235.89

0.77% 1.49

Quest Diagnostics Inc (DGX)

Overview News Price History Option Chain Financials Discussions Forecast Stock Split Dividend History

Quest Diagnostics Inc stock is traded at $235.89, with a volume of 271.13K. It is up +0.77% in the last 24 hours and up +12.11% over the past month. Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.

Previous Close:

$234.40

Open:

$233.94

24h Volume:

271.13K

Relative Volume:

0.30

Market Cap:

$26.03B

Revenue:

$11.28B

Net Income/Loss:

$1.07B

P/E Ratio:

26.02

EPS:

9.0657

Net Cash Flow:

$1.33B

1W Performance:

-0.60%

1M Performance:

+12.11%

6M Performance:

+14.95%

1Y Performance:

+31.39%

1-Day Range:

$233.00

$237.17

1-Week Range:

$232.28

$240.00

52-Week Range:

$171.18

$240.13

Quest Diagnostics Inc Stock (DGX) Company Profile

Name

Quest Diagnostics Inc

Sector

Healthcare (1089)

Industry

Diagnostics & Research (50)

Phone

(973) 520-2700

Address

500 PLAZA DRIVE, SECAUCUS

Employee

57,000

Twitter

@QuestDX

Next Earnings Date

2026-07-23

Latest SEC Filings

DGX's Discussions on Twitter

Compare DGX vs TMO, DHR, NTRA, IDXX, A

Stocks	Price	Market Cap	Revenue	Net Income	Cash Flow	EPS
DGX Quest Diagnostics Inc	235.87	25.87B	11.28B	1.07B	1.33B	9.0657
TMO Thermo Fisher Scientific Inc	586.82	217.52B	45.20B	6.87B	6.75B	18.19
DHR Danaher Corp	202.01	142.32B	24.78B	3.68B	5.29B	5.1743
NTRA Natera Inc	313.46	44.67B	2.50B	-226.32M	71.51M	-1.6412
IDXX Idexx Laboratories Inc	543.38	43.41B	4.45B	1.10B	1.06B	13.59
A Agilent Technologies Inc	148.76	41.95B	7.23B	1.41B	1.09B	4.979

Quest Diagnostics Inc Stock (DGX) Upgrades & Downgrades

Date	Action	Analyst	Rating Change
Jan-30-26	Upgrade	Barclays	Equal Weight → Overweight
Aug-25-25	Downgrade	Robert W. Baird	Outperform → Neutral
Apr-02-25	Initiated	Redburn Atlantic	Buy
Mar-04-25	Downgrade	Citigroup	Buy → Neutral
Jan-06-25	Upgrade	Leerink Partners	Market Perform → Outperform
Dec-17-24	Upgrade	Morgan Stanley	Equal-Weight → Overweight
Dec-10-24	Resumed	Jefferies	Buy
Oct-23-24	Upgrade	Robert W. Baird	Neutral → Outperform
Aug-28-24	Resumed	Evercore ISI	In-line
Jul-10-24	Upgrade	Citigroup	Neutral → Buy
Feb-26-24	Initiated	Leerink Partners	Market Perform
Feb-07-24	Upgrade	Jefferies	Hold → Buy
Jan-03-24	Initiated	Barclays	Equal Weight
Dec-12-23	Upgrade	BofA Securities	Neutral → Buy
Jun-29-23	Initiated	Piper Sandler	Neutral
May-02-23	Downgrade	BofA Securities	Buy → Neutral
Apr-03-23	Upgrade	Citigroup	Sell → Neutral
Jan-23-23	Initiated	Evercore ISI	In-line
Nov-17-22	Downgrade	Citigroup	Neutral → Sell
Aug-22-22	Resumed	Morgan Stanley	Equal-Weight
Apr-04-22	Downgrade	Citigroup	Buy → Neutral
Feb-23-22	Downgrade	UBS	Buy → Neutral
Feb-02-22	Downgrade	Jefferies	Buy → Hold
Jan-28-22	Downgrade	Deutsche Bank	Buy → Hold
May-04-21	Upgrade	UBS	Neutral → Buy
Mar-12-21	Downgrade	Robert W. Baird	Outperform → Neutral
Oct-21-20	Upgrade	Argus	Hold → Buy
Jul-29-20	Upgrade	KeyBanc Capital Markets	Sector Weight → Overweight
Jul-14-20	Upgrade	BofA Securities	Neutral → Buy
Jun-09-20	Upgrade	Wells Fargo	Underweight → Equal Weight
Jun-02-20	Upgrade	Deutsche Bank	Hold → Buy
Apr-28-20	Upgrade	Morgan Stanley	Equal-Weight → Overweight
Apr-27-20	Upgrade	Citigroup	Neutral → Buy
Apr-27-20	Upgrade	Wolfe Research	Underperform → Peer Perform
Mar-27-20	Downgrade	Morgan Stanley	Overweight → Equal-Weight
Jan-08-20	Initiated	Wells Fargo	Underweight
Jan-07-20	Downgrade	Barclays	Overweight → Equal Weight
Dec-19-19	Upgrade	BofA/Merrill	Underperform → Neutral
Jul-15-19	Downgrade	Goldman	Neutral → Sell
Apr-02-19	Upgrade	Jefferies	Hold → Buy
Mar-18-19	Resumed	Credit Suisse	Neutral
Jan-31-19	Downgrade	Argus	Buy → Hold
Jan-17-19	Initiated	UBS	Neutral
Jan-03-19	Downgrade	BofA/Merrill	Neutral → Underperform
Dec-03-18	Downgrade	BofA/Merrill	Buy → Neutral
Nov-30-18	Downgrade	Goldman	Buy → Neutral

View All

Quest Diagnostics Inc Stock (DGX) Latest News

06:26 AM

Simplicity Wealth LLC Acquires New Position in Quest Diagnostics Incorporated $DGX - MarketBeat

06:26 AM

J.Safra Asset Management Corp Purchases New Shares in Quest Diagnostics Incorporated $DGX - MarketBeat

06:26 AM

Aug 16, 2026

ABN AMRO Bank N.V. Takes $21.52 Million Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 16, 2026

Aug 15, 2026

Carol Devine Miller sells stocks in Pfizer, Quest Diagnostics, Target, and U.S. Bancorp - Investing.com South Africa

Aug 15, 2026

Aug 14, 2026

Quest Diagnostics (DGX) Is Up 2.29% in One Week: What You Should Know - Yahoo Finance

Aug 14, 2026

T. Rowe Price Associates (DGX) discloses 5.43M Quest Diagnostics shares in 13G/A - Stock Titan

Aug 14, 2026

Assenagon Asset Management S.A. Acquires 4,334 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Aug 14, 2026

Aug 13, 2026

Quest Diagnostics Incorporated (NYSE:DGX) Plans Quarterly Dividend of $0.86 - MarketBeat

Aug 13, 2026