BioStack raises $9.5 million for medical AI data
By Abha Lohia ·
BioStack: funding and every story →
- BioStack is a Y Combinator-backed startup that gathers scattered hospital records into complete patient files used to train and test medical AI models
- It raised $9.5 million in a round co-led by Peak XV, DCVC and Afore Capital to add more hospital partners
- The company works across India, the US, Brazil and Argentina and says it can reach over 100 million de-identified patient records
What happened
- BioStack raised $9.5 million in a funding round.
- Peak XV, DCVC and Afore Capital led the round.
- The money will widen its hospital partnerships.
- It will also build datasets to train and evaluate medical AI.
Why it matters
- Medical AI needs complete, linked patient data, which is usually scattered.
- Records such as scans, reports and prescriptions are joined into one patient view.
- De-identified data lets models learn without exposing patient names.
The business
- Healthcare data startup backed by Y Combinator
- Operates in India, the US, Brazil and Argentina
- Joins scans, pathology reports, prescriptions, treatment histories and outcomes
- Access to over 100 million de-identified patient records
- Customers are teams building medical AI
Who put in money
- Peak XV lead
- DCVC lead
- Afore Capital lead
In numbers
$9.5MFunding raised · 2026
100M+De-identified patient records accessible · 2026
What happens next
- Add more hospital partners
- Build more AI training datasets
Terms in this story
- Startup: A startup is a young company built to find a new way of doing something and to grow fast, usually by serving many customers at low extra cost. India's government also has a narrower legal definition that decides who gets scheme benefits.
- Accelerator: An accelerator is a short, intense programme that gives a startup a small investment, mentors and a network in exchange for equity. An incubator offers space, mentoring and services over a longer period, often at a university, and may or may not invest.
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