208.45
price up icon0.04%   0.09
pre-market  Pre-market:  208.45  
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Quest Diagnostics Inc stock is traded at $208.45, with a volume of 488.00K. It is up +0.04% in the last 24 hours and up +10.16% 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:
$208.36
Open:
$208.14
24h Volume:
488.00K
Relative Volume:
0.49
Market Cap:
$22.98B
Revenue:
$10.52B
Net Income/Loss:
$999.00M
P/E Ratio:
24.93
EPS:
8.3628
Net Cash Flow:
$1.22B
1W Performance:
+0.31%
1M Performance:
+10.16%
6M Performance:
+15.73%
1Y Performance:
+19.11%
1-Day Range:
Value
$207.11
$209.76
1-Week Range:
Value
$203.89
$213.50
52-Week Range:
Value
$157.20
$213.50

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 vs TMO, DHR, IDXX, A, WAT

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Diagnostics & Research icon
DGX
Quest Diagnostics Inc
208.45 22.97B 10.52B 999.00M 1.22B 8.3628
Diagnostics & Research icon
TMO
Thermo Fisher Scientific Inc
512.69 190.90B 44.56B 6.73B 6.29B 17.74
Diagnostics & Research icon
DHR
Danaher Corp
204.73 144.26B 24.57B 3.60B 5.26B 5.051
Diagnostics & Research icon
IDXX
Idexx Laboratories Inc
648.70 50.60B 4.30B 1.06B 1.04B 13.08
Diagnostics & Research icon
A
Agilent Technologies Inc
120.54 33.67B 6.95B 1.30B 1.15B 4.5696
Diagnostics & Research icon
WAT
Waters Corp
319.04 30.62B 3.17B 642.63M 516.49M 10.77

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
Mar 04, 2026

Quest Diagnostics (NYSE: DGX) EVP sells shares and disposes stock for taxes - Stock Titan

Mar 04, 2026
pulisher
Mar 04, 2026

Quest Diagnostics (NYSE: DGX) SVP sells 526 shares in plan - Stock Titan

Mar 04, 2026
pulisher
Mar 04, 2026

Quest Diagnostics (NYSE: DGX) CEO discloses 10,000-share stock sale - Stock Titan

Mar 04, 2026
pulisher
Mar 04, 2026

Quest Diagnostics (DGX) SVP sells and withholds shares under plan - Stock Titan

Mar 04, 2026
pulisher
Mar 04, 2026

Quest Diagnostics (NYSE: DGX) SVP covers tax obligations with share sale - Stock Titan

Mar 04, 2026
pulisher
Mar 04, 2026

Quest Diagnostics (NYSE: DGX) SVP reports tax-withholding stock disposition on Form 4 - Stock Titan

Mar 04, 2026
pulisher
Mar 03, 2026

Quest Diagnostics Remains a Dominant Competitor in Independent Labs - Morningstar

Mar 03, 2026
pulisher
Mar 03, 2026

Catherine Doherty reports 27,598 DGX share dispositions in Form 144 (NYSE: DGX) - Stock Titan

Mar 03, 2026
pulisher
Mar 03, 2026

DGX insider sale notice (DGX) — 526 vested shares; prior 1,111 sold - Stock Titan

Mar 03, 2026
pulisher
Mar 03, 2026

Insider sale notice for DGX (DGX): Plewman lists proposed share disposals - Stock Titan

Mar 03, 2026
pulisher
Mar 03, 2026

Victory Capital Management Inc. Sells 465,252 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 03, 2026
pulisher
Mar 03, 2026

DGX Financials: Income Statement, Balance Sheet & Cash Flow - Stock Titan

Mar 03, 2026
pulisher
Mar 03, 2026

Quest Diagnostics launches AI tool to analyze lab results By Investing.com - Investing.com Canada

Mar 03, 2026
pulisher
Mar 02, 2026

DGX (NYSE: DGX) Form 144 shows proposed sale of 10,000 shares - Stock Titan

Mar 02, 2026
pulisher
Mar 02, 2026

Quest Diagnostics Rolls Out Gemini-Powered AI Tool to Explain Lab Results - marketscreener.com

Mar 02, 2026
pulisher
Mar 02, 2026

New Quest AI chat uses 5 years of lab data to spot potential health risks - Stock Titan

Mar 02, 2026
pulisher
Mar 02, 2026

Quest Diagnostics Inc. (NYSE:DGX) Stands Out as a Sustainable Dividend Stock - ChartMill

Mar 02, 2026
pulisher
Mar 02, 2026

Quest Diagnostics Incorporated $DGX Position Lowered by IVY Lane Capital Management LLC - MarketBeat

Mar 02, 2026
pulisher
Mar 02, 2026

Bahl & Gaynor Inc. Decreases Stock Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 02, 2026
pulisher
Mar 02, 2026

APG Asset Management N.V. Cuts Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 02, 2026
pulisher
Mar 02, 2026

Quest Diagnostics Incorporated $DGX Shares Bought by American Century Companies Inc. - MarketBeat

Mar 02, 2026
pulisher
Mar 01, 2026

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

Mar 01, 2026
pulisher
Mar 01, 2026

Quest Diagnostics Incorporated $DGX Shares Sold by Vestmark Advisory Solutions Inc. - MarketBeat

Mar 01, 2026
pulisher
Mar 01, 2026

Quest Diagnostics Incorporated $DGX Shares Acquired by Mitsubishi UFJ Asset Management Co. Ltd. - MarketBeat

Mar 01, 2026
pulisher
Feb 27, 2026

Quest Diagnostics (NYSE:DGX) Sets New 1-Year HighWhat's Next? - MarketBeat

Feb 27, 2026
pulisher
Feb 27, 2026

Quest Diagnostics stock reaches all-time high at 213.21 USD By Investing.com - Investing.com Canada

Feb 27, 2026
pulisher
Feb 27, 2026

Quest Diagnostics appoints Beauvalot to SVP, chief strategy and M&A officer - ROI-NJ

Feb 27, 2026
pulisher
Feb 27, 2026

Decoding Quest Diagnostics Inc (DGX): A Strategic SWOT Insight - GuruFocus

Feb 27, 2026
pulisher
Feb 26, 2026

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

Feb 26, 2026
pulisher
Feb 26, 2026

Insight Molecular Diagnostics Signs Quest Specimen Collection Agreement - TipRanks

Feb 26, 2026
pulisher
Feb 26, 2026

In Insight Molecular Diagnostics Inc. Enters into A Specimen Collection Agreement with Quest Diagnostics Incorporated - marketscreener.com

Feb 26, 2026
pulisher
Feb 26, 2026

Quest Diagnostics Announces Appointment of Benjamin Beauvalot as Senior Vice President, Chief Strategy and M&A Officer - marketscreener.com

Feb 26, 2026
pulisher
Feb 26, 2026

After nearly 80 deals, Quest Diagnostics names new M&A chief - Stock Titan

Feb 26, 2026
pulisher
Feb 26, 2026

According to a document submitted to the U.S. Securities and Exchange Commission (SEC), Insight Molecular Diagnostics Inc. has reached a service agreement with Quest Diagnostics. - Bitget

Feb 26, 2026
pulisher
Feb 25, 2026

Quest Diagnostics to Speak at the Leerink 2026 Global Healthcare Conference - Finviz

Feb 25, 2026
pulisher
Feb 25, 2026

Quest Diagnostics CFO to outline strategy, market trends at Leerink 2026 event - Stock Titan

Feb 25, 2026
pulisher
Feb 24, 2026

Citigroup Inc. Acquires 25,666 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Feb 24, 2026
pulisher
Feb 23, 2026

Guardant Health Expands Cancer Testing Platform With MetaSight Deal And Shield Growth - Yahoo Finance

Feb 23, 2026
pulisher
Feb 23, 2026

Quest Diagnostics (NYSE:DGX) EVP Sells $293,521.39 in Stock - Defense World

Feb 23, 2026
pulisher
Feb 22, 2026

Quest Diagnostics (NYSE:DGX) Lowered to Hold Rating by Wall Street Zen - MarketBeat

Feb 22, 2026
pulisher
Feb 21, 2026

Compass Wealth Management LLC Makes New Investment in Quest Diagnostics Incorporated $DGX - Defense World

Feb 21, 2026
pulisher
Feb 21, 2026

ANTIPODES PARTNERS Ltd Has $11.76 Million Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Feb 21, 2026
pulisher
Feb 20, 2026

Quest Diagnostics (NYSE:DGX) SVP Sells $196,227.14 in Stock - MarketBeat

Feb 20, 2026
pulisher
Feb 20, 2026

Insider Selling: Quest Diagnostics (NYSE:DGX) SVP Sells 1,111 Shares of Stock - MarketBeat

Feb 20, 2026
pulisher
Feb 20, 2026

Quest Diagnostics (NYSE: DGX) CEO awarded options and RSUs, shares withheld for taxes - Stock Titan

Feb 20, 2026
pulisher
Feb 20, 2026

Quest Diagnostics (DGX) EVP logs stock sale, option and RSU awards - Stock Titan

Feb 20, 2026
pulisher
Feb 20, 2026

Quest Diagnostics (DGX) SVP logs option, RSU grants and tax share disposals - Stock Titan

Feb 20, 2026
pulisher
Feb 20, 2026

Dividend plan boosts Quest Diagnostics (NYSE: DGX) director holdings - Stock Titan

Feb 20, 2026
pulisher
Feb 20, 2026

Quest Diagnostics (DGX) director acquires 67 shares through dividend reinvestment - Stock Titan

Feb 20, 2026
pulisher
Feb 20, 2026

Quest Diagnostics (NYSE: DGX) SVP gets options, RSUs and tax withholdings - Stock Titan

Feb 20, 2026
pulisher
Feb 19, 2026

A diagnostics company moved out. Its former landlord claims it left a mess. - The Business Journals

Feb 19, 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 LH
$280.85
price down icon 0.76%
diagnostics_research MTD
$1,286.66
price down icon 2.28%
$203.03
price down icon 1.94%
diagnostics_research IQV
$177.88
price up icon 2.25%
diagnostics_research WAT
$319.04
price up icon 2.21%
Cap:     |  Volume (24h):