How Many People Work at Avidity Biosciences? Headcount and Employee Trends

Avidity Biosciences, Inc. is a biotechnology company with a team of 354 employees. Recent workforce activity shows 87 additions and 9 departures, reflecting ongoing team changes. Headcount is concentrated in technical and clinical functions and is primarily based in San Diego, with additional employees across major U.S. cities and distributed locations.

Engineering is the largest group with 101 employees (about 29% of the company). Business Management and Healthcare each have 48 employees (roughly 14% each), followed by Operations with 37 (about 11%) and Finance and Administration with 36 (about 10%). Marketing and Product includes 20 team members (around 6%), Sales and Support has 13 (about 4%), Human Resources has 12 (about 3%), and Risk, Safety, Compliance has 11 (about 3%). Additional roles grouped as Other account for 28 employees (about 8%). This mix highlights a workforce spanning core R&D, corporate operations, and go-to-market support functions.

The largest concentration of employees is in San Diego, CA, with 173 people (about 49% of total headcount). Another 121 employees (about 34%) are based in other distributed locations not individually listed. Smaller employee groups are in San Francisco, CA (13); Boston, MA (11); Carlsbad, CA (9); Raleigh, NC (7); Philadelphia, PA (6); Seattle, WA (6); Los Angeles, CA (4); and Cambridge, MA (4). This footprint indicates a primary hub in San Diego complemented by teams across multiple U.S. cities and remote settings.