Celtics sold to Bill Chisholm-led group for $6.1B; control in 2028

The NBA board unanimously approved the sale of the Boston Celtics to a private-equity led investor group headed by Bill Chisholm, a transaction valued at 6.1 billion. The league signaled the closing would follow promptly, and Tuesday’s completion transfers control of one of the league’s most storied franchises to Chisholm and his partners, with Chisholm taking at least a 51 percent stake at closing and full control by 2028. The ownership slate also includes longtime Celtics figures and investors such as Wyc Grousbeck, who will serve as an alternate governor and remain a co-owner and chief executive officer, alongside Aditya Mittal, Bruce Beal Jr., Rob Hale and others. The group also features Sixth Street as a significant participant.

The Celtics’ sale comes as the franchise—an 18-time NBA champion—began a new chapter after two decades under Grousbeck’s stewardship. Grousbeck, who led the ownership group that bought the team in 2002 for 360 million, presided over titles in 2008 and 2024 and presided over a steady era of competitiveness. The sale’s timing placed the Celtics at the apex of recent franchise-price history in North American sports, a market that has seen the Los...