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Bill Chisholm Closes $6.1 Billion Deal to Take Majority Control of Boston Celtics

The two-stage deal approved last week installs Bill Chisholm as governor, with Wyc Grousbeck continuing in day-to-day leadership.

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

  • The sale closed Tuesday after unanimous NBA approval last week, transferring control to Chisholm, who now holds at least 51% and the governor title.
  • The agreement is structured to deliver full control by 2028 under terms that could bring total consideration to about $7.3 billion.
  • Grousbeck remains a co-owner and CEO and serves as an alternate governor, reflecting NBA rules that require a 15% stake to serve as governor.
  • Aditya Mittal invests about $1 billion, becomes the second-largest stakeholder, and serves as an alternate governor, with Sixth Street joining as a major participant alongside Bruce Beal, Andrew Bialecki, Dom Ferrante, Rob Hale, Mario Ho, and Ian Loring.
  • The initial $6.1 billion valuation ranks as a record control sale for a U.S. pro team, and former co-owner Steve Pagliuca congratulated the group while retaining an investment interest for the next three years.