190.84

0.34% -0.66

After Hours: 190.84

Quest Diagnostics Inc (DGX)

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

Quest Diagnostics Inc stock is traded at $190.84, with a volume of 613.80K. It is down -0.34% in the last 24 hours and down -3.63% 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:

$191.50

Open:

$191.39

24h Volume:

613.80K

Relative Volume:

0.61

Market Cap:

$21.13B

Revenue:

$11.28B

Net Income/Loss:

$1.07B

P/E Ratio:

21.05

EPS:

9.0657

Net Cash Flow:

$1.33B

1W Performance:

-2.16%

1M Performance:

-3.63%

6M Performance:

+7.06%

1Y Performance:

+7.47%

1-Day Range:

$189.18

$191.70

1-Week Range:

$187.50

$196.34

52-Week Range:

$164.65

$213.50

Quest Diagnostics Inc Stock (DGX) Company Profile

Name

Quest Diagnostics Inc

Sector

Healthcare (1106)

Industry

Diagnostics & Research (52)

Phone

(973) 520-2700

Address

500 PLAZA DRIVE, SECAUCUS

Employee

57,000

Twitter

@QuestDX

Next Earnings Date

2026-04-21

Latest SEC Filings

DGX's Discussions on Twitter

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

Stocks	Price	Market Cap	Revenue	Net Income	Cash Flow	EPS
DGX Quest Diagnostics Inc	190.84	21.20B	11.28B	1.07B	1.33B	9.0657
TMO Thermo Fisher Scientific Inc	466.76	171.91B	45.20B	6.87B	6.75B	18.19
DHR Danaher Corp	174.63	123.18B	24.78B	3.68B	5.29B	5.1743
IDXX Idexx Laboratories Inc	562.97	44.73B	4.30B	1.06B	1.04B	13.08
WAT Waters Corp	342.75	29.63B	3.17B	642.63M	516.49M	10.77
A Agilent Technologies Inc	117.53	31.70B	7.07B	1.29B	993.00M	4.5355

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

May 03, 2026

Quest Diagnostics Incorporated $DGX Shares Sold by Keybank National Association OH - MarketBeat

May 03, 2026

May 02, 2026

DGX SEC FilingsQuest Diagnostics Inc 10-K, 10-Q, 8-K Forms - Stock Titan

May 02, 2026

Quest Diagnostics Incorporated $DGX Shares Acquired by Davis Selected Advisers - MarketBeat

May 02, 2026

Quest Diagnostics Incorporated $DGX Stock Holdings Increased by Artemis Investment Management LLP - MarketBeat

May 02, 2026

Quest Diagnostics Incorporated $DGX Shares Sold by Pictet Asset Management Holding SA - MarketBeat

May 01, 2026

Quest Diagnostics Incorporated $DGX Shares Sold by Danica Pension Livsforsikringsaktieselskab - MarketBeat

May 01, 2026

Apr 30, 2026

Quest Diagnostics Inc. stock outperforms competitors on strong trading day - MarketWatch

Apr 30, 2026

Quest Diagnostics | SCHEDULE 13G: Others - Moomoo

Apr 30, 2026

Vanguard reports 8.27M Quest Diagnostics shares (NYSE: DGX) stake - Stock Titan

Apr 30, 2026