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The themes Quest Diagnostics is part of, the highest-graded companies in its industry, and the companies in its sector whose grade rose recently.
The theme it is part of
Highest-graded in Diagnostics and Research
Graded A or B and worth $2B or more: A first, then the largest.
TMOThermo Fisher Scientific Inc.259,4B US$A+
IDXXIdexx Laboratories Inc.55,5B US$A+
IQVIQVIA Holdings Inc.43,7B US$A
ILMNIllumina, Inc.31,3B US$A+
LHLabcorp Holdings Inc.30,1B US$A
Grade rose recently in Healthcare
Rose to A or B on a filing in the last 90 days, worth $2B or more: largest first.
DHRDanaher Corporation21 oct 2026CBGraded C, now B
MCKMckesson Corporation4 nov 2026BAGraded B, now A
CVSCVS Health Corp4 nov 2026BAGraded B, now A
EWEdwards Lifesciences Corporation4 nov 2026BAGraded B, now A
GEHCGE Healthcare Technologies Inc.28 oct 2026CAGraded C, now A
Cómo gana dinero
- Clinical laboratory and pathology testing98 %
- Insurance risk assessment and healthcare information technology2 %
Los porcentajes de ingresos son estimaciones para three months ended June 30, 2026, no cifras de un informe oficial.
Compite con
- LHLaboratory Corporation of America Holdings (Labcorp)A
- Tamaño
- 30,1B US$
- Margen
- 6,9 %
- Hospital-affiliated laboratories
- Regional and local commercial laboratories
- Physician-office laboratories
Qué vende6
Routine and non-routine clinical laboratory tests
Tests of blood, urine and other samples, including common checks of blood counts, organ function, allergies and infections, as well as more specialized tests.
Advanced diagnostic tests
Specialized tests in areas such as cancer, genetics, brain health and autoimmune disease. Examples include blood tests for Alzheimer’s disease risk and Haystack testing for signs of remaining or returning cancer.
Anatomic pathology
Examination of tissue and cell samples to help diagnose cancer and other diseases.
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Collaborative Lab Solutions
Services that help hospitals manage their laboratories, choose tests, control supply costs and use laboratory data.
QuestHealth.com
A website where people can buy health and wellness tests, with physician review of test orders and the option to discuss results with a physician.
ExamOne
Examinations, sample testing and information gathering that help life insurers assess insurance applicants.
Quién se lo compra6
- Physicians and physician groups order tests for their patients; Quest provides the testing and results.
- Hospitals send some patient samples to Quest for testing and hire it to help manage or support hospital laboratories.
- Patients and consumers use physician-ordered tests or buy certain tests themselves through QuestHealth.com.
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- Health plans and government programs, including Medicare and Medicaid, pay for covered testing under negotiated or program rates.
- Employers buy workplace drug testing and employee health screening services, directly or through service providers.
- Pharmaceutical companies and other laboratories buy clinical-trial testing, diagnostic development or laboratory services.
En qué se apoya y qué podría romperlo
De qué depende el negocio
- 1A large share of testing is paid for by health plans and government programs, so payment rates, coverage rules and test-use policies affect revenue.
- 2Physician referrals and hospital relationships influence how much testing Quest receives; hospitals and physician groups may instead use their own laboratories.
- 3Laboratory testing depends on trained staff, collection and courier networks, laboratory equipment, supplies and information systems.
Qué podría salir mal
- 1Medicare, Medicaid and commercial health plans may lower payment rates, limit covered tests or steer testing to selected providers, reducing revenue or payment per test.
- 2Hospitals and physician groups may bring more testing into their own laboratories, while commercial labs and new testing methods compete for referrals and patients.
- 3Errors in testing, failures to meet quality or regulatory requirements, or interruptions or security breaches in information systems could disrupt laboratory work and harm patient data or customer relationships.
Estados financieros completos →
Sobre Quest Diagnostics Inc.
Quest Diagnostics collects and tests blood, urine, tissue and other samples, then provides results that help healthcare professionals diagnose, monitor and treat medical conditions. It also performs tests that hospitals send to outside laboratories, helps hospitals run their own labs, and offers testing and data services to insurers and other organizations. It processed 244 million test requisitions (2025, high).
- Sede
- Secaucus, New Jersey, United States
- Fundada en
- 1990 (incorporated; predecessor companies date to 1967)
- Empleados
- Nearly 57,000 (December 31, 2025, high)
- Cierre del ejercicio
- December 31
Construido a partir de los propios informes de Quest Diagnostics Inc. ante la Comisión de Bolsa y Valores de EE. UU. (SEC). Las cifras son las declaradas, con el historial por acción reexpresado a la base de acciones de hoy. Esto describe un negocio: no es asesoramiento de inversión ni una recomendación de compra o venta.
