Roc Nation, Fanatics among investors in acquisition of Lakewood Ranch company

LAKEWOOD RANCH — Giant global investment firm Blackstone, with $650 billion in assets, has acquired a majority stake in the Certified Collectibles Group — in a transaction that valued the company at more than $500 million. A host of other prominent investors and celebrities are also part of the investment. 

Mark Salzberg, CCG’s founder, and Steven Eichenbaum, CCG’s CEO, will retain a significant minority stake in the business after the sale, according to a statement. They will also retain their leadership positions. Blackstone’s funding is managed by its Tactical Opportunities business.