MobiHealth News November 24, 2025
Jessica Hagen

Nest Health closes a $22.5 million Series A round, and Revian secures $13 million in funding for its hair growth device.

Function, a whole-body health company, announced it secured $298 million in an oversubscribed Series B round, boosting its valuation to $2.5 billion.

Redpoint Ventures participated in the round, with participation from numerous investors, including a16z, Roku founder Anthony Wood, WNBA’s Breanna Stewart, NFL’s Caleb Williams, WNBA’s Diana Taurasi, Magic Johnson, Matt Damon, Menlo Ventures, Motley Fool Ventures, Samsung Next, Vanderbilt University and Zac Efron.

The Texas-based company, which last year raised $53 million in Series A funding, offers 100+ lab tests, including biomarkers that help monitor for early indicators of diseases. Based on the results, users obtain a clinician’s...

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