Ropes & Gray Represents Sanofi Ventures in Investment in Diagonal Therapeutics’ $125 Million Series B Financing

In The News
January 14, 2026

Ropes & Gray represented Sanofi Ventures in its role as co-lead investor in Diagonal Therapeutics’ $125 million Series B financing. Diagonal Therapeutics develops disease-modifying clustering antibodies intended to correct dysregulated signaling in severe genetic disorders.

The financing round was co-led by Sanofi Ventures and Janus Henderson Investors.

The Ropes & Gray team included venture capital and emerging companies associates Derek Mubiru and Kayla King, and venture capital and emerging companies partner Rajarshi Banerjee.