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NBA Finalizes $6.1 Billion Sale of Celtics to Bill Chisholm

Boston Celtics majority owner Wyc Grousbeck speaks courtside at TD Garden; the NBA has approved the team’s $6.1 billion sale to investor Bill Chisholm.

Deandre Campbell

Aug 14, 2025

Private equity billionaire acquires controlling stake, with Wyc Grousbeck staying on as CEO during transition.


NBA Approves $6.1 Billion sale of Boston Celtics to Bill Chischolm

BOSTON —The NBA’s Board of Governors has officially signed off on the sale of the Boston Celtics to private equity mogul Bill Chisholm in a deal valuing the franchise at $6.1 billion, the second-largest sale in U.S. sports history.

Under the agreement, Chisholm will acquired a 51% ownership stake immediately, with the option to purchase the remaining shares by 2028 at a projected $7.3 billion valuation. Outgoing majority owner Wyc Grousbeck, who led the ownership group since 2002, will remain as the team’s CEO and alternate governor until his stake drops below 15% or full sale is completed.

The purchase continues a wave of massive transactions in professional sports,following the Los Angeles Lakers’ record breaking $10 billion sale earlier this summer. Chisholm, known for his aggressive investment strategies and sports portfolio expansion, has pledged to maintain the Celtics’ championship culture while exploring opportunities to grow the brand globally.

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