WindRose Health Investors, a private equity firm, has acquired Ganse Apothecary.

Through a merger with Terrapin Pharmacy, a WindRose portfolio company, Ganse expands its footprint in Pennsylvania and creates a leading behavioral health pharmacy platform.

“We are thrilled for the future of the combined business and are excited to partner with such a well-respected provider as Ganse,” said Mark Peterson, executive chairman of Terrapin’s board of directors. “Ganse’s long history of providing high quality, value-added pharmacy services to this population aligns perfectly with Terrapin and our core mission.”

Provident Healthcare Partners acted as financial advisor to Ganse. Latham & Watkins LLP acted as legal advisor to WindRose, and Troutman Pepper acted as legal advisor to Ganse.