Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Jacob Haddad | Angel | 2 | 2 | Healthtech | 2021–2023 |
| Jacob Key | — | 2 | 2 | Media | 2015 |
| Jacob Wandt | Angel | 2 | 2 | Software | 2017–2018 |
| Jacob Wolff-Petersen | Angel | 2 | 2 | Cleantech | 2022–2024 |
| Jadeberg Partners | Investment firm | 2 | 1 | Marketing | 2015–2016 |
| Jaguar Land Rover | Venture capital | 2 | 2 | Software | 2018–2021 |
| Jaime Diaz | Angel | 2 | 1 | Consumer | 2009–2010 |
| Jakob Schreyer | Angel | 2 | 2 | Fintech | 2022–2023 |
| Jalal Bagherli | Angel | 2 | 1 | Semiconductors | 2022–2025 |
| James Lindenbaum | — | 2 | 2 | Software | 2011–2016 |
| James Meekings | Angel | 2 | 2 | Software | 2021 |
| JamJar Investors | — | 2 | 2 | Cleantech | 2018–2024 |
| Jan Delaere | Angel | 2 | 2 | HRtech | 2026 |
| Jan-Hendrik Goldbeck | Angel | 2 | 2 | Cleantech | 2023–2024 |
| Jan Rabe | Angel | 2 | 2 | Energy | 2024–2025 |
| Jan Schächtele | Angel | 2 | 2 | HRtech | 2022–2024 |
| Jan Trionow | Angel | 2 | 1 | Telecom | 2024–2026 |
| Jan Weischer | Angel | 2 | 2 | Transportation | 2021–2022 |
| Jane Street Capital | Venture capital | 2 | 2 | Healthtech | 2022 |
| Jane Walerud | — | 2 | 2 | Wellness & Beauty | 2018 |
| Janngo.africa | Venture capital | 2 | 2 | Fintech | 2025 |
| Janus Friis | — | 2 | 1 | Robotics | 2014–2015 |
| Jared Smith | — | 2 | 2 | Software | 2020–2024 |
| Jarno Vanhatapio | Angel | 2 | 2 | E-commerce | 2021 |
| Javier Darriba | Angel | 2 | 2 | Proptech | 2024–2025 |
