DGX

MKT CAP:$22B

Quest Diagnostics Incorporated

Market Cap

$22B

Healthcare·Medical - Diagnostics & Research·🇺🇸 United States·NYSE

Healthcare·Medical·🇺🇸·NYSE

Stock Price

$204.00+$30.21 (+17.38%)

Apr 22, 2026

Company Details

Quest Diagnostics Incorporated provides diagnostic testing, information, and services in the United States and internationally. The company develops and delivers diagnostic information services, such as routine testing, non-routine and adva...

CEO

James E. Davis

IPO Date

Dec 17, 1996

Website

www.questdiagnostics.com

Key Metrics TTM

Revenue

$10.1B

— YoY

Net Income

$888M

EPS (Diluted)

$7.87

Free Cash Flow

$1.4B

Revenue / Share

$90.29

Gross Margin

32.8%

Operating Margin

13.6%

Net Margin

8.8%

FCF Margin

13.6%

P/S

2.1x

P/E

24.5x

Earnings Reports

Q4 2025

Feb 26, 2026

$2.8B+7.1%EPS $2.18

Q4 2024

Feb 20, 2025

$2.6B+14.6%EPS $1.95

Q2 2024

Jul 24, 2024

$2.4BEPS $2.04

Q4 2023

Feb 22, 2024

$2.3BEPS $1.70

FY 2008

Feb 17, 2009

$7.2B+8.1%EPS $2.97

Revenue & Profitability

Quarter	Revenue	Gross Profit	Operating Income
Q4 23	$2.3B	$740M	$267M
Q2 24	$2.4B	$804M	$355M
Q4 24	$2.6B	$858M	$361M
Q4 25	$2.8B	$914M	$391M

Valuation

Quarter	P/S	P/E
Q4 23	—	—
Q2 24	—	—
Q4 24	—	—
Q4 25	1.9x	22.1x

Operating Cash Flow

Quarter	Operating CF	Free CF
Q4 23	$527M	$455M
Q2 24	$360M	$268M
Q4 24	$464M	$341M
Q4 25	$465M	$307M

Capital Expenditures

Quarter	CapEx
Q4 23	$72M
Q2 24	$92M
Q4 24	$123M
Q4 25	$158M

CapEx

Stock-Based Compensation

Quarter	SBC ($)	% of Revenue
Q4 23	$19M	0.8%
Q2 24	$20M	0.8%
Q4 24	$27M	1.0%
Q4 25	$0	0.0%

OpEx Breakdown

Quarter	SG&A
Q4 23	$402M
Q2 24	$406M
Q4 24	$466M
Q4 25	$486M

Revenue Segments

Quarter	Diagnostic Information Services Business	Other Segments
Q4 23	$2.2B	$67M
Q2 24	$2.3B	—
Q4 24	$2.6B	—
Q4 25	$2.7B	—

War Chest

Quarter	Cash	Short-term Investments	Total
Q2 22	$790M	$0	$790M
Q3 22	$700M	$0	$700M
Q4 22	$315M	$0	$315M
Q1 23	$175M	$0	$175M
Q2 23	$126M	$0	$126M
Q3 23	$143M	$0	$143M
Q4 23	$686M	$0	$686M
Q1 24	$474M	$0	$474M
Q2 24	$271M	$0	$271M
Q3 24	$764M	$0	$764M
Q4 24	$549M	$0	$549M
Q1 25	$188M	$0	$188M
Q2 25	$319M	$0	$319M
Q3 25	$432M	$0	$432M
Q4 25	$420M	$0	$420M
Q1 26	$393M	$0	$393M

Shares Outstanding

Quarter	Shares (Diluted)	QoQ Change	YoY Change
Q4 23	113M	—	—
Q2 24	112M	-0.9%	—
Q4 24	113M	+0.9%	—
Q4 25	112M	-0.9%	—

Shares Outstanding

Revenue Per Employee

Period	Revenue/Employee	Employees
Q4 23	$47.7K	48K
Q2 24	$49.9K	48K
Q4 24	$46.8K	56K
Q4 25	$49.2K	57K

Revenue / Employee