BioStack raises $9.5 million seed round led by Peak XV and others

BioStack has raised $9.5 million (₹90.4 Cr) in seed funding, as reported by Entrackr, Inc42 and The Economic Times. The investors are Peak XV, Afore Capital, DCVC, Emerson Collective, SV Angel, Verdict Capital, Streamlined Ventures and Y Combinator. The Economic Times described the startup as Y Combinator-backed.

BioStack was founded in 2025 by Sanat Mishra and Parth Patwa, first reported by Inc42. Mishra is cofounder and CEO. The company builds healthcare data infrastructure. It links scattered clinical information into longitudinal patient records and creates datasets for research, drug development and training and testing healthcare AI. It works in the US, India, Brazil and Argentina.

Entrackr and The Economic Times report that the company has access to more than 100 million patient records with identifying details removed. Inc42 says the startup claims to have processed 10 Cr de-identified patient records. Entrackr also mentions millions of recorded telehealth conversations and hundreds of thousands of medical scans, including X-rays, MRIs and CT scans. Inc42 first reported this quote from Mishra: "We’re building the infrastructure that connects all of the clinical information and makes it useful, both for clinicians making decisions today and for the researchers and AI developers building the future of medicine,"

In India, BioStack puts cancer patients in touch with a cancer vaccine programme that is investigational. The new money will go to international expansion, technology development and hiring across engineering and research.