Ropes & Gray Represented Patient Square Capital as Lead Investor in Osanni Bio’s $190 Million Series B Financing

In The News
June 29, 2026

Ropes & Gray advised Patient Square Capital in its role as lead investor in Osanni Bio’s $190 million Series B financing. The transaction was announced on June 23.

Osanni Bio is a developmental stage therapeutics platform advancing the discovery and development of new medicines in therapeutic areas including ophthalmology and cardiology.

Patient Square Capital is a dedicated health care investment firm with $19 billion in assets under management.

The Ropes & Gray team was led by life sciences transactions partner Ray Grant and private equity partner Annie Sipe and included capital markets partner Tom Holden, private equity partner Jay Freedman, IP transactions partner Megan Baca, executive compensation and benefits partner Kyle Higley and tax partner Ben Rogers.