Tiny Health Raises $33M Series B

Tiny Health, based in Austin, Texas, is a microbiome intelligence company that has raised $33 million in a Series B funding round, bringing its total funding to $46 million.

Investors

The round was led by B Capital, with participation from existing investors Spero Ventures, The Venture City, and Overwater Ventures. Additional investors include Black Opal Ventures, Denver Ventures, Pave Health Ventures, Alumni Ventures, Gaingels, and Pari Passu Ventures.

Tiny Health Use of Funds

Tiny Health plans to use the Series B capital to advance clinical research and interventional studies, expand educational resources for healthcare practitioners, and scale Powered by Tiny, its business-to-business platform for healthcare and precision health organizations. Additionally, the funding will support the acceleration of TinyAI, an artificial intelligence system trained on the company's proprietary dataset of nearly 200,000 microbiome profiles.

About Tiny Health

Founded in 2020 by CEO Cheryl Sew Hoy, Tiny Health provides a microbiome intelligence platform that delivers personalized health guidance. The company utilizes shotgun metagenomic sequencing and proprietary AI to analyze microbiome profiles, supporting individuals and healthcare practitioners across the full lifespan, from early-life health to longevity and healthy aging applications.

Funding Details

Company Website: https://tinyhealth.com

Company: Tiny Health
Raised: $33M
Round: Series B
Funding Date: September 29, 2026
Lead Investor: B Capital
Additional Investors: Spero Ventures, The Venture City, Overwater Ventures, Black Opal Ventures, Denver Ventures, Pave Health Ventures, Alumni Ventures, Gaingels, Pari Passu Ventures
Software Category: HealthTech / Bioinformatics
Source: https://www.citybiz.co/article/910637/tiny-health-raises-33-million-series-b-to-expand-microbiome-intelligence-platform/