Tiny Health raises $33M Series B for microbiome testing

Tiny Health, an Austin-based startup, has secured $33 million in Series B funding to expand its at-home microbiome testing kits. The round was led by B Capital, with new and existing investors participating. The company's total funding now stands at $46 million. Tiny Health, initially focused on infant gut health, now reports adults are its largest customer group. CEO Cheryl Sew Hoy did not share revenue numbers but said annual revenue has more than doubled.

• Series B round led by B Capital
• Total funding now $46 million
• Adult tests now surpass infant segment
• B2B revenue grew fourfold last year
• No valuation or revenue numbers disclosed