PathoQuest
PathoQuest is a biotech CRO specializing in NGS-based biosafety testing for biologics, acquired by Charles River Labs in 2021. It had raised $41M prior to acquisition and employs 60 people.
The growth story
PathoQuest grew from 38 to 60 employees between 2021 and 2026, raising $41M along the way, most recently a Series B in November 2021.
About
PathoQuest provides GMP-compliant sequencing assays to test raw materials and therapies like gene therapies and vaccines for viral contaminants. Its services help pharmaceutical companies release products faster while meeting safety standards.
The company was acquired by Charles River after raising $41M in a 2021 Series B. Its testing platform serves global biotech clients, with notable investors including Eurazeo and Idinvest Partners prior to acquisition.
Founders and leadership
Sales is the largest function at PathoQuest with 4 staff. The company maintains a median tenure of 3 years among employees.
Departments, and which ones grew
Headcount by function: Research 12 (-8% YoY), Engineering 8 (+33% YoY), Quality Assurance 8 (0% YoY), Business Development 5 (-55% YoY), Operations 5 (-17% YoY), Information Technology 5 (+25% YoY).
Talent flow
PathoQuest recruits heavily from pharma giants like Sanofi (6 hires) and GSK (3). Alumni frequently move to biotech startups, with 3 joining GenSensor and 2 at Life & Soft.
Most common previous employers of PathoQuest staff: Sanofi (6), INSERM (3), GSK (3), Novartis (2), Institut Pasteur (2), BioReliance (2). Former PathoQuest employees most often moved to GenSensor (3), Life & Soft (2), SHS Capital (1), MZ Consulting 365 (1), LallianSe - Life Sciences Integrator (1), France BioLead (1).
Alumni worth knowing
Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at PathoQuest: Biotechnology (22), Good Manufacturing Practice (GMP) (20), Molecular Biology (19), Microsoft Office (19), Project Management (18), English (16), Microsoft Excel (15), Pharmaceutics (14).
Where the team actually sits
PathoQuest people are concentrated in Île-de-France, France (14), France (10), Pennsylvania, United States (4), Greater Paris Metropolitan Region (3).
Search footprint
PathoQuest attracts about 53 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 19 ranking keywords and lost 11 in the last period.
What employees say
- Compensation
- 3.30 / 5
- Career opportunities
- 3.40 / 5
- Senior management
- 2.90 / 5
- Work-life balance
- 3.60 / 5
Frequently asked
PathoQuest has 60 employees as of September 2026.
PathoQuest has raised $41M in total, most recently a Series B round in November 2021.
The most common previous employers of current PathoQuest staff are Sanofi (6 people), INSERM (3 people), GSK (3 people).
Former PathoQuest employees most often move to GenSensor (3), Life & Soft (2), SHS Capital (1).
PathoQuest attracts about 53 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among PathoQuest staff are Biotechnology, Good Manufacturing Practice (GMP), Molecular Biology, Microsoft Office, Project Management.
PathoQuest staff are concentrated in Île-de-France, France (14), France (10), Pennsylvania, United States (4).
PathoQuest has about 12 people in Research, down 8% over the past year, as of September 2026.
PathoQuest has about 8 people in Engineering, up 33% over the past year, as of September 2026.
Computed from 46 current and 83 former PathoQuest profiles, as of September 2026. Source: Crustdata.
Build this for any company
Every number on this page came from the Crustdata API. Point the MCP at a company and get the same org chart, alumni list and talent flow in one prompt.