Biodesix, Inc.
Leading Diagnostic Solutions Company | Nasdaq: BDSX | 2026 & 2025 & 2024 Top Workplaces Award Winner
356 employees · est. 2006 · Louisville, United States
Quest Diagnostics
Working together to create a healthier world, one life at a time.
33071 employees · est. 1967 · Secaucus, United States
Quest Diagnostics is the older company (2006 vs 1967); Quest Diagnostics is the larger of the two.
Side-by-Side Comparison
| Metric | Biodesix, Inc. | Quest Diagnostics |
|---|---|---|
| Founded | ||
| Founded | 2006 | 1967 older |
| Headquarters | ||
| Headquarters | Louisville, United States | Secaucus, United States |
| Employees | ||
| Employees | 356 | 33071 larger |
| Industry | ||
| Industry | Biotechnology, Health Care | Biotechnology, Health Care, IT |
| Funding Stage | ||
| Funding Stage | Post Ipo Equity | IPO |
| Total Funding | ||
| Total Funding | $312.49M | $750.00M |
| Funding Rounds | ||
| Funding Rounds | 15 | 3 |
| Services | ||
| Services | Not tracked yet | Lab Testing and Diagnostics, Clinical Trial Lab Services, Healthcare Data Analytics, Lab Management Solutions, Biomarker and Genetic Testing |
| Target Customers | ||
| Target Customers | Not tracked yet | Patients, Healthcare Professionals, Hospitals and Health Systems, Employers, Health Insurers, Pharmaceutical and Biotech Companies |
| Taxonomy | ||
| Taxonomy | Diagnostic Solutions, Lung Cancer, Oncology, Biopharma Services, Proteomics, Genomics, Liquid Biopsy, Biotech, Lifesciences, Molecular Diagnostics, Companion Diagnostics, Mass Spectrometry Analysis, Biomarkers, Clinical Trials, Multi-omics | Diagnostic Insights, Clinical Lab Results, Cancer Diagnostics, Anatomic Pathology Services, Innovative Test Development, Pre-employment Drug Screening, Life Insurance Risk Assessment, Clinical Trials Testing, Healthcare Connectivity Solutions, Gene-based Testing, Esoteric Testing, Healthcare Information Technology, Patient Service Centers, Interpretive Consultation, Healthcare Management |
| Website | ||
| Website | biodesix.com | questdiagnostics.com |
About Biodesix, Inc.
Biodesix, Inc. is a leading diagnostic solutions company in the realms of biotechnology and health care. Since its founding in 2005, the company has firmly established itself as a leader in diagnostic solutions, offering a range of Medicare-covered tests for lung cancer within the oncology healthcar...
About Quest Diagnostics
Quest Diagnostics, founded in 1967, is a key player in the Biotechnology, Health Care, and IT sectors, headquartered in the United States. The company’s slogan, "Working together to create a healthier world, one life at a time," encapsulates its mission to empower individuals through comprehensive d...
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Compiled from the BounceWatch company index. We last looked at Biodesix, Inc. on 9 Jun 2026, and Quest Diagnostics on 29 May 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.