The live auction platform closed a $545 million Series G at a $20 billion valuation, nearly doubling its worth in under a year. For co-founders Grant LaFontaine and Logan Head, who launched the company in December 2019, the valuation leap represents a staggering wealth creation event. From Funko Pops to $20 billionThe company’s previous raise was a $225 million Series F in October 2025, which valued it at $11.5 billion. Marketplaces live and die by supply quality, and Whatnot needs to continuously attract and retain sellers who can deliver compelling live auction experiences. At a $20 billion valuation, Whatnot is now one of the most valuable private companies in the US.