Ultragenyx
Biotechnology ResearchCalifornia, United States1001-5000 Employees
Ultragenyx Pharmaceutical focuses on developing therapies for rare and ultrarare genetic diseases that have few or no approved treatment options. The company maintains a broad pipeline across several indications and aims to advance therapies from development through commercialization with attention to patient impact. Headquartered in Novato, California, it was founded in 2010. The organization describes an inclusive culture that values collaboration and dedication to patients living with rare diseases. In 2026, Ultragenyx reported progress in its regulatory program, including FDA acceptance of a resubmitted filing for UX111, a gene therapy for Sanfilippo syndrome Type A.