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Founders Fund

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A San Francisco-based venture capital firm investing in companies developing transformative technologies.

Last updated November 4, 2026

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Overview

Founders Fund is a privately held venture capital firm based in San Francisco, California. Established in 2005 by Peter Thiel and other founding partners, the firm invests in technology companies at different stages of development, with an emphasis on businesses pursuing substantial scientific, industrial, or technological change. Its investment areas have included software, artificial intelligence, biotechnology, healthcare, aerospace, energy, and other technology-intensive fields. Unlike a consumer-facing brand, Founders Fund operates as a financial and professional-services organization: it raises and manages venture capital funds, evaluates private companies, provides capital to portfolio businesses, and may support founders through strategic advice and investor networks. The firm presents its investment approach around companies building what it describes as revolutionary technologies. Its portfolio-oriented model means that its public identity is closely associated with the founders and companies it backs rather than with a conventional product range. Founders Fund remains a private investment organization, and detailed information about individual funds, ownership, personnel, investment terms, and financial performance is not comprehensively disclosed on its public website. The available reference material confirms its San Francisco base and technology-focused venture-capital mandate, while providing limited independently verifiable detail about its internal organization and historical portfolio.

History

Founders Fund was established in 2005 in San Francisco by Peter Thiel and other founding partners. The firm was created as a venture capital platform focused on technology startups and companies pursuing ambitious technical or scientific opportunities. Its stated investment scope has extended across software and internet businesses as well as areas requiring substantial research, engineering, or capital, including artificial intelligence, biotechnology, aerospace, healthcare, and energy. As a venture capital firm, its activities center on fundraising, private-company investment, portfolio support, and eventual liquidity events rather than the manufacture or retail sale of branded goods. The organization has maintained a relatively limited public disclosure profile compared with listed investment companies. Publicly available reference material identifies its San Francisco location and broad mission of investing in companies developing revolutionary technologies, but does not provide enough verified information to reconstruct a detailed chronology of funds, personnel changes, portfolio transactions, or financial results. Accordingly, the documented history supports its founding, location, business category, and general investment orientation, while specific claims about individual deals, fund sizes, returns, or governance remain unconfirmed in the supplied sources.

  • 2005

    Founders Fund established

    [1]

    Founders Fund was established as a San Francisco-based venture capital firm focused on technology companies.

Products and positioning

A technology-focused venture capital firm supporting companies pursuing significant or transformative innovation.

  • Financial services

    Venture capital investment funds

    Private investment funds used to provide capital to technology startups and other companies pursuing significant technological or scientific opportunities. The firm’s public positioning emphasizes businesses developing revolutionary technologies, while specific fund structures, investment terms, and performance data are not disclosed in the supplied reference material.

Recent events

  • Unconfirmed

    Reported

    Orbiit raises $2.7 million seed round[2]

    Orbiit raised a $2.7 million funding round led by Bread and Butter Ventures, with participation from new and existing investors. The capital will be used to build out Orbiit’s product and engineering team.

  • Reported

    Cased announces $2.25 million seed funding[3]

    Cased announced a $2.25 million seed round led by Founders Fund. The article says the funding had closed the previous April and was being announced on May 4, 2021.

  • Reported

    Replica secures $41 million in Series B funding[4]

    Replica announced that it secured $41 million in Series B funding. The round was led by Founders Fund and included previous investors.

  • Reported

    Price.com closes $10 million seed funding round[5]

    Price.com announced that it had closed a $10 million Series Seed funding round led by Ricky Caplin, with participation from institutional and individual investors. The company said the capital would support user acquisition, operational expansion, product-matching technology, and additional functionality, features, and merchants.

  • Reported

    Vise raises $14.5 million in Series A funding[6]

    Vise announced that it had secured $14.5 million in Series A funding led by Sequoia Capital, with participation from Founders Fund, Bling Capital, Human Capital, Lachy Groom, Steve Chen and Jon Xu.

  • Reported

    Zinier raises USD 90 million in Series C funding[7]

    Zinier said it raised USD 90 million in Series C funding from ICONIQ Capital, Tiger Global Management and five other investors. The funding will support global customer adoption and expansion of its AI-driven field service automation platform.

  • Unconfirmed

    Scanwell Health announces $3.5 million seed funding[8]

    Scanwell Health announced that it had raised $3.5 million in seed funding from investors including Founders Fund, Mayfield, DCM, Version One, Y Combinator and Joe Montana’s Liquid 2 Ventures.

  • Unconfirmed

    Osaro completes $16 million Series B funding[9]

    Osaro announced that it had completed a $16 million Series B financing. King River Capital led the round, with Alpha Intelligence Capital, Founders Fund and others participating. The funds will be used to develop and globally deploy warehouse and logistics intelligent solutions.

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