Funds, angels and corporates active in European rounds
| Investor | Type | Deals | Companies | Top sector | Active |
|---|---|---|---|---|---|
| OCP Finance | Investment firm | 1 | 1 | Software | 2016 |
| OCS | — | 1 | 1 | Fintech | 2021 |
| Octalfa | — | 1 | 1 | Healthtech | 2016 |
| OCTAVE Capital | Venture capital | 1 | 1 | Energy | 2025 |
| Octave Klaba | Angel | 1 | 1 | Deeptech | 2021 |
| Octerra Capital | Venture capital | 1 | 1 | Software | 2025 |
| Octopus Energy Generation | Investment firm | 1 | 1 | Cleantech | 2026 |
| Octopus Renewables | Corporate | 1 | 1 | Energy | 2021 |
| Octopus SS | Venture capital | 1 | 1 | Cloud | 2025 |
| Octopus Ventures' First Cheque Fund | Investment firm | 1 | 1 | AI | 2026 |
| Octupus Ventures | — | 1 | 1 | Foodtech | 2018 |
| OCV | Venture capital | 1 | 1 | Cybersecurity | 2020 |
| ODBA VC | Venture capital | 1 | 1 | Fintech | 2022 |
| Oddiyana Ventures | Venture capital | 1 | 1 | Fintech | 2024 |
| ODDO BHF | — | 1 | 1 | Fintech | 2018 |
| Oddo & Cie | — | 1 | 1 | Fintech | 2016 |
| ODE Capital | Venture capital | 1 | 1 | AI | 2024 |
| Oded Vardi | — | 1 | 1 | Media | 2017 |
| Odessa iQSpace | Accelerator | 1 | 1 | Healthtech | 2016 |
| Odey Asset Management | — | 1 | 1 | E-commerce | 2014 |
| Odfjell Family Office | Venture capital | 1 | 1 | Energy | 2025 |
| ODTÜ Teknokent | Venture capital | 1 | 1 | Gaming | 2023 |
| Odyssey Investment Partners | — | 1 | 1 | Software | 2015 |
| OECO group | Venture capital | 1 | 1 | Fintech | 2022 |
| Oetinger Publishing Group | Venture capital | 1 | 1 | Edtech | 2025 |