About Quest Diagnostics Incorporated

Quest Diagnostics Incorporated (NYSE: DGX) is a Healthcare company (Medical - Diagnostics & Research) with a market capitalization of $26.3B. Its Maz Rating is 4.10 out of 5 (A, Strong Buy), ranked against the other companies in its sector.

Factor scores: Valuation 1.86, Growth 2.96, Profitability 4.78, Financial Health 2.93, Momentum 4.21 (as of 2026-10-16).

Sector

Healthcare

Industry

Medical - Diagnostics & Research

Exchange

NYSE

Country

US

CEO

James E. Davis

Employees

51,500

IPO date

1996-12-17