Chalfen Ventures
Investing activity
Chalfen Ventures appears in 2 AI deals tracked by the Lounge deals desk, and led 1 of them. The rounds are mostly Seed, with a median round size of $9M. The most recent are Hestus (Seed, $7.4M, Oct 2026) and Iridius (Seed, $8.6M, Apr 2026).
Chalfen Ventures most often invests alongside Rock Yard Ventures, Insight Partners, Garage Capital and Osage Venture Partners, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about Chalfen Ventures
What AI companies has Chalfen Ventures invested in?
Chalfen Ventures's AI investments include Hestus and Iridius. The 2 rounds on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Chalfen Ventures invest at?
In the rounds tracked on Lounge, Chalfen Ventures has invested at Seed, with a median round of $9M. Chalfen Ventures led 1 of those rounds.
Who does Chalfen Ventures co-invest with?
Chalfen Ventures's most frequent co-investors on Lounge are Rock Yard Ventures (2 deals), Insight Partners (1 deal), Garage Capital (1 deal), Osage Venture Partners (1 deal) and Accenture (1 deal).
How can founders reach Chalfen Ventures?
Founders on Lounge can see Chalfen Ventures'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 Chalfen Ventures to their Investor Pipeline to track the conversation.