189.49
price down icon0.40%   -0.77
after-market After Hours: 189.49
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Quest Diagnostics Inc stock is traded at $189.49, with a volume of 1.13M. It is down -0.40% in the last 24 hours and up +6.06% over the past month. Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 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.
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Previous Close:
$190.26
Open:
$189.4
24h Volume:
1.13M
Relative Volume:
1.06
Market Cap:
$21.08B
Revenue:
$10.52B
Net Income/Loss:
$999.00M
P/E Ratio:
22.66
EPS:
8.3628
Net Cash Flow:
$1.22B
1W Performance:
+8.63%
1M Performance:
+6.06%
6M Performance:
+13.45%
1Y Performance:
+24.94%
1-Day Range:
Value
$188.75
$190.96
1-Week Range:
Value
$173.51
$190.99
52-Week Range:
Value
$150.14
$197.55

Quest Diagnostics Inc Stock (DGX) Company Profile

Name
Name
Quest Diagnostics Inc
Name
Phone
(973) 520-2700
Name
Address
500 PLAZA DRIVE, SECAUCUS
Name
Employee
56,000
Name
Twitter
@QuestDX
Name
Next Earnings Date
2025-10-21
Name
Latest SEC Filings
Name
DGX's Discussions on Twitter

Compare DGX with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Diagnostics & Research icon
DGX
Quest Diagnostics Inc
189.49 21.16B 10.52B 999.00M 1.22B 8.3628
Diagnostics & Research icon
TMO
Thermo Fisher Scientific Inc
618.72 234.69B 43.74B 6.58B 6.11B 17.31
Diagnostics & Research icon
DHR
Danaher Corp
235.99 169.45B 24.27B 3.50B 5.02B 4.8589
Diagnostics & Research icon
IDXX
Idexx Laboratories Inc
715.37 56.86B 4.17B 1.03B 940.22M 12.61
Diagnostics & Research icon
IQV
Iqvia Holdings Inc
237.68 41.09B 15.90B 1.28B 2.21B 7.2842
Diagnostics & Research icon
A
Agilent Technologies Inc
139.64 41.06B 6.95B 1.30B 1.15B 4.5696

Quest Diagnostics Inc Stock (DGX) Upgrades & Downgrades

Date Action Analyst Rating Change
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

pulisher
11:00 AM

How Do Investors Really Feel About Quest Diagnostics Inc? - Benzinga

11:00 AM
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08:27 AM

TKG Advisors LLC Raises Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

08:27 AM
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06:12 AM

Nordea Investment Management AB Trims Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

06:12 AM
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03:21 AM

Aug PreEarnings: Is Quest Diagnostics Incorporated stock a value trapWatch List & AI Optimized Trade Strategies - baoquankhu1.vn

03:21 AM
pulisher
Jan 15, 2026

Quest Diagnostics Inc. (NYSE:DGX): A Prime Pick for Steady, Growing Dividends - Chartmill

Jan 15, 2026
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Jan 15, 2026

Manning & Napier Advisors LLC Sells 11,341 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 15, 2026
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Jan 13, 2026

Market Rankings: What are Quest Diagnostics Incorporateds earnings expectationsJuly 2025 Market Mood & Daily Technical Stock Forecast Reports - baoquankhu1.vn

Jan 13, 2026
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Jan 13, 2026

Baird Adjusts Quest Diagnostics Price Target to $203 From $198, Maintains Neutral Rating - marketscreener.com

Jan 13, 2026
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Jan 13, 2026

Quest Diagnostics Incorporated $DGX Shares Purchased by Nisa Investment Advisors LLC - MarketBeat

Jan 13, 2026
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Jan 12, 2026

Best Testosterone Replacement Therapy (TRT) 2026: Taurus Meds Consumer Analysis Examines Online TRT Access and At-Home Testosterone Treatment Options - GlobeNewswire Inc.

Jan 12, 2026
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Jan 12, 2026

SG Americas Securities LLC Sells 19,597 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 12, 2026
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Jan 10, 2026

Is Quest Diagnostics (DGX) Stock Outpacing Its Medical Peers This Year? - Eastern Progress

Jan 10, 2026
pulisher
Jan 09, 2026

Quest Diagnostics About To Put More Money In Your Pocket (DGX) - Nasdaq

Jan 09, 2026
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Jan 09, 2026

How cyclical is Quest Diagnostics Incorporated (QDI) stock compared to rivalsGDP Growth & Free Safe Capital Growth Stock Tips - Улправда

Jan 09, 2026
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Jan 09, 2026

Visby Engages Quest and Labcorp to Broaden Consumer Access to First At-Home, FDA-Authorized PCR Test for STIs - BioSpace

Jan 09, 2026
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Jan 08, 2026

Quest Diagnostics to Release Fourth Quarter and Full Year 2025 Financial Results on February 10, 2026 - Finviz

Jan 08, 2026
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Jan 08, 2026

Can Quest Diagnostics Incorporated stock sustain institutional interestJuly 2025 PostEarnings & Verified Swing Trading Watchlists - Улправда

Jan 08, 2026
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Jan 08, 2026

New 30-minute at-home test helps women detect STIs privately - Stock Titan

Jan 08, 2026
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Jan 08, 2026

Caldwell Trust Co Grows Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 08, 2026
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Jan 08, 2026

Quest Diagnostics Incorporated (NYSE:DGX) Given Consensus Recommendation of "Hold" by Brokerages - MarketBeat

Jan 08, 2026
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Jan 07, 2026

Is It Time To Reassess Quest Diagnostics (DGX) After Recent Share Price Strength? - Yahoo Finance

Jan 07, 2026
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Jan 07, 2026

Quest Diagnostics (DGX) is a Top-Ranked Growth Stock: Should You Buy? - Nasdaq

Jan 07, 2026
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Jan 06, 2026

Data Featuring Haystack MRD from Quest Diagnostics to be Presented at the 2026 ASCO Gastrointestinal Cancers Symposium - Finviz

Jan 06, 2026
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Jan 06, 2026

Data Featuring Haystack MRD® from Quest Diagnostics to be Presented at the 2026 ASCO Gastrointestinal Cancers Symposium - MarketScreener

Jan 06, 2026
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Jan 06, 2026

Data Featuring Haystack MRD® from Quest Diagnostics to be Presented at the 2026 ASCO Gastrointestinal Cancers Symposium – Company AnnouncementFT.com - Financial Times

Jan 06, 2026
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Jan 06, 2026

Assessing Quest Diagnostics (DGX) Valuation After Recent Share Price Momentum And Perceived Undervaluation - Yahoo Finance

Jan 06, 2026
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Jan 05, 2026

Corewell Health, Quest Diagnostics form joint venture - Modern Healthcare

Jan 05, 2026
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Jan 05, 2026

Quest Diagnostics, Corewell Health Complete Laboratory JV in Michigan - MarketScreener

Jan 05, 2026
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Jan 05, 2026

Palmetto Grain Brokerage - Palmetto Grain Brokerage

Jan 05, 2026
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Jan 05, 2026

Corewell Health and Quest Diagnostics Complete Laboratory Joint Venture Transaction in Michigan - Finviz

Jan 05, 2026
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Jan 05, 2026

What You Need To Know Ahead of Quest Diagnostics' Earnings Release - Barchart.com

Jan 05, 2026
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Jan 05, 2026

Quest Diagnostics Incorporated $DGX Shares Sold by SteelPeak Wealth LLC - MarketBeat

Jan 05, 2026
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Jan 02, 2026

Quest Diagnostics Find A Testfav Events Billing & Coding- - shababeek.org

Jan 02, 2026
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Jan 02, 2026

RSI Alert: Quest Diagnostics Now Oversold - Nasdaq

Jan 02, 2026
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Jan 02, 2026

Quest Diagnostics Incorporated $DGX Shares Purchased by Braun Stacey Associates Inc. - MarketBeat

Jan 02, 2026
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Jan 01, 2026

Ethic Inc. Increases Stock Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 01, 2026
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Jan 01, 2026

Q3 Earnings Highlights: Quest (NYSE:DGX) Vs The Rest Of The Testing & Diagnostics Services Stocks - Finviz

Jan 01, 2026
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Dec 31, 2025

Boston Trust Walden Corp Sells 53,026 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Dec 31, 2025
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Dec 30, 2025

Quest Diagnostics (DGX) Upgraded to Buy: Here's Why - Yahoo Finance

Dec 30, 2025
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Dec 30, 2025

Copeland Capital Management LLC Sells 7,889 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Dec 30, 2025
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Dec 28, 2025

Harbor Capital Advisors Inc. Has $596,000 Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

Dec 28, 2025
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Dec 26, 2025

Pacer Advisors Inc. Grows Stock Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Dec 26, 2025
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Dec 25, 2025

Assenagon Asset Management S.A. Lowers Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

Dec 25, 2025
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Dec 24, 2025

Is Quest Diagnostics Stock a Right Pick for Your Portfolio Now? - sharewise.com

Dec 24, 2025
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Dec 23, 2025

Quest Diagnostics Incorporated $DGX Shares Sold by Coho Partners Ltd. - MarketBeat

Dec 23, 2025
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Dec 21, 2025

Voya Investment Management LLC Reduces Stock Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Dec 21, 2025
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Dec 21, 2025

Thrivent Financial for Lutherans Purchases 11,351 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Dec 21, 2025
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Dec 21, 2025

Corient Private Wealth LLC Has $4.49 Million Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

Dec 21, 2025
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Dec 21, 2025

What is the fair value of Quest Diagnostics Incorporated stock now2025 Bull vs Bear & Expert Curated Trade Setups - Улправда

Dec 21, 2025
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Dec 19, 2025

Quest Diagnostics to Speak at the 44th Annual J.P. Morgan Healthcare Conference - PR Newswire

Dec 19, 2025
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Dec 19, 2025

Quest Diagnostics Incorporated's (NYSE:DGX) Fundamentals Look Pretty Strong: Could The Market Be Wrong About The Stock? - Yahoo Finance

Dec 19, 2025

Quest Diagnostics Inc Stock (DGX) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$141.65
price down icon 2.51%
diagnostics_research LH
$270.87
price up icon 0.74%
diagnostics_research WAT
$387.37
price down icon 1.83%
diagnostics_research MTD
$1,460.63
price down icon 2.40%
$231.25
price down icon 3.78%
diagnostics_research A
$139.64
price down icon 3.58%
Cap:     |  Volume (24h):