Ropes & Gray Represents Sanofi Ventures in Investment in Star Therapeutics’ $125 Million Series D Financing

In The News
October 1, 2025

Ropes & Gray represented Sanofi Ventures in its role as co-lead investor in Star Therapeutics’ $125 million Series D financing. Star Therapeutics is a clinical stage biotechnology company discovering and developing best-in-class antibodies for bleeding disorders and other diseases.

The financing round was co-led by Sanofi Ventures and Viking Global Investors with participation from both existing and other new investors, including Janus Henderson Investors, Frazier Life Sciences and GordonMD Global Investments. Existing investors include Agent Capital, Blue Owl Capital, Catalio Capital Management, Cormorant Asset Management, New Leaf Venture Partners, NYBC Ventures, OrbiMed, Qatar Investment Authority (QIA), RA Capital Management, Redmile Group, Sofinnova Investments, Soleus Capital and Westlake BioPartners.

The Ropes & Gray team included venture capital and emerging companies associate David Marino, strategic transactions law clerk Leah Miano, and venture capital and emerging companies partner Rajarshi Banerjee.