# Tiny Health

> Microbiome testing and intelligence platform with at-home gut and vaginal health products; raised $33M Series B led by B Capital in September 2026.

## Why it is interesting

Tiny Health markets microbiome insights across consumer and provider channels, moving beyond infant gut testing to adult and reproductive health. Its growth must be assessed separately from clinical evidence that microbiome test results improve specific health outcomes.

## Profile

- **Latest funding:** Series B — $33M (September 29, 2026)
- **Latest known valuation:** Undisclosed (September 29, 2026)
- **Total disclosed equity funding:** $33M
- **Stage:** series-b
- **Status:** private
- **Industries:** healthtech, biotech-life-sciences
- **Coverage:** full
- **Last updated:** 2026-10-29
- **Latest funding investors:** B Capital, Alumni Ventures, Black Opal Ventures, Denver Ventures, Pave Health Ventures, Gaingels, Pari Passu Ventures, Spero Ventures, TheVentureCity, Overwater Ventures

## Key facts

- September 29, 2026: $33M Series B led by B Capital; total reported funding $46M.
- Alumni Ventures specifically named as a new Series B investor.
- Company reported nearly 200,000 customers and over 6,000 practitioners served.

## Funding history

- Series B · $33M · September 29, 2026
  Source: https://www.tinyhealth.com/blog/tiny-health-series-b-letter-from-cheryl-sew-hoy

## Investors in our directory

- https://venturecapitaltracker.com/fund/alumni-ventures

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** October 29, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/tiny-health