Webster Capital's Behavior Health Holdings Acquires MedMark Services (Backed by $130M Fifth Street Financing)

Webster Capital-backed portfolio company Behavior Health Holdings acquired MedMark Services Inc., combining MedMark with its BAART subsidiary to create the third-largest methadone treatment provider in the U.S. Fifth Street Asset Management led a $130 million one‑stop financing facility to refinance BAART and support the add-on acquisition of MedMark; the financing included investments from Fifth Street Finance Corp. and Fifth Street Senior Floating Rate Corp.