AENU
AENU is a Berlin-based climate impact venture capital fund that focuses on investing in climate-tech and social impact startups across Europe and the US. Founded in 2022 by brothers Fabian and Ferry Heilemann, AENU aims to align financial returns with positive environmental and social outcomes, promoting a new era of "Impact Capitalism." The firm is B Corp-certified and operates as an Article 9 climate tech fund. AENU primarily targets Seed and Series A funding rounds, with initial investments ranging from €1 million to €5 million and follow-on investments up to €10 million. The fund emphasiz
Investing activity
AENU appears in 2 AI deals tracked by the AI Lounge deals desk, and led 2 of them. The rounds are mostly Seed and Pre-seed, with a median round size of $5M. The most recent are Metris Energy (Seed, $5M, Sep 2026) and ScyAI (Pre-seed, €2M, Feb 2026).
AENU most often invests alongside PT1 Ventures, Octopus Ventures, Blackfinch Ventures and Plug and Play, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about AENU
What AI companies has AENU invested in?
AENU's AI investments include Metris Energy and ScyAI. The 2 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is AENU based?
AENU is based in Berlin, Berlin, Germany.
What stage does AENU invest at?
In the rounds tracked on AI Lounge, AENU has invested at Seed and Pre-seed, with a median round of $5M. AENU led 2 of those rounds.
Who does AENU co-invest with?
AENU's most frequent co-investors on AI Lounge are PT1 Ventures (2 deals), Octopus Ventures (1 deal), Blackfinch Ventures (1 deal), Plug and Play (1 deal) and Love Ventures (1 deal).
How can founders reach AENU?
Founders on AI Lounge can see AENU'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 AENU to their Investor Pipeline to track the conversation.