Quest Diagnostics Incorporated (DGX) Stock

NYSE: DGXProvider of diagnostic testing, information, and services to patients, physicians, hospitals, and healthcare companies.

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Quest Diagnostics revenue & net income

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Quest Diagnostics annual financials

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Quest Diagnostics Incorporated revenue, net income and EPS by fiscal year
Fiscal yearRevenueNet incomeEPS
FY2025$11.04B$992.0M$9.85
FY2024$9.87B$871.0M$8.92
FY2023$9.25B$854.0M$8.71
FY2022$9.88B$946.0M$9.92
FY2021$10.79B$2.00B$14.23

Fiscal year ending December 31. Source: company filings via EODHD.

About Quest Diagnostics Incorporated

Quest Diagnostics Incorporated specializes in providing comprehensive diagnostic testing, information, and services both domestically and globally. The company operates a network of laboratories, patient service centers, and mobile health professionals, offering a broad spectrum of diagnostic information services. These services range from routine and advanced clinical testing to anatomic pathology and specialized diagnostic testing under various brands including Quest Diagnostics, AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum.

In addition to its diagnostic testing services, Quest Diagnostics caters to a diverse customer base that includes patients, healthcare providers, hospitals, independent delivery networks, health plans, employers, and accountable care organizations. The company also extends its offerings to the life insurance industry through risk assessment services. Moreover, Quest Diagnostics leverages robust information technology solutions to support healthcare organizations and clinicians in optimizing patient care and operational efficiencies.

Founded in 1967 and headquartered in Secaucus, New Jersey, Quest Diagnostics has established itself as a leader in the healthcare sector, emphasizing innovation, accuracy, and accessibility in diagnostic testing. Continuously expanding its capabilities and service reach, the company remains committed to enhancing healthcare outcomes and contributing to advancements in medical diagnostics globally.

Quest Diagnostics stock FAQ

What is the Quest Diagnostics stock ticker symbol?

Quest Diagnostics Incorporated trades on the NYSE under the ticker symbol DGX.

What sector and industry is Quest Diagnostics in?

Quest Diagnostics Incorporated is classified in the Healthcare sector, Diagnostics & Research industry.

How many employees does Quest Diagnostics have?

Quest Diagnostics Incorporated has about 46,000 full-time employees.

What were Quest Diagnostics's revenue and earnings last fiscal year?

Quest Diagnostics reported revenue of $11.04B and net income of $992.0M in fiscal 2025, with earnings per share of $9.85. Revenue grew 11.8% from the prior year.

Is Quest Diagnostics in the S&P 500?

Yes. Quest Diagnostics Incorporated (DGX) is a component of the S&P 500, the index of 500 leading U.S. companies widely used as a benchmark for the U.S. stock market.

Is Quest Diagnostics in the Russell 1000?

Yes. Quest Diagnostics Incorporated (DGX) is a component of the Russell 1000, which tracks roughly the 1,000 largest U.S. companies.

When did Quest Diagnostics go public?

Quest Diagnostics stock began trading on December 17, 1996.

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