Quest Diagnostics (DGX) SEC Filings: History & Chart

Quest Diagnostics Incorporated(DGX)

Medical - Diagnostics & Research · Secaucus, NJ

$236.32-0.27 (-0.11%)

Delayed quote: Sep 25, 2026, 4:00 PM EDT

About Quest Diagnostics Incorporated

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.

Secaucus, NJ

51,500 employees

www.questdiagnostics.com

Healthcare / Medical - Diagnostics & Research

Sector: Healthcare
Industry: Medical - Diagnostics & Research
CEO: James E. Davis

View full financials

Form	Filing Date	Accepted	Document
4	Sep 3, 2026	Sep 3, 2026	View filing
4	Aug 31, 2026	Aug 31, 2026	View filing
SC 13G/A	Aug 14, 2026	Aug 14, 2026	View filing
4	Jul 29, 2026	Jul 29, 2026	View filing
4	Jul 27, 2026	Jul 27, 2026	View filing
4	Jul 27, 2026	Jul 27, 2026	View filing
4	Jul 27, 2026	Jul 27, 2026	View filing
4	Jul 27, 2026	Jul 27, 2026	View filing
4	Jul 27, 2026	Jul 27, 2026	View filing
4	Jul 27, 2026	Jul 27, 2026	View filing
4	Jul 27, 2026	Jul 27, 2026	View filing
4	Jul 27, 2026	Jul 27, 2026	View filing
10-Q	Jul 23, 2026	Jul 23, 2026	View filing
8-K	Jul 23, 2026	Jul 23, 2026	View filing
4	Jul 2, 2026	Jul 2, 2026	View filing
11-K	Jun 18, 2026	Jun 18, 2026	View filing
4	Jun 8, 2026	Jun 8, 2026	View filing
4	Jun 2, 2026	Jun 2, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
4	May 21, 2026	May 21, 2026	View filing
8-K	May 21, 2026	May 21, 2026	View filing
8-K	May 8, 2026	May 8, 2026	View filing

SEC Filings

Recent Filings