On May 4, 2026, Windward Bio, a private, clinical-stage biotechnology company committed to improving outcomes for people living with serious immunological diseases, announced an upsized $165 million crossover financing led by OrbiMed, with participation from existing Series A investors including Novo Holdings, Blue Owl Healthcare Opportunities, SR One, Omega Funds, RTW Investments, Qiming Venture Partners, Quan Capital, and Pivotal bioVenture Partners. The financing also included new investors RA Capital Management, Janus Henderson Investors, Sanofi Ventures, and Harbour BioMed. Wilson Sonsini Goodrich & Rosati represented OrbiMed, Novo Holdings, Blue Owl Healthcare Opportunities, and Omega Funds in the transaction.
Since its launch in January 2025, Windward Bio has in-licensed two clinical-stage assets, raised $365 million, and rapidly advanced both programs in the clinic. The proceeds from this latest financing will significantly extend the company’s cash runway and enable multiple clinical readouts in the next 12 months.
The Wilson Sonsini team that represented OrbiMed, Novo Holdings, Blue Owl Healthcare Opportunities, and Omega Funds in connection with the financing included:
Corporate
Dan Koeppen
Kassandra Castillo
David Sharon
Meg Moloney
National Security
Stephen Heifetz
Waqas Shahid
For more information, please see Windward Bio’s news release.
