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.
CEO: James E. Davis. Company website
Quest Diagnostics Incorporated (DGX) trades at $246.48, down 0.39% on the day, as of Sep 20, 2026 13:47 UTC.
Quest Diagnostics Incorporated has a market capitalisation of $27.20B, calculated from the live DGX share price and shares outstanding.
DGX trades at a trailing P/E of 26.17, from earnings per share of $9.42 over the last twelve months.
Quest Diagnostics Incorporated generated revenue of $11.56B over the trailing twelve months, which puts the stock at 2.35 times sales.
Yes. Quest Diagnostics Incorporated pays a dividend yielding 1.71% on the current share price.
DGX has traded between $171.18 and $248.70 over the past 52 weeks, and the last price is 0.9% below that high.
Yes. Quest Diagnostics Incorporated keeps 9.19% of revenue as net income over the trailing twelve months.
Wall Street analysts rate DGX Hold, with an average price target of $246.67, 0.1% above the current price.
Quest Diagnostics Incorporated is classified under the Healthcare sector and the Medical - Diagnostics & Research industry, and is domiciled in US.
James E. Davis is the chief executive of Quest Diagnostics Incorporated, which employs 51,500 people.
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