Alexandria Venture Investments
Venture capital
Portfolio collected from the firm’s website, last checked Jun 28, 2026.Raises and exits come from each company’s own SEC and company records.
8Deep-tech portfolio6 active
2Portfolio exitsAcquired or listed
1Raises, 12 monthsLatest: Mediar Therapeutics
46Co-investorsShare a portfolio company
Portfolio · 8 companies
| Company | Sector | Status | Latest raise | Raised |
|---|---|---|---|---|
| Mediar Therapeutics | Biotech | Active | Dec 23, 2025 | $74.6M |
| Affinia Therapeutics | Biotech | Active | Oct 14, 2025 | $170.1M |
| ARTBIO | Biotech | Active | — | — |
| Cartography Biosciences | Biotech | Active | — | — |
| Haya Therapeutics | Biotech | Active | — | — |
| Kymera Therapeutics | Biotech | Active | — | — |
| Neurona Therapeutics | Biotech | Acquired | Apr 4, 2025 | $282.8M |
| Relay Therapeutics | Biotech | Public | Jan 10, 2024 | $30.0M |
Peer ranks
Portfolio size#53
Portfolio exits#103
Raises, 12 months#22
Co-investors#32
Co-investors
- Atlas VentureVenture capital3 shared
- Sofinnova VenturesVenture capital3 shared
- Apple Tree PartnersVenture capital2 shared
- Bay City CapitalVenture capital2 shared
- Biotechnology Value FundVenture capital2 shared
- EcoR1 CapitalVenture capital2 shared
- F-Prime CapitalVenture capital2 shared
- Logos CapitalVenture capital2 shared
- MRL Ventures FundVenture capital2 shared
- Omega FundsVenture capital2 shared
Sectors
- Biotech8
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.