Quest Diagnostics Market Cap 2010-2025 | DGX

Quest Diagnostics market cap history and chart from 2010 to 2025. Market capitalization (or market value) is the most commonly used method of measuring the size of a publicly traded company and is calculated by multiplying the current stock price by the number of shares outstanding. Quest Diagnostics market cap as of August 15, 2025 is $19.95B.
Sector Industry Market Cap Revenue
Medical Medical - Outpatient & Home Care $19.954B $9.872B
Quest Diagnostics, Inc. is the provider of commercial laboratory services. Quest provides lab testing services to physicians, hospitals, managed care organizations, employers, government institutions and other clinical laboratories. The company consists of 2 business groups - Diagnostic Information Services and Diagnostic Solutions. The company's focus is on two elements - to accelerate growth and to drive operational excellence. Restore Growth: The company has adopted seven tactical approaches to accelerate growth such as sales and marketing; development of esoteric testing through a disease focus; partnerships with hospitals and successful testing of international IDNs; creation of value from information assets; leadership in companion diagnostics; extension into adjacent markets. Drive Operational excellence: The company plans to focus on four strategic requirements - to enhance end-to-end customer value chain, enterprise information technology architecture, business performance tools and cost excellence.
Stock Name Country Market Cap PE Ratio
Encompass Health (EHC) United States $12.052B 24.07
DaVita (DVA) United States $9.609B 13.74
Elanco Animal Health (ELAN) United States $8.943B 20.00
Chemed (CHE) United States $6.468B 21.66
RadNet (RDNT) United States $5.288B 190.97
Option Care Health (OPCH) United States $4.611B 19.73
Amedisys (AMED) United States $3.321B 21.26
LifeStance Health (LFST) United States $2.170B 0.00
Addus HomeCare (ADUS) United States $2.096B 22.59
Astrana Health (ASTH) United States $1.656B 57.92
Aveanna Healthcare Holdings (AVAH) United States $1.504B 27.69
U.S Physical Therapy (USPH) United States $1.307B 32.69
Pennant (PNTG) United States $0.854B 30.12
Atai Life Sciences (ATAI) Germany $0.803B 0.00
MEDIROM Healthcare Technologies (MRM) Japan $0.064B 0.00
Daxor (DXR) United States $0.051B 0.00
Ontrak (OTRK) United States $0.002B 0.00
Psychemedics (PMD) United States $0.000B 0.00