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Quest Diagnostics

Quest Diagnostics Market Share Analysis for May 2026

Quest Diagnostics Incorporated is an American clinical laboratory. A Fortune 500 company, Quest operates in the United States, Puerto Rico, Mexico, and Brazil. Quest also maintains collaborative agreements with various hospitals and clinics across the globe.

Health > Health - Other

Domainquestdiagnostics.com

Year Founded1967

Employees> 10001

Annual Revenue> $1B

Quest Diagnostics

Quest Diagnostics (including company regionals)

questdiagnostics.com

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Quest Diagnostics Revenue up to May 2026 is > 1B

revenue generated by Quest Diagnostics top domains

Quest Diagnostics top domains revenue over 3 years

Revenue for Quest Diagnostics top domains

questdiagnostics.com> 1B

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Quest Diagnostics Stock price in May 2026

Quest Diagnostics stock is traded under the ticker #DGX. Below you can review Quest Diagnostics stock performance in the past 12 months up to May 2026

Total visits to Quest Diagnostics's top domains

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Total visits last 3 months

Subsidiaries Breakdown

questdiagnostics.com15.2M

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Avg. visit duration in Quest Diagnostics's top domains

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Average visit duration last 3 months

Subsidiaries Breakdown

questdiagnostics.com00:03:13

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Avg. pageviews on Quest Diagnostics's top domains

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Average page views last 3 months

Subsidiaries Breakdown

questdiagnostics.com4.18

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Quest Diagnostics top competitors by domain

Top similar sites in May 2026, ranked by their affinity

labcorp.comCompany NameLabCorpEmployees> 10001HQUnited States, North Carolina, BurlingtonAnnual revenue> $1BTotal visits15.8MHealth > Health - Other

Top technologies used by Quest Diagnostics

These are the website technologies, by industry, used by Quest Diagnostics top domains

Advertising (14)

DoubleClick

Social (9)

Instagram

Conversion & Analytics (8)

Google Analytics

Marketing (7)

Google Marketing Platform

More Technologies

11

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News & Signals from Quest Diagnostics

With Similarweb Sales signals alerts, you’ll receive daily updates of recognized buying signals whenever new opportunities or threats arise in your target audience.

NewsKren leaves Quest Diagnostics Incorporated.Prior to joining Boston Health AI, Kren held senior leadership positions at Annova Solutions, Glooko, Interscience, MediKeeper, and Quest Diagnostics, where he played key roles in driving business growth and market expansion across the healthcare sector.

NewsAlbrecht left Quest Diagnostics Incorporated as Regional Vice President for the Northeast U.S. region on Jun 4th '26.Albrecht joins Quanterix after more than 25 years at Quest Diagnostics, where he most recently served as regional vice president for the Northeast region.

NewsQuest Diagnostics Incorporated invests into assets: digital ordering, electronic health record connectivity.Over the past several years, Quest Diagnostics has invested in digital ordering, electronic health record connectivity, and data analytics to strengthen ties with providers and payers.