J2 Ventures
Dual-use technology investor.
Investing activity
J2 Ventures appears in 3 AI deals tracked by the AI Lounge deals desk, rounds totalling $125M, and led 3 of them. The rounds are mostly Seed and Series B, with a median round size of $8M and the largest at $125M. The most recent are InfiniG (Seed, $5.2M, Aug 2026), Sazabi (Seed, $8M, Jun 2026) and Code Metal (Series B, $125M, Feb 2026).
J2 Ventures most often invests alongside Stormbreaker Ventures, Y Combinator, Village Global and Orange Collective, and the companies it backs on AI Lounge are mostly in AI and AI coding.
Deals
Frequently asked questions about J2 Ventures
What AI companies has J2 Ventures invested in?
J2 Ventures's AI investments include InfiniG, Sazabi and Code Metal. The 3 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is J2 Ventures based?
J2 Ventures is based in Boston, US.
What stage does J2 Ventures invest at?
In the rounds tracked on AI Lounge, J2 Ventures has invested at Seed and Series B, with a median round of $8M. J2 Ventures led 3 of those rounds.
Who does J2 Ventures co-invest with?
J2 Ventures's most frequent co-investors on AI Lounge are Stormbreaker Ventures (1 deal), Y Combinator (1 deal), Village Global (1 deal), Orange Collective (1 deal) and OpenAI (1 deal).
How can founders reach J2 Ventures?
Founders on AI Lounge can see J2 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 J2 Ventures to their Investor Pipeline to track the conversation.