The Boston Celtics will be sold at a valuation of $6.1 billion to Bill Chisholm, the managing director and co-founder of private equity firm Symphony Technology Group, ESPN's Shams Charania reported on Thursday.

The Celtics are onto a new era. The Celtics ownership group has agreed to sell the team to William Chisholm, co-founder of Symphony Technology Group, according to the Boston Globe’s Adam Himmelsbach.

The Boston Celtics have been sold to William Chisholm, a source tells WBZ-TV's Dan Roche, for a reported $6.1 billion. Chisholm is a managing director with Symphony Technology Group, a private equity firm. He is a native of Georgetown, Massachusetts, a Dartmouth College graduate and lifelong Celtics fan, the Boston Globe reported.