Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Jean-Gabriel Levon | Angel | 2 | 2 | Cleantech | 2022 |
| Jean-Louis Quéguiner | Angel | 2 | 2 | Software | 2024–2025 |
| Jean Romain Lhomme | Angel | 2 | 2 | Fintech | 2017 |
| Jeff Clavier | Angel | 2 | 2 | Media | 2006 |
| Jefferies | Bank | 2 | 2 | Fintech | 2023–2025 |
| Jeffrey Katzenberg | Angel | 2 | 2 | Software | 2021 |
| Jellyfish Invest | Venture capital | 2 | 2 | Software | 2020–2021 |
| Jellysmack | Venture capital | 2 | 2 | Media | 2021–2022 |
| Jenny Saft | Angel | 2 | 2 | Foodtech | 2022–2023 |
| Jens Lapinski | Angel | 2 | 2 | Cleantech | 2021 |
| Jeroen Tas | Angel | 2 | 2 | Healthtech | 2024–2025 |
| Jeroen ter Huurne | Angel | 2 | 2 | Fintech | 2024–2025 |
| Jerome Lecat | — | 2 | 2 | Agritech | 2011–2016 |
| Jerry Yang | — | 2 | 2 | Fintech | 2013–2022 |
| Jessica Holzbach | Angel | 2 | 2 | Fintech | 2023–2025 |
| Jesús Alonso Gallo | Angel | 2 | 2 | Foodtech | 2021–2022 |
| Jesús Mantas | Angel | 2 | 1 | Foodtech | 2022–2023 |
| Jim Hagemann Snabe | Angel | 2 | 2 | Cleantech | 2022–2025 |
| Joachim Hedenius | Angel | 2 | 2 | E-commerce | 2021–2022 |
| Joakim Achrén | Angel | 2 | 2 | Gaming | 2022 |
| Joan Álvarez | Angel | 2 | 2 | E-commerce | 2021–2022 |
| Joaquim Sérvulo Rodrigues | Angel | 2 | 1 | Energy | 2023–2024 |
| JOBI Capital | Venture capital | 2 | 1 | Software | 2017–2018 |
| Jochen Schweizer | Angel | 2 | 2 | Travel | 2015–2016 |
| Joe Falter | Angel | 2 | 2 | Energy | 2022–2023 |
