The Dumont family has secured controlling ownership of the Dallas Mavericks after purchasing shares from Miriam Adelson, according to a report published on November 3, 2026. The transaction shifts majority control of the NBA franchise to the Dumont family, while Mark Cuban retains a minority stake of approximately 27 percent in the team.
Cuban, who previously held majority ownership, will continue as a minority partner following the sale. The deal marks a significant change in the franchise's ownership structure, with the Dumont family assuming primary decision-making authority over the Mavericks organization.
