Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Orion Securities | Venture capital | 1 | 1 | Transportation | 2023 |
| Orion Universal | Investment firm | 1 | 1 | Edtech | 2023 |
| Orion Valves | Venture capital | 1 | 1 | Energy | 2026 |
| ORIX Ventures | — | 1 | 1 | Media | 2012 |
| Oriza Ventures | Venture capital | 1 | 1 | Wellness & Beauty | 2022 |
| Orizon Group | Corporate | 1 | 1 | Foodtech | 2023 |
| Orizzonte SGR | Investment firm | 1 | 1 | Hardware | 2015 |
| Orkla Care | Corporate | 1 | 1 | Foodtech | 2021 |
| Orkla Ventures and Almi Invest. | — | 1 | 1 | Cleantech | 2020 |
| Orkun Beyaz | Angel | 1 | 1 | Software | 2022 |
| Orkun Ürkmez | Angel | 1 | 1 | Agritech | 2022 |
| Orlando Bloom | Angel | 1 | 1 | E-commerce | 2023 |
| Orlando Health | — | 1 | 1 | Healthtech | 2021 |
| Orny Holding | Corporate | 1 | 1 | Software | 2021 |
| ORR Partners | Venture capital | 1 | 1 | Software | 2018 |
| Ortus Capital | Venture capital | 1 | 1 | Energy | 2025 |
| Oryx Fund | Venture capital | 1 | 1 | Software | 2021 |
| Orzyn Capital | — | 1 | 1 | AI | 2017 |
| Osage Ventures Partners | Venture capital | 1 | 1 | Software | 2025 |
| Osage University Partners | Venture capital | 1 | 1 | Cybersecurity | 2023 |
| Osaka Gas | Corporate | 1 | 1 | Energy | 2021 |
| Osborne Partners | — | 1 | 1 | Agritech | 2016 |
| Oscar Farinetti | Angel | 1 | 1 | Edtech | 2025 |
| Óscar Fuente | Angel | 1 | 1 | Edtech | 2022 |
| Oscar Hartmann | — | 1 | 1 | Software | 2017 |