Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| Optimality Fund | Venture capital | 1 | 1 | Deeptech | 2022 |
| Optinator | — | 1 | 1 | Fintech | 2017 |
| Opus 11 VC | Venture capital | 1 | 1 | Transportation | 2023 |
| Ora Capital Partners | Venture capital | 1 | 1 | Deeptech | 2022 |
| Ora Global | Venture capital | 1 | 1 | Transportation | 2025 |
| Oracles Investments Group | Venture capital | 1 | 1 | Fintech | 2021 |
| Orange DAO | Venture capital | 1 | 1 | Fintech | 2022 |
| Orange Growth Capital (OGC) | — | 1 | 1 | Software | 2017 |
| Orange Wings | Venture capital | 1 | 1 | AI | 2022 |
| Orange Wings Investments a.o. | Venture capital | 1 | 1 | Energy | 2024 |
| OrangeFund | Venture capital | 1 | 1 | Software | 2025 |
| Orasis fund | Investment firm | 1 | 1 | Fintech | 2023 |
| Orbia Ventures | Venture capital | 1 | 1 | Software | 2022 |
| OrbiMed Israel Partners | — | 1 | 1 | Healthtech | 2017 |
| ORBIS | Venture capital | 1 | 1 | Energy | 2025 |
| Orbis Tecnología Eléctrica | Corporate | 1 | 1 | Energy | 2023 |
| Orbita Investment Club | Investment firm | 1 | 1 | Gaming | 2025 |
| Orbital Ventures fund | Venture capital | 1 | 1 | Transportation | 2021 |
| OrcaDAO | Venture capital | 1 | 1 | Software | 2022 |
| Orchard Venture Capital | Venture capital | 1 | 1 | Energy | 2022 |
| Orchestra BioMed | Venture capital | 1 | 1 | Healthtech | 2022 |
| Orchilla | Venture capital | 1 | 1 | Cleantech | 2021 |
| Orçun Şimşek | Angel | 1 | 1 | Software | 2025 |
| Orderbird | Angel | 1 | 1 | Foodtech | 2022 |
| Orderly | Venture capital | 1 | 1 | Fintech | 2026 |