The Dumont family has secured controlling ownership of the Dallas Mavericks after purchasing a majority share from Miriam Adelson, according to reports on November 3, 2026.
Mark Cuban, the franchise's longtime majority owner, retains a minority stake of approximately 27 percent in the NBA team.
The transaction marks a significant shift in the Mavericks' ownership structure, with the Dumont family assuming control while Cuban remains involved as a minority shareholder.

