Quest Diagnostics DGX · USD
Health Care · Health Care Providers & Services · US listing · 🇺🇸 United States
S&P 500
259.67
+1.58%
Close of 9 Nov 2026, in USD
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About Quest Diagnostics
From its filings with the US Securities and Exchange Commission
Quest Diagnostics is based in Secaucus, New Jersey and is incorporated in Delaware. Its shares trade on NYSE under the ticker DGX. It is a member of the S&P 500. The SEC classifies its business as medical laboratories. In the fiscal year to 31 December 2025, it reported revenue of $11.04bn and net income of $992.0m. At that date it held total assets of $16.23bn and shareholders' equity of $7.17bn. By business, DIS business brought in 97.7% of revenue, followed by DS businesses at 2.3%.
Quest Diagnostics works across the healthcare ecosystem to create a healthier world, one life at a time. We provide diagnostic insights from the results of our laboratory testing to empower people, physicians, and organizations to take action to improve health outcomes. Derived from one of the world's largest databases of de-identifiable clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve healthcare management. In the right hands and with the right context, our diagnostic insights can inspire actions that transform lives and create a healthier world.
The patients we serve annually comprise approximately one-third of the adult population of the United States, and over a three-year period, we serve approximately one-half of the adult population of the United States. We estimate that annually we serve approximately half of the physicians and half of the hospitals in the United States.
We play a critical role in healthcare decisions for customers across the healthcare ecosystem, including physicians, hospitals, patients and consumers, health plans, government agencies, employers, retailers, pharmaceutical companies and insurers. We believe The Quest Way is aligned with the triple aim of healthcare of improving medical quality and the patient experience while reducing the overall cost of care.
Quoted from its 10-K, filed 26 Feb 2026. Read the filing on SEC.gov ↗
Company facts
- Sector
- Health Care
- Industry
- Health Care Providers & Services
- Listed since
- 17 Dec 1996
- Employees
- 57,000
- Website
- questdiagnostics.com ↗
- Head office
- 500 PLAZA DRIVE, SECAUCUS, NJ, 07094
- Incorporated in
- DE
- Classification
- Services-Medical Laboratories
- Filer status
- Large accelerated filer
Leadership
Pay as last reported
- Mr. James DavisChairman of the Board, President, Chief Executive Officer, since 2013$14.4m
- Mr. Sam SamadChief Financial Officer, Executive Vice President$4.1m
- Ms. Catherine DohertyExecutive Vice President - Regional Businesses$3.3m
- Mr. Michael PrevoznikSenior Vice President, General Counsel$2.4m
- Ms. Adrienne BrottSenior Vice President, Chief Quality and Regulatory Affairs Officer
- Mr. Mark DelaneySenior Vice President, Chief Commercial Officer
- Mr. Karthik KuppusamySenior Vice President - Clinical Solutions$2.3m
- Mr. Patrick PlewmanSenior Vice President - Diagnostic Services$2.0m
- Mr. Timothy RingLead Independent Director$377,966
- Mr. Robert CarterIndependent Director$280,103
- Dr. Luis DiazIndependent Director$324,966
- Ms. Tracey DoiIndependent Director$327,716
Environmental, social and governance
Scores out of 100, from our data supplier
- Overall
- 82
- Environment
- 99
- Social
- 99
- Governance
- 48
- Direct emissions (scope 1)
- 113,925 t
- Energy emissions (scope 2)
- 83,631 t
- Value chain emissions (scope 3)
- 631,003 t
- Women in the workforce
- 72.51085%
- Carbon reduction policy
- No
- Human rights policy
- Yes
SWOT analysis
AI-generated by our data supplier. Not written or checked by our editors.
Strengths
- Quest Diagnostics Inc is a leading provider of diagnostic testing, information, and services, with a strong market presence and brand reputation.
- The company has a vast network of laboratories and patient service centers, enabling it to serve a wide range of customers across the United States.
- Quest Diagnostics Inc has developed advanced testing technologies and capabilities, allowing for accurate and reliable test results.
Weaknesses
- Quest Diagnostics Inc faces intense competition in the diagnostic testing industry, which could impact its market share and pricing power.
- The company relies on third-party payers, such as insurance companies, for a significant portion of its revenue, making it vulnerable to changes in reimbursement policies.
- Quest Diagnostics Inc's operations are subject to various regulations and compliance requirements, which could increase costs and limit flexibility.
Opportunities
- The increasing demand for personalized medicine and genetic testing presents growth opportunities for Quest Diagnostics Inc.
- Expanding into emerging markets, such as Asia and Latin America, could help Quest Diagnostics Inc tap into new customer bases and drive revenue growth.
- Technology advancements, such as the integration of artificial intelligence in diagnostics, offer opportunities for Quest Diagnostics Inc to enhance its testing capabilities and improve efficiency.
Threats
- Changes in healthcare policies and regulations can pose significant challenges to Quest Diagnostics Inc's operations and profitability.
- Increasing pricing pressure from payers and the growing trend of cost containment in healthcare could negatively impact Quest Diagnostics Inc's financial performance.
- Competitors in the industry continuously strive to develop innovative diagnostic solutions, posing a threat to Quest Diagnostics Inc's market position.
Sources and methodology
- Data on this tab
- Our data supplier
- Chart on the Overview
- TradingView
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