Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Marko Wenthin | Angel | 2 | 1 | Fintech | 2022–2023 |
| Markus Buchner | Angel | 2 | 1 | Telecom | 2024–2026 |
| Markus Lienkamp | Angel | 2 | 1 | Transportation | 2022–2023 |
| Marlin Equity Partners | Private equity | 2 | 2 | Fintech | 2021–2025 |
| Marque VC | Venture capital | 2 | 1 | Cybersecurity | 2023 |
| Marshall Wace | Venture capital | 2 | 2 | Fintech | 2022 |
| Mart Abramov | Angel | 2 | 2 | Legaltech | 2021–2025 |
| Mart Kelder | — | 2 | 2 | Software | 2008 |
| Martin Blüggel | Angel | 2 | 2 | Healthtech | 2025 |
| Martin Böhringer | Angel | 2 | 2 | Software | 2021 |
| Martin Dunford | — | 2 | 2 | Media | 2010 |
| Martin Eggert | Angel | 2 | 1 | Software | 2021 |
| Martin Global | — | 2 | 2 | Media | 2016–2017 |
| Martin Goroško | Angel | 2 | 1 | Healthtech | 2023–2026 |
| Martin Herrmann | Angel | 2 | 2 | Cleantech | 2021–2024 |
| Martin Kissinger | Angel | 2 | 2 | Fintech | 2022–2024 |
| Martin Klässner | Angel | 2 | 2 | Healthtech | 2021–2022 |
| Martin Kõiva | Angel | 2 | 2 | Fintech | 2024 |
| Martin Lykke Suhr | Angel | 2 | 2 | Fashion | 2023 |
| Martin Mazur | Angel | 2 | 2 | Cloud | 2023–2024 |
| Martina Merz | Angel | 2 | 2 | Cleantech | 2025 |
| Marvelous | Venture capital | 2 | 2 | Deeptech | 2025–2026 |
| Masawa | Investment firm | 2 | 2 | Healthtech | 2022–2025 |
| Massimo Ferro | Angel | 2 | 2 | AI | 2021–2022 |
| Massimo 'Max' Agostinelli | Angel | 2 | 1 | Cybersecurity | 2008–2009 |