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Founders Fund portfolio AI companies

Contrarian venture firm investing in deeptech, defence, and breakthrough software. Filtered to companies in AI.

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Built from a search like: Founders Fund-backed AI companies

Ranked by current headcount across Founders Fund-backed AI companies. Refreshed daily.

  1. 1
    Google DeepMind· London, England, United Kingdom

    We’re a team of scientists, engineers, machine learning experts and more, working together to advance the state of the art in artificial intelligence. We use our technologies for widespread public benefit and scientific discovery, and collaborate with others on critical challenges, ensuring safety and ethics are the highest priority.Our long term aim is to solve intelligence, developing more general and capable problem-solving systems, known as artificial general intelligence (AGI). Guided by safety and ethics, this invention could help society find answers to some of the world’s most pressing and fundamental scientific challenges. We have a track record of breakthroughs in fundamental AI research, published in journals like Nature, Science, and more.Our programs have learned to diagnose eye diseases as effectively as the world’s top doctors, to save 30% of the energy used to keep data centres cool, and to predict the complex 3D shapes of proteins - which could one day transform how drugs are invented.

    • Series A
    • 10.3k employees
    • Founded 2010
  2. 2
    OpenAI· San Francisco, California, United States

    OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests first — ahead of profit.To achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. Our investment in diversity, equity, and inclusion is ongoing, executed through a wide range of initiatives, and championed and supported by leadership.At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.

    • Series unknown
    • 10.2k employees
    • Founded 2015
  3. 3
    Natera· Austin, Texas, United States

    NateraTM is a global leader in cell-free DNA and precision medicine, dedicated to oncology, women’s health, and organ health. We aim to make personalized genetic testing and diagnostics part of the standard-of-care to protect health and inform earlier, more targeted interventions that help lead to longer, healthier lives. Natera’s tests are supported by more than 325 peer-reviewed publications that demonstrate excellent performance. Natera operates ISO 13485-certified and CAP-accredited laboratories certified under the Clinical Laboratory Improvement Amendments (CLIA) in Austin, Texas, and San Carlos, California, and through Foresight Diagnostics, its subsidiary, operates an ISO 27001-certified and CAP-accredited laboratory certified under CLIA in Boulder, Colorado. Please be advised that Natera will only reach out to candidates with an @natera.com email domain. Email communications from all other domain names are not from Natera or its employees and are fraudulent. Natera does not request interviews via text messages and does not ask for personal information until a candidate has engaged with the company and has spoken to a recruiter and the hiring team. Natera takes cyber crimes seriously, and will collaborate with law enforcement authorities to prosecute any related cyber crimes.https://www.natera.com/privacy/

    • Post-IPO equity
    • 5.9k employees
    • Founded 2004
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  5. 4
    Anthropic

    We're an AI research company that builds reliable, interpretable, and steerable AI systems. Our first product is Claude, an AI assistant for tasks at any scale.Our research interests span multiple areas including natural language, human feedback, scaling laws, reinforcement learning, code generation, and interpretability.

    • Series H
    • 5.3k employees
    • Founded 2021
  6. 5
    Neuralink· Austin, Texas, United States

    Neuralink is a neurotechnology company building a generalized input/output platform for the brain. Our work has the potential to restore autonomy to those with unmet medical needs and fundamentally transform how humans interact with the world.Our core technology is an implantable brain-computer interface with ultra-thin, flexible electrode threads placed precisely by a surgical robot, enabling high-bandwidth, bidirectional interaction with neural signals.We’ve received multiple FDA Breakthrough Device designations and are conducting clinical trials around the world. Trial participants are exploring how our implant could enhance their daily lives — controlling digital devices like computers and smartphones, operating physical devices like robotic arms and wheelchairs, and translating thought directly into speech and text.Developing brain-computer interfaces is an interdisciplinary challenge, and we’re looking for exceptional talent across engineering, science, and operations. Explore opportunities to contribute to our mission at neuralink.com/careers.

    • Series unknown
    • 701 employees
    • Founded 2016

Founders Fund’s AI portfolio

The list above ranks Founders Fund-backed AI companies by current headcount, drawn from public LinkedIn and Crunchbase records. 31 matching companies in Refolk’s index give you a quick read on where Founders Fund has gone deepest in the AI space.

Founders Fund’s AI bets tend to share a thesis. The engineers, ML researchers, and founders inside these companies are often building the same primitives - and they show up in AI talent pools across the next decade.

Refolk converts this list into a live search. Ask for Founders Fund AI companies hiring senior engineers” or “founders of Founders Fund-backed AI companies” and Refolk returns a fresh ranked shortlist.

How this list is built

Refolk pulled AI companies whose disclosed Crunchbase investor list includes Founders Fund, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes once a day.

Last refreshed: Wed, 05 Aug 2026 10:15:15 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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The underlying index updates continuously and this page re-renders at least daily. Last refreshed: Wed, 05 Aug 2026 10:15:15 GMT.

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