The movie, which is about The Boston Globe's "Spotlight" team, the oldest continuously operating newspaper investigative unit in the United States, also won awards for the best screenplay and ensemble cast, reported Variety.
The Boston Globe is an American daily newspaper based in Boston, Massachusetts.
"Mad Max: Fury Road" was the runner-up, and a "distant second" according to Boston Globe film critic Ty Burr.
"Love & Mercy" star Paul Danon and The Revenant's Leonardo DiCaprio shared the best actor prize, while Charlotte Rampling bagged the best actress trophy for "45 Years".
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Todd Haynes won the best director award for "Carol", while McCarthy was adjudged the runner-up for "Spotlight".
Mark Rylance won the best supporting actor honour for "Bridge of Spies". The best supporting actress award went to Kristen Stewart for "Clouds of Sils Maria".
"The Look of Silenc" got the best foreign film honour. Late singer Amy Winehouse's biopic "Amy", directed by Asif Kapadia, was announced as the best documentary.