Dumont family takes 69% control of Dallas Mavericks as New Balance deal lands
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The gist
The Dumont family bought Miriam Adelson's Mavericks shares, giving Patrick and Sivan Dumont 69 percent and control.
New Balance also became the team's footwear and apparel partner, tied to Cooper Flagg.
Background
The Dallas Mavericks are an NBA franchise now controlled by Patrick Dumont, the team's governor and CEO of Sands Corp, and his wife Sivan, after the couple's family bought out Miriam Adelson's stake. The same week, the team announced a multi-year deal making New Balance its official footwear and apparel partner, a tie-in built partly around Mavericks forward Cooper Flagg, a New Balance athlete since 2024 who unveiled a signature logo with the company last month. On the court, Dallas sat at 4-4 after a one-point loss to San Antonio, then beat Utah and Brooklyn.
How it unfolded
- Oct 2026The Dumont family purchased Miriam Adelson's shares of the Mavericks, giving Patrick and Sivan Dumont 69 percent of the team and controlling ownership; ESPN first reported it.
- Nov 5, 2026Victor Wembanyama's 52 points and 24 rebounds lifted the San Antonio Spurs over Dallas 112-111, dropping the Mavericks to 4-4.
- Nov 6, 2026P. J. Washington scored a season-high 26 points in a 112-100 Mavericks win over the Utah Jazz.
- Nov 8, 2026Dallas announced a multi-year agreement naming New Balance its Official Footwear and Apparel Partner, with a two-day fan activation outside American Airlines Center on Nov. 8 and 9.
- Nov 8, 2026Cooper Flagg had 25 points and a career-high 12 assists for his third straight double-double as the Mavericks beat the Brooklyn Nets 130-93; Kyrie Irving scored 21 and Daniel Gafford 18.
Key terms
- NBA
- A professional basketball league in North America made up of 30 teams, widely considered the top basketball league in the world.
- three-point shooter
- A basketball shot made from beyond the three-point line, worth three points.
Source: Wikipedia
Who’s saying what
- Official
- Mavericks president Ethan Casson called New Balance one of the most innovative and respected brands in sports and said the deal creates fan experiences and community impact in North Texas.
- Official
- New Balance's Naveen Lokesh said Dallas has an incredible basketball culture and that Cooper Flagg starting his career there gives the brand a natural connection.
- Party
- The Dumont family said they are deeply committed to building a championship team and growing the organization's community impact in Dallas.
- Expert
- Head coach Dusty May said the team needs P. J. Washington to be a three-point shooter and loves him shooting with that confidence.
Still unverified
The Athletic's report on the Adelson share purchase was confirmed by a league source speaking on condition of anonymity because they were not authorized to speak publicly on the details.