Quest Diagnostics (DGX) Stock Analysis

What Quest Diagnostics does

Quest Diagnostics Incorporated, founded in 1967 and headquartered in Secaucus, New Jersey, is a premier provider of diagnostic testing, information, and related services, serving clients both domestically and internationally. Its core business involves the development and provision of diverse diagnostic information services, such as routine, advanced clinical, and anatomic pathology testing. While primarily operating under the Quest Diagnostics brand, it also leverages specialized identities like AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum to reach a broad spectrum of clients. Its extensive client base includes patients, clinicians, hospitals, integrated delivery networks, health plans, employers, and other direct healthcare entities. Delivery of these services is facilitated through a robust network comprising laboratories, patient service centers, in-office phlebotomists, call centers, and mobile health professionals including paramedics and nurses. Additionally, the company provides risk assessment services for the life insurance industry and offers comprehensive information technology solutions to healthcare organizations and clinicians.

Key metrics

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PortView analyzes how DGX fits your actual portfolio — position weight, portfolio concentration, unrealized gain/loss, contribution to return, sector exposure, indirect exposure through the ETFs you hold, and correlation with your other holdings. Connect a portfolio to see your personalized figures; PortView never shows another user's private holdings.

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Frequently asked questions

What is the ticker symbol for Quest Diagnostics?

Quest Diagnostics trades under the ticker DGX on NYSE.

Which exchange is DGX listed on?

DGX is listed on NYSE.

What sector does Quest Diagnostics operate in?

Quest Diagnostics is classified in the Healthcare sector (Medical - Diagnostics & Research industry).

How can PortView help analyze DGX in a portfolio?

PortView shows DGX's weight in your portfolio, its contribution to return and risk, sector exposure, indirect exposure through ETFs you own, and correlation with your other holdings.