AENU (formerly Pirate Impact Capital) is a Berlin-based climate tech venture capital fund that invests in early-stage European companies focused on the energy transition, industrial decarbonization, and systemic resilience. The firm was originally established as a family office by brothers Fabian and Ferry Heilemann and rebranded to AENU in 2022 as an evergreen impact fund.
52% of their portfolio is in Climate & Energy. Average disclosed round size is $21.1M (across 9 rounds with reported amounts).
Portfolio
23
Fund Size
$170M
Top Stage
Series A
Last 12 Mo
5
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
25 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Galvany | Seed | — | Jun 2026 |
 Entrix | Series B | $46.6M | Mar 2026 |
 Equitable Earth | Series A | — | Jan 2026 |
| SScyAI | Pre-Seed | $2.4M | Jan 2026 |
 Feld Energy | Seed | $10.8M | Sep 2025 |
 LGND | Seed | $9M | Jul 2025 |
 Trawa | Series A | — | May 2025 |
 Monta | Series B | — | May 2025 |
 Beagle | Seed | — | Apr 2025 |
 EPYR | Pre-Seed | — | Jan 2025 |
| BBeagle Systems | Seed | — | Jan 2025 |
 Plume | Series A | $20M | Dec 2024 |
 Voltfang | Series A | — | Oct 2024 |
 Alcemy | Unknown | — | Jul 2024 |
| Trawa | Seed | $10.8M | May 2024 |
 ember | Series A | $13.9M | Mar 2024 |
| Voltfang | Seed | — | May 2023 |
 Agreena | Series B | — | Mar 2023 |
 ZeroAvia | Series B | $30M | Jul 2022 |
 XFuel | Series A | — | Jul 2022 |
 Hometree | Unknown | $46M | — |
 Zolar | Series D | — | — |
 Apiday | Series A | — | — |
 ARIS MACHINA | Pre-Seed | — | — |
 OCELL | Series A | — | — |
Top Co-Investors
PropTech13 shared
Daphni3 shared
Speedinvest3 shared
Inven Capital2 shared
Energy Impact Partners2 shared
Aurum Impact2 shared
Halogen Ventures2 shared
Magnetic2 shared
Balderton Capital2 shared
HV Capital2 shared
Norrsken VC2 shared
Headline2 shared
Union Square Ventures1 shared
HAX1 shared
noa1 shared
Phoenix Court Group1 shared
Oxford Capital1 shared
Latitude1 shared
FJ Labs1 shared
Last updated: 8 September 2026