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    Founders Fund

    San Francisco, California, United StatesFounded 2005
    foundersfund.comLinkedIn
    Defense & SpaceAIBiotech & Life SciencesHealthcareFintechConsumerHardware & SemiconductorsEnterprise Software

    Founders Fund is a San Francisco-based venture capital firm investing in companies building revolutionary technologies. Founded in 2005 by Peter Thiel and partners, the firm invests across all stages, sectors, and geographies, with notable investments in SpaceX, Palantir, Anduril, Airbnb, and Stripe.

    Average disclosed round size is $111.6M (across 1061 rounds with reported amounts).

    Find people at Founders Fund on Goldilocks AI

    Portfolio

    703

    Fund Size

    $4.6B

    Top Stage

    Series A

    Last 12 Mo

    56

    Team

    AM

    Amin Mirzadegan

    Partner

    DA

    Delian Asparouhov

    Partner

    JK

    Joey Krug

    Partner

    JL

    John Luttig

    Partner

    LG

    Lauren Gross

    Partner & COO

    MV

    Matias Van Thienen

    Partner

    NT

    Napoleon Ta

    Partner

    PT

    Peter Thiel

    Partner

    RB

    Ryan Beiermeister

    Partner

    SN

    Scott Nolan

    Partner

    SL

    Sean Liu

    Partner

    TS

    Trae Stephens

    Partner

    Portfolio Breakdown

    Stage Distribution

    Sector Distribution

    Investment Activity

    DealsAvg Round Size

    Portfolio

    1274 investments
    CompanyRoundAmountDate
    Crusoe logoCrusoeSeries F$3.9BSep 2026
    Built Robotics logoBuilt RoboticsUnknown$33MSep 2026
    Impulse logoImpulseSeries D$308MSep 2026
    Fractile logoFractileSeries B$220MSep 2026
    Voya logoVoyaSeries A$35MAug 2026
    Hadrian logoHadrianSeries B$117MAug 2026
    Hadrian logoHadrianSeries C$260MAug 2026
    Senra Systems logoSenra SystemsSeries B$65MJul 2026
    SSenraSeries B$65MJul 2026
    Stark logoStarkUnknown—Jun 2026
    Hydra Host logoHydra HostSeries A$100MJun 2026
    Poetic logoPoeticSeries A$50MJun 2026
    Poetic logoPoeticSeries A$50MJun 2026
    Ramp Network logoRamp NetworkSeries F$750MJun 2026
    Garner logoGarnerSeries E$100MMay 2026
    Cognition logoCognitionUnknown$1BMay 2026
    STORD logoSTORDSeries F$250MMay 2026
    SStord, Inc.Series F$250MMay 2026
    Armada logoArmadaSeries B$230MMay 2026
    Panthalassa logoPanthalassaSeries B$140MMay 2026
    Loop logoLoopUnknown$95MApr 2026
    Hermeus logoHermeusSeries C—Apr 2026
    Halter logoHalterSeries E$220MMar 2026
    Nominal logoNominalSeries B$80MMar 2026
    Anduril logoAndurilSeries F—Mar 2026
    Page 1 of 51

    Top Co-Investors

    Y Combinator105 shared
    General Catalyst97 shared
    Khosla Ventures95 shared
    8VC93 shared
    Andreessen Horowitz91 shared
    Lux Capital88 shared
    Sequoia Capital87 shared
    Thrive Capital72 shared
    Global Founders Capital57 shared
    Tiger Global Management, LLC53 shared
    Andreessen Horowitz (a16z) Bio + Health53 shared
    Coatue Management LLC52 shared
    Kleiner Perkins51 shared
    Valor Equity Partners49 shared
    Index Ventures47 shared
    Felicis45 shared
    Accel39 shared
    Lightspeed Venture Partners35 shared
    Gaingels34 shared
    Spark Capital33 shared

    Last updated: 7 October 2026