Founders Fund

Founders Fund is a San Francisco-based venture capital firm founded by Peter Thiel, Ken Howery and Luke Nosek in 2005. The firm is known for contrarian, high-conviction bets on deep technology including SpaceX, Palantir, Airbnb and Stripe. It manages several billion dollars across funds and is particularly active in defence technology, artificial intelligence and biotechnology, areas where its tolerance for long development timelines and regulatory complexity sets it apart from consumer-internet-focused VCs.

On 20 May 2026, Founders Fund co-led Fractile's $220m Series B alongside Accel and Factorial Funds . Fractile's SRAM in-memory compute architecture for AI inference, and the presence of NATO Innovation Fund and In-Q-Tel on the cap table, fit Founders Fund's pattern of investing in dual-use technology with national-security dimensions. The firm's portfolio companies Palantir and Anduril are both defence-technology leaders, giving Founders Fund deep context on how sovereign and allied capital interacts with dual-use hardware companies.

Founders Fund's participation in a UK chip startup at $1bn valuation is significant for the British technology ecosystem. The firm's contrarian reputation and Peter Thiel's outspoken views on technological stagnation mean its commitment to Fractile will be read as a strong signal that SRAM in-memory compute represents a genuine architectural inflection rather than incremental progress. For UK policymakers watching the Fractile round's cap table, Founders Fund's presence alongside In-Q-Tel and NATO Innovation Fund reinforces the allied-capital framing of the deal.