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Celtics Sale Closes at $6.1 Billion as Bill Chisholm Takes Control

NBA ownership rules prompted the governor title to move to Bill Chisholm due to the 15% stake requirement.

David Butler II-Imagn Images
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Apr 4, 2025; Boston, Massachusetts, USA; Bill Chisholm, center, who leads a group that is buying the Boston Celtics, stands with current owner Wyc Grousbeck and Chisholm’s wife, Kimberly Chisholm before the game between the Boston Celtics and the Phoenix Suns at TD Garden. Mandatory Credit: Winslow Townson-Imagn Images

Overview

  • Funds changed hands on August 19 after a unanimous NBA Board of Governors vote, giving Chisholm’s group at least 51% control now with full ownership scheduled by 2028 and a potential blended value near $7.3 billion.
  • Wyc Grousbeck remains with the franchise as co-owner and CEO and serves as an alternate governor after his post-closing stake fell below the league’s 15% threshold for team governors.
  • Aditya Mittal becomes an alternate governor and the group’s second-largest stakeholder with a reported $1 billion investment, while private equity firm Sixth Street holds a substantial stake within NBA PE limits.
  • The newly disclosed investor roster also includes Bruce Beal, Andrew Bialecki, Dom Ferrante, Rob Hale, Mario Ho, and Ian Loring, reflecting a mix of global capital and local ties.
  • Context for the transition includes a payroll reset to drop below the second apron and roster changes with veterans moved, as Jayson Tatum is expected to miss 2025–26 recovering from an Achilles injury.