Tiny Health Raises $33 Million in Series B Funding
Tiny Health, based in Austin, Texas, has successfully raised $33 million in a Series B funding round led by B Capital. The company focuses on helping families understand and optimize their microbiomes through at-home gut health tests suitable for all ages. This latest funding round aims to enhance the reach and effectiveness of their microbiome testing solutions.
Investors and Funding Details
The Series B round, finalized on September 29, 2026, saw participation from an array of investors, including Spero Ventures, The Venture City, Overwater Ventures, Black Opal Ventures, Denver Ventures, Pave Health Ventures, Alumni Ventures, Gaingels, and Pari Passu Ventures, alongside the lead investor, B Capital. This brings Tiny Health's total funding to $46 million.
Company Overview
Founded by CEO Cheryl Sew Hoy and Co-Founder Donald Koo, Tiny Health offers innovative solutions for monitoring and optimizing family microbiomes. Their platform provides insights into gut and vaginal microbiomes, allowing users to detect imbalances early and take preventive actions. Cheryl Sew Hoy commented, "Our goal is to make microbiome intelligence a central part of precision health."
Use of Funds
The newly acquired capital will support the launch of a $5 million Microbiome Research Program aimed at accelerating microbiome research. This initiative seeks to bridge the gap between scientific discovery and clinical application, focusing on the role of the gut microbiome in immune health, metabolism, and chronic diseases.
Market Context
As evidence grows connecting gut microbiomes with various health outcomes, Tiny Health is positioned to capitalize on increasing interest in precision medicine. With a significant portion of the U.S. population dealing with chronic conditions, the company's offerings are becoming increasingly relevant in addressing these health challenges.
For more information, visit their website at tinyhealth.com.