Defence Builder Fund
Investing activity
Defence Builder Fund appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Pre-seed, with a median round size of $2M. The most recent is DOD Solution (Pre-seed, €1.8M, Sep 2026).
Defence Builder Fund most often invests alongside UAID Fund, Angel One Fund, 4C-Next Holding AG and WildField Ventures, and the companies it backs on Lounge are mostly in AI.
Deals
Frequently asked questions about Defence Builder Fund
What AI companies has Defence Builder Fund invested in?
Defence Builder Fund's AI investments include DOD Solution. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Defence Builder Fund invest at?
In the rounds tracked on Lounge, Defence Builder Fund has invested at Pre-seed, with a median round of $2M.
Who does Defence Builder Fund co-invest with?
Defence Builder Fund's most frequent co-investors on Lounge are UAID Fund (1 deal), Angel One Fund (1 deal), 4C-Next Holding AG (1 deal), WildField Ventures (1 deal) and Better Angle (1 deal).
How can founders reach Defence Builder Fund?
Founders on Lounge can see Defence Builder Fund'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 Defence Builder Fund to their Investor Pipeline to track the conversation.