R42 is a venture fund and institute established out of Dr. Ronjon Nag's family office that invents, invests, and informs at the intersection of AI and biology. It invests directly in deep-science startups and as an LP in other funds, supporting ventures from the pre-seed inventing stage through growth.
They made 1 investment in the last 12 months. Their most common stage is seed (62% of deals). Average disclosed round size is $15.1M (across 4 rounds with reported amounts).
Portfolio
8
Fund Size
—
Top Stage
Seed
Last 12 Mo
1
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
8 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Cordance | Seed | $8M | Nov 2025 |
 Healx | Series C | $47M | Aug 2024 |
 Abselion | Series A | — | Jan 2024 |
 WiseWorks | Seed | $1.2M | Jul 2022 |
| Sstampfree.ai | Seed | — | Jan 2021 |
 Xwatts | Seed | — | — |
 HexagonFab | Series A | — | — |
| KKetoSwiss | Seed | $4M | — |
Top Co-Investors
Cambridge Angels3 shared
Untitled2 shared
BGF2 shared
M Ventures2 shared
Atomico1 shared
Balderton Capital1 shared
VU Venture Partners1 shared
Global Brain Corporation1 shared
SyndicateRoom1 shared
Founders Factory1 shared
Crowdcube1 shared
Republic1 shared
Seedrs1 shared
Cambridge Enterprise1 shared
Parkwalk Advisors1 shared
private angel investors1 shared
Antler1 shared
Brain Tumor Investment Fund1 shared
Aquiline Capital Partners1 shared
Last updated: 7 October 2026