Patient Square Capital, a healthcare investment firm, completed the acquisition of Summit BHC, a provider of behavioral health and addiction treatment service, from FFL Partners, an American private equity firm, and Lee Equity Partners, a private equity firm. Financial terms were not disclosed. "Over a more than dozen year relationship with Summit's leadership team, we've built strong conviction in our alignment with their mission, values and patient-centric approach," Alex Albert, Patient Square Capital Founding Partner.