Tiny Health is an Austin, Texas-based microbiome testing platform offering at-home gut and vaginal microbiome tests spanning pregnancy, infancy and adulthood. Its tests use shotgun metagenomic sequencing to detect microbes across more than 120,000 genomes at strain level, processed in CLIA-certified labs, and pair results with science-backed action plans. Founded in 2020 by Cheryl Sew Hoy, the company has served nearly 200,000 customers and more than 6,000 healthcare practitioners through its consumer tests and its B2B platform Powered by Tiny, which grew 4x in the past year with enterprise partners including Fullscript, Mayo Clinic Executive Health and Longevity Programs, and Superpower.
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Sep 29, 2026
Latest raise
Funding activity · 1 round
Sep 29, 2026
$33M
Series B
Led by B Capital
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