Xavier Niel — Full Portfolio
10 tracked investments · listed companies and verified rows first
Follow is a medical software platform for physicians in France and Europe to track patient care pathways, share information between practitioners, and support medical research.
Digital HealthHealthtechSaaS
Roman Collin(Founder)inSteven Kavay(CEO)in
Co-investorsFelicis VenturesKima Ventures
Doctrine is a secure legal research and document workspace that combines public legal data with users' own documents and integrates into everyday tools like Microsoft Word, SharePoint, Google Drive, and Dropbox.
AI & Machine LearningLegalTechSaaS
Antoine Dusséaux(Founder)Nicolas Bustamante(Founder)inRiver Champeimont(Founder)
Co-investorsFrstKima VenturesSummit Partners
AMI Labs develops advanced AI systems that understand the real world through world models and action-conditioned architectures, enabling intelligent agents with persistent memory, reasoning, and safety controls for industrial automation, robotics, and healthcare applications.
AI & Machine LearningDeep TechRoboticsParis, FR
Yann LeCun(Founder)Alex LeBrun(Founder)inLaurent Solly(Founder)inMichael Rabbat(Founder)inPascale Fung(Founder)inSaining Xie(Founder)in
Co-investors20VCAglae VenturesAlpha Intelligence CapitalAlpha Square GroupAvenir Growth CapitalBerliner Volksbank Ventures+52 more
DFNS provides wallet-as-a-service infrastructure for financial institutions, fintech platforms, and digital asset management.
Crypto & Web3CybersecurityData & InfrastructureEnterprise SoftwareFintechParis, FR
Clarisse Hagège(Founder)inChristopher Grilhault des Fontaines(Founder)inClarisse Hagege(Founder)
Co-investorsTechstarsWhite Star CapitalWintermuteHashed6th Man VenturesCoinbase Ventures+10 more
HoloTab is a browser extension that uses AI agents to automate repetitive tasks for individuals and enterprises, allowing users to create routines that automate manual work.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareParis, FR
Julien Perolat(Founder)inLaurent Sifre(Founder)inCharles Kantor(Founder)inCharles Kantor Laurent Sifre(Founder)Daan Wierstra(Founder)Karl Tuyls(Founder)
Co-investorsAccelCreandumDaphniElaiaFirstMark CapitalMotier Ventures+10 more
hemea is a France-based brokerage and management service for home architecture and renovation projects, connecting clients with vetted contractors and over 100 dedicated experts who oversee work from design to final delivery.
Construction TechMarketplacesPropTech
Matthieu Burinin
Co-investorsDaphniKima VenturesSonorcap
Kinetix is an AI research company that combines 3D and machine learning to understand and generate human motion, building generative models for character animation, human pose estimation, and video generation.
AI & Machine LearningDeep TechGamingMedia & EntertainmentParis, FR
Yassine Tahi(CEO)inHenri Mirande(CTO)in
Co-investorsDiaspora VenturesEntrepreneur FirstKima VenturesAnimoca BrandsSparkle VenturesTop Harvest Capital+2 more
Mistral builds and open-sources frontier AI models, developer tools, and applications for organizations in finance, manufacturing, defense, energy, and the public sector to solve complex problems.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareParis, FR
Arthur Mensch(Founder)inGuillaume Lample(Founder)inTimothee Lacroix(Co-founder and CTO)inTimothée Lacroix(Founder)
Co-investors83NorthAndreessen HorowitzBalderton CapitalCisco InvestmentsConvictionElad Gil+46 more
Pennylane is a financial and accounting management platform.
Enterprise SoftwareFintechSaaSParis, FR
Arthur Waller(Founder)inEdouard Mascré(Founder)inFélix Blossier(Founder)inQuentin de Metz(Founder)inTancrède Besnard(Founder)inThierry Déo
Co-investorsCapitalGDiscovery Ventures III Gmb H & Co. KGKima VenturesPartech VenturesSequoia CapitalTCV+19 more
Upstream Tech builds software for land and water management, including its Lens (geospatial monitoring) and HydroForecast (hydrological forecasting) products.
AI & Machine LearningCleantechClimate TechSaaS
Marshall Moutenot(Chief Executive Officer)Alden Keefe Sampson(Chief Technology Officer)Carolyn duPont(Chief Commercial Officer)
Co-investorsENGIE New VenturesJapan Energy CapitalSE VenturesY Combinator
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.






















































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