BMCH - Builders FirstSource to buy BMC Stock in $2.5B all-stock deal August, 27 2020 08:04 AM BMC Stock Holdings Inc. Builders FirstSource (NASDAQ:BLDR) agrees to acquire BMC Stock Holdings (NASDAQ:BMCH) in an all-stock deal that values BMC at ~$2.5B.More news on: Builders FirstSource, Inc., BMC Stock Holdings, Inc., Merger & acquisition news, Stocks on the move, Read more ...