Josh Kushner has a financial interest in two basketball teams. He owns a minority stake in the Memphis Grizzlies.

Additionally, Kushner has a minority stake in the Miami Heat. These details are reported by Dan Woike, indicating Kushner's involvement in the ownership of these teams.

For more information on Josh Kushner's ownership stakes, readers can refer to the Galveston County Daily News, which provides further details on this matter.