Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Oscar, Tom and Edward Höglund | Angel | 1 | 1 | Software | 2025 |
| Oscar Valledor | Angel | 1 | 1 | E-commerce | 2021 |
| Oscar Werner | Angel | 1 | 1 | Fintech | 2024 |
| Oscar Zerbinati | — | 1 | 1 | Foodtech | 2017 |
| Oser BFC | Venture capital | 1 | 1 | Foodtech | 2025 |
| Oshen Holdings | Venture capital | 1 | 1 | Healthtech | 2024 |
| Oskar Hjertonsson | Angel | 1 | 1 | AI | 2025 |
| Oskar Obereder | Angel | 1 | 1 | Healthtech | 2023 |
| Oskari Pétas | Angel | 1 | 1 | Foodtech | 2022 |
| Oslo Venture Company | Venture capital | 1 | 1 | Space | 2025 |
| Osman Arlı | Angel | 1 | 1 | Cleantech | 2022 |
| Osman Hizli | Angel | 1 | 1 | Software | 2025 |
| OSOM Finance | Venture capital | 1 | 1 | Fintech | 2022 |
| Ospraie Ag Sciences | Venture capital | 1 | 1 | Agritech | 2019 |
| Osprey Investors | Venture capital | 1 | 1 | Software | 2025 |
| Osters & Voß | Corporate | 1 | 1 | Agritech | 2023 |
| Ostoya Capital | Private equity | 1 | 1 | E-commerce | 2021 |
| Ostrom | Venture capital | 1 | 1 | Healthtech | 2023 |
| Ostsächsische Sparkasse Dresden | Venture capital | 1 | 1 | Energy | 2025 |
| Ostsäschsische Sparkasse and Bürgschaftsbank Sachsen | — | 1 | 1 | Software | 2018 |
| Ostwerk GmbH | Venture capital | 1 | 1 | Healthtech | 2026 |
| Oterap | Venture capital | 1 | 1 | Agritech | 2024 |
| other Angels | — | 1 | 1 | Edtech | 2015 |
| other entrepreneurs | Angel | 1 | 1 | Robotics | 2026 |
| other family funds | Venture capital | 1 | 1 | Energy | 2023 |