Quest Diagnostics Incorporated, founded in 1967 and headquartered in Secaucus, New Jersey, is a premier provider of diagnostic testing, information, and related services, serving clients both domestically and internationally. Its core business involves the development and provision of diverse diagnostic information services, such as routine, advanced clinical, and anatomic pathology testing. While primarily operating under the Quest Diagnostics brand, it also leverages specialized identities like AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum to reach a broad spectrum of clients. Its extensive client base includes patients, clinicians, hospitals, integrated delivery networks, health plans, employers, and other direct healthcare entities. Delivery of these services is facilitated through a robust network comprising laboratories, patient service centers, in-office phlebotomists, call centers, and mobile health professionals including paramedics and nurses. Additionally, the company provides risk assessment services for the life insurance industry and offers comprehensive information technology solutions to healthcare organizations and clinicians.

Davis J. E.

Doherty Catherine T.

PREVOZNIK MICHAEL E

Plewman Patrick

KUPPUSAMY KARTHIK

The global cancer biomarkers market is projected to grow from $25.9 billion in 2026 to $37.8 billion by 2035, with a CAGR of 4.3%. Growth is driven by rising cancer incidence, personalized medicine adoption, advances in NGS and liquid biopsy technologies, and increased biomarker-driven diagnostics. HER2 testing leads by biomarker type (21.1% share), while breast cancer testing dominates by indication (25.1% share). North America captures 52.1% of global market revenue.

Quest Diagnostics Incorporated (DGX) Stock Price, Analysis & Trade Signals