Ropes & Gray Advised General Atlantic and PANTHERx Rare in Sale to Warburg Pincus-Led Investor Group

In The News
July 14, 2026

Ropes & Gray represented General Atlantic, The Vistria Group, and PANTHERx Rare in the sale of PANTHERx from General Atlantic, The Vistria Group, and Nautic Partners to a Warburg Pincus-led investor group. The transaction was announced on July 13.

PANTHERx is the leading independent rare pharmacy in the United States. The company pioneered the rare pharmacy model and serves as a trusted partner across the rare disease community.

General Atlantic is a leading global investor managing approximately $126 billion in assets under management and with more than four and a half decades of experience providing capital and strategic support for over 885 companies.

The Vistria Group is a next-generation private investment firm that operates at the intersection of purpose and profit. Vistria invests in essential industries like healthcare, knowledge & learning solutions, financial services, and housing that deliver both attractive financial returns and lasting societal impact. The firm partners with companies that are passionate about long-term value creation and committed to the community.

The team was led by private equity partners Martin Ruhaak and Janet Coscino and included tax partners Brandon Dunn and Aaron Harsh, litigation & enforcement partner Jonathan Klarfeld, health care partners Jamie Darch and Tim McCrystal, and executive compensation & employee benefits partner Matt Jones.