Quest Diagnostics

DGXNYSE United States Health Care Medical Specialities

Market cap

$27.028 B

$244.88 -0.64%

Close of 21 Sept 2026

Revenue

$11.0B

#395 by revenue

Earnings

$992.0M

#395 by earnings

Shares outstanding

110,373,360

Latest filing cover page

P/E ratio

27.2

Cap ÷ net income

Medical Specialities, ranked by market cap

All 44 →

#6IlluminaILMN$36.1B
#7CenteneCNC$32.1B
#8Quest DiagnosticsDGX$27.0B
#9LabcorpLH$26.0B
#10Guardant HealthGH$23.3B

What if Quest Diagnostics were worth as much as…

Open the what-if tool →

Gold $30.3T

$274,287.69

Per share 1,120× higher

Bitcoin $1.72T

$15,581.69

Per share 63.6× higher

Nvidia $5.48T

$49,648.38

Per share 203× higher

Or at a round number

$50.0B $100.0B $200.0B $500.0B

Where these numbers come from

Share counts and financials for Quest Diagnostics are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Last updated 22 Sept 2026. Read the methodology.