How Many People Work at Ardelyx? Headcount and Employee Trends

Ardelyx is a clinical-stage biopharmaceutical company focused on developing therapies for gastrointestinal and cardiorenal disorders. The organization employs approximately 340 people and has expanded its team by about one-fifth through recent hiring while keeping overall attrition low. This healthy inflow of talent underscores the company’s ongoing investment in research, commercialization, and corporate infrastructure as it advances its product pipeline.

Sales and Support is the largest function at Ardelyx with roughly half of all employees (about 170 people), highlighting the resources dedicated to physician outreach, market access, and patient assistance programs. Corporate and strategic oversight is handled by a 30-person Business Management group, while the 26-person Engineering team—largely process and manufacturing engineers—supports product development and scale-up. Healthcare specialists (24), Marketing and Product staff (22), and Finance and Administration professionals (19) round out the mid-sized departments. Smaller but essential teams include Operations (13), Human Resources (11), Legal (9), and an 18-person cohort classified as Other. Company-wide hiring added roughly 60 employees while only single-digit attrition was recorded, suggesting steady growth across most functions.

Headquarters and smaller satellite offices house just under one-third of Ardelyx’s workforce, while the majority (about 68%) operate remotely or at clinical sites classified as “Other.” Boston hosts the largest physical office with 33 employees, followed by San Francisco at 25. Additional concentrations appear in New York, Philadelphia, Los Angeles, Chicago, Milwaukee, Dallas–Fort Worth, and Denver, none of which exceed a dozen employees. This distributed model enables the company to tap specialized life-science talent near academic hubs and maintain flexibility as its pipeline progresses.