RA Capital
Venture capital · Boston, Massachusetts, United States
Also listed as RA Capital Management
Portfolio collected from the firm’s website, last checked Jul 26, 2026.Raises and exits come from each company’s own SEC and company records.
107Deep-tech portfolio76 active
30Portfolio exitsAcquired or listed
11Raises, 12 monthsLatest: Navigator Medicines
117Co-investorsShare a portfolio company
Portfolio companies’ first raises and first grants, by year
First raisesFirst federal grants
The year each portfolio company first filed a Form D, and first won a federal grant. These describe the companies, not when this investor joined them.
Portfolio · 107 companies
| Company | Sector | Status | Latest raise | Raised |
|---|---|---|---|---|
| Navigator Medicines | Biotech | Active | Sep 25, 2026 | $60.0M |
| Typewriter Therapeutics | Biotech | Active | Sep 21, 2026 | $56.3M |
| Superluminal Medicines | Biotech | Active | Sep 3, 2026 | $116.2M |
| Memento Medicines | Biotech | Active | Jun 16, 2026 | $38.0M |
| Terremoto Biosciences | Biotech | Active | Apr 22, 2026 | $40.7M |
| Stipple Bio | Biotech | Active | Apr 6, 2026 | $86.6M |
| Slate Medicines | Biotech | Active | Mar 11, 2026 | $10.0M |
| ILiAD Biotechnologies | Biotech | Active | Feb 20, 2026 | $115.5M |
| Imbria Pharmaceuticals | Biotech | Active | Dec 16, 2025 | $140.2M |
| TRIANA Biomedicines | Biotech | Active | Dec 4, 2025 | $170.9M |
| VitriVax | Biotech | Active | Nov 17, 2025 | $29.4M |
| Star Therapeutics | Biotech | Active | Oct 6, 2025 | $125.0M |
| Gameto | Medtech | Active | Aug 26, 2025 | $116.6M |
| Apeiron Labs | Robotics | Active | Aug 19, 2025 | $12.7M |
| Sparrow Pharmaceuticals | Biotech | Active | Jul 1, 2025 | $73.2M |
| Sydnexis | Medtech | Active | Apr 15, 2025 | $72.3M |
| Vivace Therapeutics | Biotech | Active | Mar 12, 2025 | $60.5M |
| Bambusa Therapeutics | Biotech | Active | Feb 26, 2025 | $67.4M |
| Rivus Pharmaceuticals | Biotech | Active | Jan 16, 2025 | $223.5M |
| Sortera Technologies | Clean tech | Active | Oct 28, 2024 | $44.5M |
| Koloma | Energy | Active | Oct 15, 2024 | $394.5M |
| Convergent Therapeutics | Biotech | Active | Aug 13, 2024 | $51.4M |
| Outpace Bio | Biotech | Active | Aug 1, 2024 | $56.0M |
| Bright Peak Therapeutics | Biotech | Active | Jun 11, 2024 | $196.5M |
| TORL BioTherapeutics | Biotech | Active | Apr 17, 2024 | $158.3M |
| Kinaset Therapeutics | Biotech | Active | Jul 17, 2023 | $30.0M |
| Pluton Biosciences | Agritech | Active | Jun 2, 2023 | $24.3M |
| Avilar Therapeutics | Biotech | Active | Feb 13, 2023 | $20.3M |
| Secretome Therapeutics | Biotech | Active | Feb 2, 2023 | $6.9M |
| Adagio Medical | Medtech | Active | Nov 8, 2022 | $75.6M |
| Empatica | Medtech | Active | Aug 11, 2022 | $26.9M |
| Commonwealth Fusion Systems | Energy | Active | Dec 2, 2021 | $2.0B |
| Frontier Medicines | Biotech | Active | Jul 12, 2021 | $122.0M |
| NiKang Therapeutics | Biotech | Active | Jun 7, 2021 | $200.0M |
| Lyell Immunopharma | Biotech | Active | Mar 20, 2020 | $493.0M |
| Adcytherix | Biotech | Active | — | — |
| Alchemab Therapeutics | Biotech | Active | — | — |
| Alentis Therapeutics | Biotech | Active | — | — |
| Alpha-9 Oncology | Biotech | Active | — | — |
| AltruBio | Biotech | Active | — | — |
| Amplifier Therapeutics | Biotech | Active | — | — |
| Angitia Biopharmaceuticals | Biotech | Active | — | — |
| Artios | Biotech | Active | — | — |
| Artios Pharma | Biotech | Active | — | — |
| Asher Bio | Biotech | Active | — | — |
| Atavistik Bio | Biotech | Active | — | — |
| Avalanche Energy | Energy | Active | — | — |
| Azalea Therapeutics | Biotech | Active | — | — |
| BE Biopharma | Biotech | Active | — | — |
| cAMPfield Therapeutics | Biotech | Active | — | — |
| Claris Bio | Biotech | Active | — | — |
| Corxel | Biotech | Active | — | — |
| Delix Therapeutics | Biotech | Active | — | — |
| Diagonal Therapeutics | Biotech | Active | — | — |
| Element Biosciences | Semiconductors | Active | — | — |
| EvodiaBio | Biotech | Active | — | — |
| Forward Therapeutics | Biotech | Active | — | — |
| Innoventric | Medtech | Active | — | — |
| Ionis Pharmaceuticals | Biotech | Active | — | — |
| Magenta Medical | Medtech | Active | — | — |
| Nautilus Biotechnology | Biotech | Active | — | — |
| Nimbus Therapeutics | Biotech | Active | — | — |
| Optivolt | Clean tech | Active | — | — |
| Parabilis Medicines | Biotech | Active | — | — |
| Pinnacle Medicines | Biotech | Active | — | — |
| Poplar Therapeutics | Biotech | Active | — | — |
| Reframe Systems | Robotics | Active | — | — |
| Sidera Bio | Biotech | Active | — | — |
| Stylus Medicine | Biotech | Active | — | — |
| Synthekine | Biotech | Active | — | — |
| Trace Neuroscience | Biotech | Active | — | — |
| Ventus Therapeutics | Biotech | Active | — | — |
| Verdiva Bio | Biotech | Active | — | — |
| Voro Metals | Materials | Active | — | — |
| WhiteSwell | Medtech | Active | — | — |
| Windward Bio | Biotech | Active | — | — |
| Olema Pharmaceuticals | Biotech | Public | Dec 12, 2024 | $503.5M |
| Candid Therapeutics | Biotech | Acquired | Sep 13, 2024 | $206.2M |
| Halda Therapeutics | Biotech | Acquired | Aug 12, 2024 | $197.9M |
| Ajax Therapeutics | Biotech | Acquired | May 13, 2024 | $140.4M |
| Bluejay Therapeutics | Biotech | Acquired | May 10, 2024 | $221.7M |
| Cidara Therapeutics | Biotech | Acquired | May 6, 2024 | $349.1M |
| Jnana Therapeutics | Biotech | Acquired | Jan 26, 2024 | $110.0M |
| Voyager Therapeutics | Biotech | Public | Jan 17, 2024 | $119.0M |
| Relay Therapeutics | Biotech | Public | Jan 10, 2024 | $30.0M |
| Aliada Therapeutics | Biotech | Acquired | Dec 30, 2022 | $33.0M |
| Solid Biosciences | Biotech | Public | Dec 9, 2022 | $109.2M |
| Janux Therapeutics | Biotech | Public | Apr 30, 2021 | $192.4M |
| Entrada Therapeutics | Biotech | Public | Apr 13, 2021 | $150.9M |
| Absci | Biotech | Public | Mar 30, 2021 | $216.0M |
| Vividion Therapeutics | Biotech | Acquired | Mar 2, 2021 | $240.7M |
| Silverback Therapeutics | Biotech | Acquired | Oct 6, 2020 | $139.3M |
| Atea Pharmaceuticals | Biotech | Public | May 29, 2020 | $155.9M |
| Cerebral Therapeutics | Biotech | Closed | Jan 17, 2020 | $22.5M |
| Akero Therapeutics | Biotech | Acquired | Dec 18, 2018 | $45.5M |
| Synthorx | Biotech | Acquired | Apr 27, 2018 | $34.7M |
| Eidos Therapeutics | Biotech | Acquired | Apr 12, 2018 | $26.0M |
| Prevail Therapeutics | Biotech | Acquired | Mar 14, 2018 | $57.0M |
| Obsidian Therapeutics | Biotech | Public | Dec 8, 2017 | $32.4M |
| Freenome | Medtech | Public | Oct 28, 2015 | $800K |
| Syndax Pharmaceuticals | Biotech | Public | Aug 28, 2015 | $139.5M |
| Ambros Therapeutics | Biotech | Acquired | — | — |
| Hemab Therapeutics | Biotech | Public | — | — |
| Karuna Therapeutics | Biotech | Acquired | — | — |
| Morphic Therapeutic | Biotech | Acquired | — | — |
| Prime Medicine | Biotech | Public | — | — |
| Sionna Therapeutics | Biotech | Public | — | — |
Peer ranks
Portfolio size#2
Portfolio exits#1
Raises, 12 months#1
Co-investors#1
Co-investors
- Third Rock VenturesVenture capital15 shared
- Atlas VentureVenture capital11 shared
- Foresite CapitalVenture capital8 shared
- Biotechnology Value FundVenture capital6 shared
- OrbiMedVenture capital6 shared
- ARCH VentureVenture capital5 shared
- GVVenture capital5 shared
- Avalon VenturesVenture capital4 shared
- RTW InvestmentsVenture capital4 shared
- SchrödingerVenture capital4 shared
Sectors
- Biotech89
- Medtech8
- Energy3
- Robotics2
- Clean tech2
- Semiconductors1
- Agritech1
- Materials1
Portfolios are collected from investors’ own websites and matched to tracked deep-tech companies by name; duplicate listings of the same firm are merged. Exits and raises come from each company’s own record: Form D through the latest filing.