192.30
price up icon1.62%   3.07
after-market After Hours: 192.30
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Quest Diagnostics Inc stock is traded at $192.30, with a volume of 1.64M. It is up +1.62% in the last 24 hours and up +10.84% 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:
$189.23
Open:
$190
24h Volume:
1.64M
Relative Volume:
1.59
Market Cap:
$21.39B
Revenue:
$10.52B
Net Income/Loss:
$999.00M
P/E Ratio:
22.99
EPS:
8.3628
Net Cash Flow:
$1.22B
1W Performance:
+5.46%
1M Performance:
+10.84%
6M Performance:
+10.98%
1Y Performance:
+16.64%
1-Day Range:
Value
$188.65
$193.46
1-Week Range:
Value
$182.36
$193.46
52-Week Range:
Value
$157.20
$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
192.30 21.05B 10.52B 999.00M 1.22B 8.3628
Diagnostics & Research icon
TMO
Thermo Fisher Scientific Inc
542.36 212.36B 44.56B 6.73B 6.29B 17.74
Diagnostics & Research icon
DHR
Danaher Corp
215.75 155.19B 24.57B 3.60B 5.25B 5.0475
Diagnostics & Research icon
IDXX
Idexx Laboratories Inc
643.59 51.34B 4.30B 1.06B 1.04B 13.08
Diagnostics & Research icon
A
Agilent Technologies Inc
129.64 37.70B 6.95B 1.30B 1.15B 4.5696
Diagnostics & Research icon
IQV
Iqvia Holdings Inc
180.96 34.49B 15.90B 1.28B 2.21B 7.2842

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

pulisher
Feb 03, 2026

Is Quest Diagnostics (DGX) Still Attractive After Recent Share Price Strength? - Yahoo Finance

Feb 03, 2026
pulisher
Feb 03, 2026

OTC/DTC Infectious Disease Diagnostics Research Report 2026: Market Strategies, Trends, and Forecasts 2025-2029 - GlobeNewswire Inc.

Feb 03, 2026
pulisher
Feb 03, 2026

Quest Diagnostics Incorporated $DGX Shares Purchased by Peterson Wealth Services - MarketBeat

Feb 03, 2026
pulisher
Feb 03, 2026

Principal Financial Group Inc. Sells 27,101 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Feb 03, 2026
pulisher
Feb 02, 2026

Quest Diagnostics Incorporated (DGX) Stock Analysis: Navigating Growth with a 6.57% Upside Potential - DirectorsTalk Interviews

Feb 02, 2026
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Feb 02, 2026

New myeloma blood test offers alternative to painful bone marrow biopsies - stocktitan.net

Feb 02, 2026
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Feb 02, 2026

Barclays Upgrades Quest Diagnostics to Overweight From Equalweight, Adjusts PT to $210 From $195 - marketscreener.com

Feb 02, 2026
pulisher
Feb 02, 2026

AlphaQuest LLC Acquires 6,284 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Feb 02, 2026
pulisher
Feb 02, 2026

Truist Financial Corp Decreases Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

Feb 02, 2026
pulisher
Jan 31, 2026

Strs Ohio Has $508,000 Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 31, 2026
pulisher
Jan 30, 2026

Esoteric Testing Research Report 2026 - GlobeNewswire Inc.

Jan 30, 2026
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Jan 30, 2026

Alpha Cubed Investments LLC Grows Stock Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 30, 2026
pulisher
Jan 28, 2026

Quest 401(k) Win Suit Faces Scrutiny at Third Circuit - USA Herald

Jan 28, 2026
pulisher
Jan 28, 2026

3rd Circ. Appears Skeptical Of Quest's Early Win In 401(k) Suit - Law360

Jan 28, 2026
pulisher
Jan 28, 2026

Is Quest Diagnostics Incorporated in a bullish channelSell Signal & Reliable Intraday Trade Alerts - Mfd.ru

Jan 28, 2026
pulisher
Jan 28, 2026

J. Safra Sarasin Holding AG Increases Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 28, 2026
pulisher
Jan 28, 2026

Cambiar Investors LLC Lowers Stock Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 28, 2026
pulisher
Jan 28, 2026

Quest Diagnostics: A Continuing Bullish Case For A Leader Among Diagnostic Testing Brands - Seeking Alpha

Jan 28, 2026
pulisher
Jan 26, 2026

A Look At Quest Diagnostics (DGX) Valuation After Recent Share Price Weakness - Yahoo Finance

Jan 26, 2026
pulisher
Jan 25, 2026

Quest Diagnostics (NYSE:DGX) Cut to Hold at Wall Street Zen - MarketBeat

Jan 25, 2026
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Jan 23, 2026

3rd Circ. Preview: Citizens Bank, Quest Fight Appeals In Jan. - Law360

Jan 23, 2026
pulisher
Jan 23, 2026

Stock Market Recap: Can DCWS weather a recessionPortfolio Value Report & Daily Chart Pattern Signal Reports - baoquankhu1.vn

Jan 23, 2026
pulisher
Jan 23, 2026

Rakuten Investment Management Inc. Takes $4.71 Million Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 23, 2026
pulisher
Jan 22, 2026

Boston Common Asset Management LLC Has $17.92 Million Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 22, 2026
pulisher
Jan 21, 2026

Quest Diagnostics Named to Fortune's Most Admired Companies List for 12th Year - Intellectia AI

Jan 21, 2026
pulisher
Jan 21, 2026

Quest Diagnostics Named to Fortune's World's Most Admired Companies List for 12th Consecutive Year - Chartmill

Jan 21, 2026
pulisher
Jan 21, 2026

Company testing 1 in 3 U.S. adults lands Fortune 'Most Admired' spot again - stocktitan.net

Jan 21, 2026
pulisher
Jan 19, 2026

QRG Capital Management Inc. Sells 67,700 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 19, 2026
pulisher
Jan 19, 2026

Campbell & CO Investment Adviser LLC Takes $1.01 Million Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 19, 2026
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Jan 18, 2026

Market Moves: Does Apogee Enterprises Inc have consistent dividend growthWeekly Market Report & Community Driven Trade Alerts - baoquankhu1.vn

Jan 18, 2026
pulisher
Jan 17, 2026

Short Interest in Quest Diagnostics Incorporated (NYSE:DGX) Increases By 38.4% - MarketBeat

Jan 17, 2026
pulisher
Jan 17, 2026

Klein Pavlis & Peasley Financial Inc. Purchases Shares of 5,757 Quest Diagnostics Incorporated $DGX - MarketBeat

Jan 17, 2026
pulisher
Jan 17, 2026

Quest Diagnostics (NYSE:DGX) Raised to Buy at Wall Street Zen - MarketBeat

Jan 17, 2026
pulisher
Jan 16, 2026

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

Jan 16, 2026
pulisher
Jan 16, 2026

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

Jan 16, 2026
pulisher
Jan 16, 2026

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

Jan 16, 2026
pulisher
Jan 16, 2026

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

Jan 16, 2026
pulisher
Jan 15, 2026

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

Jan 15, 2026
pulisher
Jan 15, 2026

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

Jan 15, 2026
pulisher
Jan 15, 2026

100 million tests a year: Arizona lab names new CEO Jennifer Erickson - stocktitan.net

Jan 15, 2026
pulisher
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
pulisher
Jan 13, 2026

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

Jan 13, 2026
pulisher
Jan 13, 2026

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

Jan 13, 2026
pulisher
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
pulisher
Jan 12, 2026

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

Jan 12, 2026
pulisher
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
pulisher
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
pulisher
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
pulisher
Jan 08, 2026

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

Jan 08, 2026

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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diagnostics_research WAT
$376.89
price down icon 1.94%
diagnostics_research LH
$278.23
price up icon 0.75%
$197.08
price down icon 4.15%
diagnostics_research MTD
$1,382.85
price down icon 0.50%
diagnostics_research IQV
$180.96
price down icon 10.65%
Cap:     |  Volume (24h):