Manager

    Portfolio Breakdown

    Stage Distribution

    Sector Distribution

    Investment Activity

    DealsAvg Round Size

    Portfolio

    30 investments
    CompanyRoundAmountDate
    QQneticUnknown$2MJan 2025
    FFluidAISeries A$15MOct 2023
    LexxPluss Inc. logoLexxPluss Inc.Series A—Mar 2023
    SSwap RoboticsUnknown$7MFeb 2023
    PPresso RoboticsSeed$8MJan 2023
    Gaia AI logoGaia AIPre-Seed$3MDec 2022
    Minut logoMinutSeries B$15MDec 2022
    Smartex logoSmartexSeries A$24.7MNov 2022
    Livin Farms logoLivin FarmsSeries A—Sep 2022
    xFuel logoxFuelUnknown—Jan 2022
    Bisu logoBisuSeed$3.2MOct 2021
    Flow Neuroscience logoFlow NeuroscienceSeries A—Aug 2021
    Allozymes logoAllozymesSeed$5MJul 2021
    RRockMass Technologies IncSeed$2.5MJan 2020
    PPresso RoboticsPre-Seed$1.6MJan 2020
    Seppure logoSeppurePre-Seed$180KJan 2018
    EEverpurseUnknown$1MJan 2014
    Presso logoPressoSeries A$10M—
    Presso logoPressoSeed$8M—
    RxAll logoRxAllSeed——
    BBackbar SolutionsSeed$3.5M—
    Princeton Critical Minerals logoPrinceton Critical MineralsSeries A$11M—
    TTumi RoboticsUnknown$250K—
    AAciist Smart Networks LtdSeed$1.5M—
    SSkygauge RoboticsSeed——
    Page 1 of 2

    Top Co-Investors

    SOSV14 shared
    Pathbreaker Ventures5 shared
    1517 Fund4 shared
    Uncork Capital4 shared
    AME Cloud Ventures4 shared
    Cherubic Ventures4 shared
    YETI Capital3 shared
    VSC Ventures3 shared
    European Innovation Council (EIC)1 shared
    Build Collective1 shared
    DCVC1 shared
    H&M Group1 shared
    Momenta1 shared
    H&M Group Ventures1 shared
    Shaper Capital1 shared
    Lightspeed Venture Partners1 shared
    Fashion for Good1 shared
    TI Platform1 shared
    Transpose Platform1 shared
    Entrepreneurs First1 shared

    Last updated: 20 October 2026