Ultragenyx
Ultragenyx Pharmaceutical Inc. is a biopharmaceutical company based in Novato, California, focused on developing innovative treatments for rare and ultra-rare genetic diseases. Founded in 2010 by Emil D. Kakkis, M.D., Ph.D., the company is publicly traded on NASDAQ under the ticker symbol RARE. Ultragenyx is dedicated to addressing unmet medical needs in the rare disease community through meaningful engagement with patients and their caregivers. The company develops therapies primarily for metabolic diseases, neurological disorders, and other rare genetic conditions. Notable products include Crysvita for X-linked hypophosphatemia, Dojolvi for long-chain fatty acid oxidation disorders, and Mepsevii for mucopolysaccharidosis VII. Ultragenyx has a robust pipeline with multiple programs in various stages of development, reflecting its commitment to advancing treatments through research and development. With a total of 652 employees as of December 2023, Ultragenyx operates commercially in the United States and collaborates globally on research initiatives. The company also emphasizes corporate sustainability and aims to positively impact patients while considering broader societal and environmental responsibilities.
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Headcount trend
Ultragenyx went from 1,207 employees in Jul 2023 to 1,332 in Jun 2025. Jan to Jun 2025: 92 people joined, 29 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Executive compensation
Salaries at Ultragenyx
All salaries4 salary profiles in the US
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 4 filings.
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Ultragenyx FAQ
How many employees does Ultragenyx have?
Ultragenyx has about 1,332 employees, up 1.2% over the 3 months to Jun 2025.
Does Ultragenyx sponsor H1B visas?
Yes. Ultragenyx filed 4 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is Ultragenyx's revenue per employee?
Ultragenyx makes about $443K in revenue per employee, based on $590.69M annual revenue and 1,332 employees.
How much does Ultragenyx pay?
6figr has 4 salary profiles for Ultragenyx in the US, with pay broken down by role, level, gender and ethnicity on the Ultragenyx salaries page. See Ultragenyx salaries
Is Ultragenyx a public company?
Yes. Ultragenyx is publicly traded under the ticker RARE on NASDAQ.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.