Founders Fund is a San Francisco-based venture capital firm founded in 2005 by Peter Thiel, along with Ken Howery and Luke Nosek. The firm is known for its deeply contrarian investment philosophy, backing founders who hold unconventional but important convictions about the future, and focusing on companies building revolutionary technologies rather than incremental improvements.
The firm invests across stages, from early-stage venture to late-stage growth, with sector focus spanning defense technology, artificial intelligence, fintech, space, biotech, and energy infrastructure. Founders Fund manages approximately $17 billion in assets and recently closed its largest fund ever at $6 billion, with Thiel and senior staff contributing $1.5 billion themselves.
Typical check sizes range from $500K to $150 million, scaling to over $1 billion for late-stage conviction bets. Notable portfolio companies include SpaceX, Palantir, Stripe, Airbnb, Anduril, OpenAI, Figma, Neuralink, Nubank, Ramp, and Rippling. The firm led Anduril's $2.5 billion Series G round in 2025, the largest single check it has ever written.
People
- Neil Ruthven, Chief Financial Officer
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