ROCK
Holding CompaniesMichigan, United States201-500 Employees
ROCK operates as the family office and holding umbrella for the Gilbert family's business interests, based in downtown Detroit. It connects more than 100 entities that comprise the Family of Companies, including Rocket Companies, StockX, Bedrock, and the Cleveland Cavaliers. The organization coordinates governance and strategic resources across these ventures to support collective aims beyond profit. Its mission centers on positive social impact, with a focus on economic development, arts and entertainment, startup incubation, philanthropy, and real estate. Based in Detroit, the organization supports a multi-entity network spanning diverse sectors within the region. The description portrays ROCK as a coordinating hub rather than a product-focused business, emphasizing its role in aligning the family’s disparate ventures toward shared social outcomes.