One Madison Group
One Madison Group appears in 1 AI deal tracked on Lounge in 2026.
Investing activity
One Madison Group appears in 1 AI deal tracked by the Lounge deals desk, rounds totalling $300M. The rounds are mostly Seed, with a median round size of $300M. The most recent is Walden Robotics (Seed, $300M, Jul 2026).
One Madison Group most often invests alongside Deviation Capital, Toyota Ventures, KAS Venture Partners and Squarepoint Capital, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about One Madison Group
What AI companies has One Madison Group invested in?
One Madison Group's AI investments include Walden Robotics. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does One Madison Group invest at?
In the rounds tracked on Lounge, One Madison Group has invested at Seed, with a median round of $300M.
Who does One Madison Group co-invest with?
One Madison Group's most frequent co-investors on Lounge are Deviation Capital (1 deal), Toyota Ventures (1 deal), KAS Venture Partners (1 deal), Squarepoint Capital (1 deal) and Menlo Ventures (1 deal).
How can founders reach One Madison Group?
Founders on Lounge can see One Madison 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 One Madison Group to their Investor Pipeline to track the conversation.