InvestmentsTop Global NewsMarketsReal Estate BlackRock becomes Authentic Brands’ largest shareholder with US$875 million stake By financialnews_rlv83x - August 11, 2019 0 127 BlackRock Inc is taking a stake in Authentic Brands Group LLC in a deal valuing the U.S.-based entertainment company at more than US$4 billion including debt, the Wall Street Journal reports on Sunday citing sources.