R42 Group
R42 Group actively invents and finances deep science ventures. R42 Group will work from the pre-seed inventing stage through to the growth stage. Per Crunchbase, R42 Group has made 31 investments, 9 as lead investor across 22 portfolio companies.
Investing activity
R42 Group has made 31 investments according to Crunchbase across 22 portfolio companies, and has led 9 rounds.
R42 Group appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $2M. The most recent is xWatts (Seed, £1.6M, Feb 2026).
R42 Group most often invests alongside Cambridge Enterprise Ventures and Parkwalk, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about R42 Group
What AI companies has R42 Group invested in?
R42 Group's AI investments include xWatts. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
Where is R42 Group based?
R42 Group is based in Stanford, California, United States.
What stage does R42 Group invest at?
In the rounds tracked on Lounge, R42 Group has invested at Seed, with a median round of $2M.
Who does R42 Group co-invest with?
R42 Group's most frequent co-investors on Lounge are Cambridge Enterprise Ventures (1 deal) and Parkwalk (1 deal).
How can founders reach R42 Group?
Founders on Lounge can see R42 Group's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add R42 Group to their Investor Pipeline to track the conversation.