Quest Diagnostics Inc (DGX)
Health Services • Health Care
Financial Metrics
Price to Earnings24.71x
Revenue Growth (1Y)9.87%
Debt to Equity0.77x
Strengths
Valuation
Quest Diagnostics Inc is overvalued
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August 12, 2026 Quest Diagnostics Declares Quarterly Cash Dividend

July 30, 2026 Bacterial Vaginosis Linked to Increased STI Co-Infection, Finds National Study of 1.5 Million Women from Quest Diagnostics

July 23, 2026 Quest Diagnostics Reports Second Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026

July 23, 202610-Q Quarterly Report for 2026 Q2

July 10, 2026More U.S. Workers Are Testing Positive for Marijuana. Fewer Employers Are Concerned.

July 10, 2026 One in Five American Workers Tested Had a Positive Hair Drug Test in 2025, Signaling Persistent Long-Term Substance Use Patterns

July 08, 2026 Quest Diagnostics Now the Largest Clinical Reference Lab to Extend Oncology Test Access Through OncoEMR MPI

June 24, 2026 Quest Diagnostics Receives New York State Approval for Haystack MRD®, Broadening Patient Access to ctDNA Minimal Residual Disease Testing

June 18, 2026 UTI-causing Bacteria Resistant to Current Drugs, Finds National Study by Hackensack Meridian CDI and Quest Diagnostics

June 17, 2026 Quest Diagnostics to Release Second Quarter Financial Results on July 23, 2026

June 16, 2026 Quest Diagnostics Unveils Achievements in Healthcare Access, Employee Engagement and Environmental Sustainability in 2025 Corporate Responsibility Report

May 19, 2026 Quest Diagnostics Declares Quarterly Cash Dividend

April 27, 2026 Quest Diagnostics Prices $500 Million of Senior Notes

April 22, 202610-Q Quarterly Report for 2026 Q1

April 21, 2026Quest Diagnostics Gains Steam With Partnerships, Lifts Outlook

April 21, 2026 Quest Diagnostics Reports First Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026

April 16, 2026 City of Hope to Evaluate Quest Diagnostics' Haystack MRD® for Guiding Patient Management in Multiple Cancers

March 19, 2026 Quest Diagnostics to Release First Quarter Financial Results on April 21, 2026

March 12, 2026 Quest Diagnostics Elects Timothy Wentworth, Former CEO of Walgreens Boots Alliance, Evernorth Health Services and Express Scripts, to Board of Directors

March 02, 2026 Quest Diagnostics Introduces AI Companion to Help Patients Understand and Act on Lab Test Results

February 26, 2026 Quest Diagnostics Names Benjamin Beauvalot Senior Vice President, Chief Strategy and M&A Officer

February 26, 202610-K Annual Report for 2025 FY

February 25, 2026 Quest Diagnostics to Speak at the Leerink 2026 Global Healthcare Conference

February 10, 2026Quest Diagnostics Stock Smashes 52-Week High On Strong Quarter, Dividend Hike

February 10, 2026 Quest Diagnostics Reports Fourth Quarter and Full Year 2025 Financial Results; Provides Guidance for Full Year 2026; Increases Quarterly Dividend 7.5% to $0.86 Per Share

February 10, 2026 Quest Diagnostics Increases Dividend 7.5% To $0.86 Per Quarter, Marking 15 Consecutive Years of Dividend Increases; Announces $1 Billion Increase in Share Repurchase Authorization

February 02, 2026 Quest Diagnostics Launches Novel Flow Cytometry MRD Blood Test for Myeloma, Enabling Ultrasensitive Detection of Residual Disease

January 21, 2026 Quest Diagnostics Named to Fortune's World's Most Admired Companies List for 12th Consecutive Year

January 06, 2026 Data Featuring Haystack MRD® from Quest Diagnostics to be Presented at the 2026 ASCO Gastrointestinal Cancers Symposium

January 05, 2026 Corewell Health and Quest Diagnostics Complete Laboratory Joint Venture Transaction in Michigan

December 19, 2025 Quest Diagnostics to Speak at the 44th Annual J.P. Morgan Healthcare Conference

November 14, 2025Hims & Hers Introduces Labs With Annual Plans For Comprehensive Testing

November 11, 2025 Quest Diagnostics Declares Quarterly Cash Dividend

November 03, 2025 Quest Diagnostics to Speak at Citi's 2025 Global Healthcare Conference

October 27, 2025 New Study Demonstrates Accuracy of Two Quest AD-Detect® Tests for Alzheimer's Disease Diagnosis

October 24, 2025Price Over Earnings Overview: Quest Diagnostics

October 22, 2025Quest Diagnostics Analysts Increase Their Forecasts After Q3 Earnings

October 21, 2025Quest Diagnostics Reports Q3 Earnings, Shares Slide

October 21, 2025Gold Sinks 5% On Worst Day In 5 Years, Dow Jones Hits Record Highs: What's Moving Markets Tuesday?

October 21, 2025 Quest Diagnostics Reports Third Quarter 2025 Financial Results; Raises Guidance for Full Year 2025

October 21, 202510-Q Quarterly Report for 2025 Q3

October 17, 2025 MVZ HPH Brings ctDNA Blood Test for Cancer Monitoring to Europe, Based on Haystack MRD® Technology from Quest Diagnostics®

August 25, 2025This Quest Diagnostics Analyst Is No Longer Bullish; Here Are Top 5 Downgrades For Monday

July 23, 202510-Q Quarterly Report for 2025 Q2

July 22, 2025Quest Diagnostics Raises Outlook, But Warns Of Tariff And Medicare Act Risks

July 22, 2025Lockheed, General Motors Tumble, Gold Hits 1-Month Highs: What's Moving Markets Tuesday?

July 21, 2025$1000 Invested In This Stock 5 Years Ago Would Be Worth This Much Today

June 25, 2025Could Personalized Medicine Be Your Portfolio's Next Big Winner? Find Out

June 16, 2025Here's How Much You Would Have Made Owning Quest Diagnostics Stock In The Last 5 Years

May 16, 2025$1000 Invested In This Stock 5 Years Ago Would Be Worth This Much Today

April 24, 2025Here's How Much You Would Have Made Owning Quest Diagnostics Stock In The Last 5 Years

April 23, 202510-Q Quarterly Report for 2025 Q1

April 22, 2025Quest Diagnostics Revenue Rebound, Strategic Moves Fuel Outlook Confidence

April 15, 2025Price Over Earnings Overview: Quest Diagnostics

February 20, 202510-K Annual Report for 2024 FY

January 30, 2025Quest Diagnostics Delivers Q4 Earnings Beat: The Details

October 23, 202410-Q Quarterly Report for 2024 Q3

July 24, 202410-Q Quarterly Report for 2024 Q2

May 15, 2024More Are Cheating on Drug Tests

April 24, 202410-Q Quarterly Report for 2024 Q1

February 22, 202410-K Annual Report for 2023 FY

October 25, 202310-Q Quarterly Report for 2023 Q3

July 27, 202310-Q Quarterly Report for 2023 Q2

April 28, 202310-Q Quarterly Report for 2023 Q1

February 21, 202310-K Annual Report for 2022 FY

October 21, 202210-Q Quarterly Report for 2022 Q3

July 22, 202210-Q Quarterly Report for 2022 Q2

April 22, 202210-Q Quarterly Report for 2022 Q1

February 28, 202210-K Annual Report for 2021 FY

October 22, 202110-Q Quarterly Report for 2021 Q3
A. Company Overview
Quest Diagnostics Inc., established as a public company in 1990, has its origins rooted in various predecessor organizations dating back to 1967. Headquartered in Secaucus, New Jersey, the company operates through an extensive network of laboratories, patient service centers, and various facilities predominantly within the United States and selectively in international markets. Quest Diagnostics is recognized as one of the leading providers of diagnostic information services in the healthcare ecosystem, contributing to improved patient outcomes through an unwavering focus on quality service. In 2023, it reported net revenues of approximately $9.3 billion.
The company occupies a significant role within the healthcare landscape, serving the needs of a broad array of customers, including healthcare providers, patients, government agencies, and insurance organizations. Annually, Quest Diagnostics serves one-third of the adult population in the United States, with approximately half of the nation's physicians and hospitals relying on its extensive diagnostic testing services.
B. The Quest Way
The operational framework of Quest Diagnostics is governed by a set of principles termed “The Quest Way,” which encapsulates the organization’s mission to foster a healthier world, one life at a time. This framework comprises three pivotal components:
- Purpose: To collaboratively create a healthier world through laboratory diagnostics.
- Strategy: Focused on delivering innovative, high-quality, convenient, and affordable solutions that adapt to the evolving needs of customers.
- Culture: Built around the “5Cs” — customer-first, collaboration, care, continuous improvement, and curiosity, which together shape the internal ethos of the company.
This framework aligns with the foundational goals of enhancing medical quality and patient experience while simultaneously reducing the overall costs of healthcare. The company's emphasis on fostering an innovative and supportive work environment is believed to be instrumental in enabling employees to contribute effectively towards the overarching objective of improved health outcomes.
C. Business Strategy
Quest Diagnostics pursues a dual strategy directed at generating growth and optimizing operational efficiencies. Key elements of this strategy include:
- Collaboration: Partnering with healthcare providers to leverage extensive reach and data insights.
- Comprehensive Service Offerings: Delivering an extensive array of diagnostic tests across various specialties, included routine and advanced diagnostics.
- Data Utilization: Utilizing its vast database of clinical lab results to enhance population health management and facilitate value-based care solutions.
- Technological Innovation: Embracing automation and artificial intelligence to drive quality improvements and operational efficiencies across the organization.
This growth strategy is articulated through primary customer channels, including physicians, hospitals, and patients. It is supported by a consistent focus on quality improvement initiatives, which are bolstered by the application of the Quest Management System — a framework for maintaining high standards of performance across organizations.
D. Customer Segments
Physicians
Approximately half of the physicians in the United States utilize Quest Diagnostics' services, which include a broad spectrum of testing options tailored to various specialties. The company’s offerings are designed to provide a comprehensive suite of laboratory tests, enhancing accessibility, quality, and efficiency for healthcare providers.
Hospitals
Quest Diagnostics engages in partnerships with hospitals to offer reference testing services not performed in-house, support lab operations through Professional Laboratory Services, and acquire outreach lab operations. Such collaborations are seen as pivotal given the evolving challenges hospitals encounter in the healthcare landscape, including cost pressures, technology changes, and reimbursement models.
Patients and Consumers
In response to increasing consumer expectations for accessible healthcare services, Quest Diagnostics has reinforced its positioning as a consumer-friendly provider. The company operates over 2,000 patient service centers strategically located in convenient retail settings. Various initiatives, including the "Schedule at Check In" feature and mobile phlebotomy services, have been established to streamline patient experiences.
E. Advanced Diagnostics
The company’s offerings in Advanced Diagnostics™ encompass a variety of specialized services, particularly in molecular diagnostics and oncology. This segment includes traditional oncology testing and next-generation sequencing, enhancing the diagnostic capabilities in complex medical scenarios. Recent expansions in this area, including the acquisition of Haystack Oncology, have positioned Quest Diagnostics to benefit from the increasing demand for non-invasive testing solutions that enable better disease monitoring and treatment efficacy.
F. Acquisitions and Growth
Quest Diagnostics actively pursues strategic acquisitions that align with its business objectives and growth strategy. Notable recent acquisitions include laboratory service assets from prominent health systems, enhancing service offerings and extending market reach. The company has consistently aimed for disciplined investment criteria focused on long-term value creation, integrating new capabilities into its existing operational framework.
G. Quality and Operational Excellence
A cornerstone of Quest Diagnostics' mission is its commitment to quality and operational efficacy, which is pursued through comprehensive quality programs and the Quest Management System. The organization emphasizes continuous quality improvement and utilizes various data analytics tools to monitor and enhance laboratory operations rigorously. This systematic approach to quality management aims to address both regulatory compliance and the overall effectiveness of services provided.
H. Information Technology and Innovation
Quest Diagnostics leverages advanced IT infrastructure to enhance service delivery. The MyQuest® patient healthcare portal and robust electronic health record (EHR) connectivity exemplify the company's efforts in integrating technology to streamline patient engagement and improve provider workflows. Additionally, the engagement in research and development enables ongoing enhancements in test development and service delivery innovation.
Stock Infos
SectorHealth Care
IndustryHealth Services
CEOJames E. Davis
Dividends

Healthcare Services & Hospitals
Quest Diagnostics is a leading provider of diagnostic information services, engaging directly with healthcare providers like physicians and hospitals to deliver a wide range of laboratory tests, thereby supporting operations and enhancing patient care.

Biotechnology
The company's offerings in Advanced Diagnostics™, particularly related to molecular diagnostics and oncology testing, demonstrate its role in biotechnology by employing advanced techniques to gather diagnostic information that is crucial for personalized medicine and treatment protocols.

Genomics
Quest Diagnostics includes next-generation sequencing within its Advanced Diagnostics™ portfolio, which leverages genomic technologies to provide insights into cancer diagnosis, treatment, and management.

Digital Health Solutions
Quest Diagnostics utilizes a robust IT infrastructure, including the MyQuest® patient healthcare portal, to enhance patient engagement and streamline healthcare delivery, aligning with trends in digital health solutions.

Big Data & Analytics
The company utilizes extensive data analytics from its clinical lab results to improve population health management and value-based care solutions, positioning it as a significant player in the field of big data and analytics.