Chai Discovery
Building AI models to accelerate pre-clinical drug discovery
$400MSeries C
Role not disclosedIV
Index Ventures
Activity from announced rounds
Activity in this selectionOct 24, 2026 · Biotech · Jan 1, 2026
Index Ventures invests across technology sectors from seed through venture and growth, with teams in San Francisco, New York and London.
The firm publishes practical research for founders through Index Press. Its resources address three distinct scaling decisions: structuring employee stock options, building an organisation as headcount expands and entering the US market.
OptionPlan, TeamPlan and ExpansionPlan accompany the research with planning tools. These resources are particularly useful when fundraising is tied to hiring, opening a US operation or redesigning compensation as a company moves beyond its founding team.
- Rounds participated in
- 2
- Confirmed lead rounds
- — 2 roles undisclosed
- New companies
- 2 First participation on record · 0 follow-on
- Funding in participating rounds
- $403.5M 2 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
2 in this selectionSequential
Develops non-invasive multi-omic testing platform for skin health and cosmetics using AI and microbiome analysis
$3.5MSeed
Role not disclosed