Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Stefan Krook | — | 2 | 2 | Consumer | 2018–2024 |
| Stefan Lauer | Angel | 2 | 2 | Sports | 2023 |
| Stefan Lederer | Angel | 2 | 1 | Software | 2024–2025 |
| Stefan Lennhammer | — | 2 | 2 | Marketing | 2017 |
| Stefan Mahlstein | Angel | 2 | 2 | Edtech | 2021–2026 |
| Stefan Peukert | Angel | 2 | 2 | Edtech | 2023–2024 |
| Stefan Speiser | Angel | 2 | 1 | Legaltech | 2024 |
| Stefan Tournoy | Angel | 2 | 2 | AI | 2022–2026 |
| Stefan Wiskemann | — | 2 | 2 | Consumer | 2007–2025 |
| Steffen Tjerrild | Angel | 2 | 2 | Fintech | 2026 |
| Stella Maris Partners | — | 2 | 2 | Edtech | 2016–2024 |
| Stellantis Ventures | Venture capital | 2 | 2 | Semiconductors | 2024 |
| Stellar Ventures | Venture capital | 2 | 1 | Energy | 2024–2026 |
| Stellar Solutions | Venture capital | 2 | 1 | Space | 2021–2023 |
| Stenshagen Invest | Venture capital | 2 | 2 | E-commerce | 2021–2022 |
| Step Fund | Venture capital | 2 | 2 | Fintech | 2026 |
| Stephan Berendsen | Angel | 2 | 2 | Hardware | 2023 |
| Stephan Mahlow | Angel | 2 | 2 | Edtech | 2021–2022 |
| Stephan Matz | Angel | 2 | 1 | Transportation | 2022–2023 |
| Stephan Rohr | Angel | 2 | 2 | Cleantech | 2022–2023 |
| Stephan Thoma | — | 2 | 2 | Edtech | 2017–2021 |
| Stéphane Distinguin | Angel | 2 | 2 | Software | 2023–2024 |
| Stéphane Pictet | Angel | 2 | 2 | HRtech | 2021 |
| Stephane Richard | — | 2 | 2 | Hardware | 2017 |
| Stéphane Romanyszyn | — | 2 | 2 | — | — |
