J4 Ventures
Investing activity
J4 Ventures appears in 1 AI deal tracked by the Lounge deals desk, and led 1 of them. The rounds are mostly Pre-seed, with a median round size of $6M. The most recent is Hearvana AI (Pre-seed, $6M, Aug 2026).
J4 Ventures most often invests alongside Forston VC, Point72 Ventures, Amazon Alexa Fund and Moai Capital, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about J4 Ventures
What AI companies has J4 Ventures invested in?
J4 Ventures's AI investments include Hearvana AI. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does J4 Ventures invest at?
In the rounds tracked on Lounge, J4 Ventures has invested at Pre-seed, with a median round of $6M. J4 Ventures led 1 of those rounds.
Who does J4 Ventures co-invest with?
J4 Ventures's most frequent co-investors on Lounge are Forston VC (1 deal), Point72 Ventures (1 deal), Amazon Alexa Fund (1 deal), Moai Capital (1 deal) and Ascend (1 deal).
How can founders reach J4 Ventures?
Founders on Lounge can see J4 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 J4 Ventures to their Investor Pipeline to track the conversation.