Live shopping marketplace Whatnot has raised $265 million in a Series E funding round.The funding round, led by Greycroft, DST Global, and Avra, brings Whatnot's valuation to $4.97 billion.The capital will be used to promote the mainstreaming of livestream selling and expand into new markets, categories, and geographies.Whatnot hosts over 175,000 hours of livestreams each week and has seen significant growth in new sellers, first-time buyers, and sales volume.