How Many People Work at Insitro? Headcount and Employee Trends

Insitro is a biotechnology company that applies machine learning to drug discovery and development, employing about 301 people. The dataset indicates 17 new hires and 24 departures, showing measured workforce movement. Headcount is concentrated in technical roles and anchored in the San Francisco Bay Area, with additional employees distributed across other U.S. locations.

Engineering is the largest team with 168 employees, representing roughly 56% of the workforce. Supporting functions include Business Management (31), Finance and Administration (22), Human Resources (16), Information Technology (16), Healthcare (13), and Operations (12). Go‑to‑market and product functions are smaller by comparison, with Marketing and Product (8) and Sales and Support (4), alongside 11 employees categorized as Other. This mix underscores a strong technical focus supported by core business and operational teams.

Insitro’s largest hub is San Francisco, CA, with 136 employees—about 45% of the company. A sizable share of the team is also captured under Other (96), reflecting additional distributed locations. The company maintains a notable Bay Area footprint beyond San Francisco, including South San Francisco (21), Redwood City (9), San Jose (7), Palo Alto (6), and San Mateo (6). Additional presence includes New York, NY (9), Boston, MA (6), and San Diego, CA (5), indicating a primarily California‑based workforce with select teams in other U.S. cities.