Medicxi is a European life sciences venture capital firm focused on biotech and healthcare investing. Founded in 2016 by the former Index Ventures life sciences team, it pioneered an 'asset-centric' approach, building new companies around one or a few experimental products rather than broad platforms.
36% of their portfolio is in Biotech & Life Sciences. Average disclosed round size is $93.2M (across 40 rounds with reported amounts).
Portfolio
39
Fund Size
$581M
Top Stage
Series B
Last 12 Mo
6
Team
Nick Williams
Partner
Shyam Masrani
Partner
Ben Perry
Investment Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
56 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Vaderis Therapeutics | Unknown | $152M | Oct 2026 |
 Vaderis Therapeutics | Series B | $152.5M | Aug 2026 |
 Fore Biotherapeutics | Unknown | $67.4M | Jul 2026 |
| EEthyreal | Unknown | $101M | Jun 2026 |
| AAltesa Biosciences | Series B | $75M | Feb 2026 |
| AAltesa | Series B | $75M | Feb 2026 |
 D3 Bio | Series C | — | Dec 2025 |
| Fore Biotherapeutics | Series D | $38M | May 2025 |
| FFore Bio | Series D | $38M | May 2025 |
| CCurevo Vaccine | Series B | $110M | Mar 2025 |
| CCurevo Vaccine (Curevo) | Series B | $110M | Mar 2025 |
| CCurevo Vaccine | Series B | $110M | Jan 2025 |
| CCurevo Vaccine (Curevo) | Series B | $110M | Jan 2025 |
| FFore Bio | Series C | $57M | Jan 2025 |
 RAPT Therapeutics | Series D | $150M | Dec 2024 |
| OOttimo | Series A | $140M | Dec 2024 |
 Vicebio | Series B | $100M | Sep 2024 |
| D3 Bio | Unknown | $62M | Apr 2024 |
 ProfoundBio | Series B | $112M | Feb 2024 |
| OOttimo | Series A | $140M | Jan 2024 |
 Rivus Pharmaceuticals | Series B | $132M | Sep 2022 |
| RRivus | Series B | $132M | Sep 2022 |
 MiroBio | Series B | — | Jul 2022 |
| MiroBio | Series B | $97M | Jan 2022 |
| RRivus Pharma | Series B | $132M | Jan 2022 |
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Top Co-Investors
OrbiMed15 shared
RA Capital Management13 shared
Longitude Capital9 shared
HBM Healthcare Investments8 shared
Sanofi Ventures6 shared
Omega Funds6 shared
Wellington Management5 shared
Cormorant Asset Management5 shared
SR One5 shared
Samsara BioCapital5 shared
Bain Capital Life Sciences4 shared
Perceptive Advisors4 shared
Decheng Capital4 shared
Cambridge Enterprise4 shared
Atlas Venture4 shared
EQT Life Sciences4 shared
Osage University Partners3 shared
Forbion3 shared
Hercules Capital, Inc.3 shared
Janus Henderson Investors3 shared
Last updated: 20 October 2026