Chisholm-led group completes $6.1B Celtics purchase

Bill Chisholm’s investment group has finalized a 6.1 billion purchase of the Boston Celtics, marking a historic transition for the NBA’s most decorated franchise. Chisholm will assume the role of lead governor, while co-owner Wyc Grousbeck will remain with the team as alternate governor and chief executive, and Aditya Mittal will serve as an alternate governor alongside him. The deal, approved by the NBA and closed this week, hands control of the team to a new coalition of global capital and local ties, with full ownership slated for 2028. The sale comes as the Celtics navigate a season shaped by Jayson Tatum’s Achilles injury and a sweeping salary-reset designed to position the franchise for sustainable success.

The ownership group highlights a blend of long-standing Celtics connections and international investment. Chisholm, a Boston native and founder of STG Partners, is positioned to lead as governor and owns a majority stake in the team. Mittal, chief executive of ArcelorMittal, contributes a significant stake and joins as an alternate governor, bringing a high-profile, global dimension to the ownership structure. Sixth Street and several other investors, including Bruce...