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    Spiral Capital

    Tokyo, JapanFounded 2016
    spiral-cap.com/en
    AIFintechHealthcareClimate & Energy

    Spiral Capital is an independent venture capital firm based in Tokyo, Japan, that invests in startups transforming society with technology. The firm manages General Funds and CVC Funds, focusing on sectors including AI, DeepTech, FinTech, Healthcare, and Smart Infrastructure (including ClimateTech).

    Deal activity increased 100% year-over-year (4 deals in the last 12 months). Average disclosed round size is $145.2M (across 28 rounds with reported amounts).

    Find people at Spiral Capital on Goldilocks AI

    Portfolio

    41

    Fund Size

    —

    Top Stage

    Seed

    Last 12 Mo

    4

    Team

    HIROSHI OKA

    HIROSHI OKA

    General Partner

    KAZUHIRO KAMADA

    KAZUHIRO KAMADA

    General Partner

    TAKASHI CHIBA

    TAKASHI CHIBA

    General Partner

    TOMOKAZU OKUNO

    TOMOKAZU OKUNO

    General Partner, CEO

    SHINICHIRO MAEDA

    SHINICHIRO MAEDA

    Managing Director / Corporate & Compliance Officer

    MIZUKI YOSHIDA

    MIZUKI YOSHIDA

    Partner

    YASUKUNI ICHIKAWA

    YASUKUNI ICHIKAWA

    Partner

    AIKO KIKUCHI

    AIKO KIKUCHI

    Senior Director

    AKIKO TAKEYA

    AKIKO TAKEYA

    Director

    MACHIKO KAWANO

    MACHIKO KAWANO

    Director

    RINA SHIMAZAKI

    RINA SHIMAZAKI

    Director

    RYOHEI YAMAMORI

    RYOHEI YAMAMORI

    Director

    Portfolio Breakdown

    Stage Distribution

    Sector Distribution

    Investment Activity

    DealsAvg Round Size

    Portfolio

    54 investments
    CompanyRoundAmountDate
    MOZU logoMOZUSeries B—Jul 2026
    Zevero logoZeveroSeries A$7MMar 2026
    Miresso Co Ltd logoMiresso Co LtdSeries A—Feb 2026
    route-D logoroute-DUnknown—Jan 2026
    Miresso Co Ltd logoMiresso Co LtdSeries A—Jan 2026
    Tailor logoTailorSeries A$22MJun 2025
    Bloomo logoBloomoSeries A—Jan 2025
    Miresso Co Ltd logoMiresso Co LtdSeries A$1.8BJan 2025
    HITOTSU logoHITOTSUBridge—Jan 2025
    PolicyStreet logoPolicyStreetSeries B$15.3MJan 2025
    Turing logoTuringUnknown$111MJan 2025
    GGITAI USA Inc.Series B$15.5MNov 2024
    CarbonEthics logoCarbonEthicsSeed$2.1MSep 2024
    Zevero logoZeveroSeed—Sep 2024
    Dioseve logoDioseveUnknown$7MJan 2024
    Luup, Inc. logoLuup, Inc.Series D$30MApr 2023
    Yellow Metal logoYellow MetalUnknown$3MJan 2023
    CarbonEthics logoCarbonEthicsPre-Seed$220KJan 2023
    Wisedrive logoWisedriveSeed$1MAug 2022
    Space Data logoSpace DataSeed$1.4BAug 2022
    Classplus logoClassplusSeries B$70MMar 2022
    NirogStreet logoNirogStreetSeries B$12MJan 2022
    inflow logoinflowSeed$2MJan 2022
    Yellow Metal logoYellow MetalSeed$3MJan 2022
    GMO Enpay logoGMO EnpaySeries B—Apr 2021
    Page 1 of 3

    Top Co-Investors

    Global Brain Corporation8 shared
    India Quotient8 shared
    ANRI7 shared
    Y Combinator4 shared
    Mizuho Capital4 shared
    JIC Venture Growth Investments3 shared
    SMBC Venture Capital3 shared
    Wavemaker Partners3 shared
    NTT DOCOMO Ventures3 shared
    Saison Capital3 shared
    Scrum Ventures2 shared
    DNX Ventures2 shared
    Mitsui & Co., Ltd.2 shared
    ITOCHU Technology Ventures, Inc.2 shared
    SBI Investment2 shared
    500 Global2 shared
    Iterative2 shared
    January Capital2 shared
    AppWorks2 shared
    Dai-ichi Life Insurance Company, Limited2 shared

    Last updated: 20 October 2026