182.78
price down icon0.70%   -1.29
after-market After Hours: 182.78
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Quest Diagnostics Inc stock is traded at $182.78, with a volume of 795.79K. It is down -0.70% in the last 24 hours and down -0.07% 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:
$184.07
Open:
$182.71
24h Volume:
795.79K
Relative Volume:
0.84
Market Cap:
$20.44B
Revenue:
$10.52B
Net Income/Loss:
$999.00M
P/E Ratio:
21.86
EPS:
8.3628
Net Cash Flow:
$1.22B
1W Performance:
+2.44%
1M Performance:
-0.07%
6M Performance:
+11.46%
1Y Performance:
+22.94%
1-Day Range:
Value
$181.82
$184.24
1-Week Range:
Value
$178.54
$184.48
52-Week Range:
Value
$146.91
$191.49

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
2025-07-22
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
182.78 20.58B 10.52B 999.00M 1.22B 8.3628
Diagnostics & Research icon
TMO
Thermo Fisher Scientific Inc
524.58 198.17B 43.21B 6.58B 6.17B 17.28
Diagnostics & Research icon
DHR
Danaher Corp
205.14 144.97B 24.01B 3.41B 4.86B 4.7082
Diagnostics & Research icon
IDXX
Idexx Laboratories Inc
633.32 49.29B 4.04B 985.66M 774.34M 12.01
Diagnostics & Research icon
A
Agilent Technologies Inc
138.23 38.73B 6.79B 1.22B 1.09B 4.2644
Diagnostics & Research icon
IQV
Iqvia Holdings Inc
203.77 33.69B 15.70B 1.24B 2.01B 6.9036

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

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How supply chain issues affect Quest Diagnostics Incorporated stockWeekly Stock Report & Low Risk High Win Rate Stock Picks - newser.com

12:18 PM
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Published on: 2025-10-13 08:58:36 - newser.com

09:58 AM
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How to read the order book for Quest Diagnostics IncorporatedWeekly Trend Recap & Verified Stock Trade Ideas - newser.com

07:53 AM
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How Quest Diagnostics Incorporated (QDI) stock reacts to stronger dollar2025 Technical Patterns & Stepwise Entry/Exit Trade Alerts - newser.com

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12:45 PM

Is Quest Diagnostics Incorporated stock cheap compared to fundamentalsJuly 2025 Pullbacks & High Yield Stock Recommendations - newser.com

12:45 PM
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12:22 PM

What To Expect From Quest Diagnostics’ Next Quarterly Earnings Report - Barchart.com

12:22 PM
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Oct 12, 2025

Published on: 2025-10-12 22:32:22 - newser.com

Oct 12, 2025
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Oct 12, 2025

Sivik Global Healthcare LLC Invests $4.49 Million in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 12, 2025
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Oct 11, 2025

Quest Diagnostics Experiences Revision in Stock Evaluation Amidst Market Dynamics - Markets Mojo

Oct 11, 2025
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Oct 11, 2025

Blair William & Co. IL Buys 38,588 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 11, 2025
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Oct 11, 2025

Quest Diagnostics Incorporated $DGX Shares Sold by Galvin Gaustad & Stein LLC - MarketBeat

Oct 11, 2025
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Oct 10, 2025

Ranking Quest Diagnostics Incorporated among high performing stocks via toolsBuy Signal & Weekly Setup with ROI Potential - newser.com

Oct 10, 2025
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Oct 10, 2025

Trend analysis for Quest Diagnostics Incorporated this weekAnalyst Upgrade & Consistent Profit Focused Trading Strategies - newser.com

Oct 10, 2025
pulisher
Oct 10, 2025

Q3 EPS Estimate for Quest Diagnostics Decreased by Analyst - MarketBeat

Oct 10, 2025
pulisher
Oct 10, 2025

Rice Partnership LLC Invests $3.33 Million in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 10, 2025
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Oct 10, 2025

Game Plan Financial Advisors LLC Cuts Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 10, 2025
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Oct 10, 2025

Can Quest Diagnostics Incorporated stock sustain breakout momentumSwing Trade & Free Weekly Watchlist of Top Performers - newser.com

Oct 10, 2025
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Oct 10, 2025

Vontobel Holding Ltd. Boosts Stock Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 10, 2025
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Oct 10, 2025

How Quest Diagnostics Incorporated (QDI) stock responds to job market shifts2025 Top Gainers & AI Enhanced Execution Alerts - newser.com

Oct 10, 2025
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Oct 10, 2025

Can Quest Diagnostics Incorporated (QDI) stock retain market dominanceMarket Sentiment Report & Technical Pattern Alert System - newser.com

Oct 10, 2025
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Oct 10, 2025

Quest Diagnostics' (DGX) Buy (B) Rating Reiterated at Weiss Ratings - MarketBeat

Oct 10, 2025
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Oct 09, 2025

Will Quest Diagnostics Incorporated stock hit analyst forecastsJuly 2025 PostEarnings & Safe Entry Trade Reports - newser.com

Oct 09, 2025
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Oct 09, 2025

What macro factors could drive Quest Diagnostics Incorporated stock higher2025 Key Lessons & Safe Investment Capital Preservation Plans - newser.com

Oct 09, 2025
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Oct 09, 2025

Bar Harbor Wealth Management Invests $2.73 Million in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 09, 2025
pulisher
Oct 09, 2025

Janney Montgomery Scott LLC Has $3.62 Million Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 09, 2025
pulisher
Oct 08, 2025

Evercore ISI Group Raises Price Target for Quest Diagnostics (DG - GuruFocus

Oct 08, 2025
pulisher
Oct 08, 2025

Quest Diagnostics (NYSE:DGX) Price Target Raised to $190.00 - MarketBeat

Oct 08, 2025
pulisher
Oct 08, 2025

Evercore ISI Adjusts Price Target on Quest Diagnostics to $190 From $185, Maintains In Line Rating - MarketScreener

Oct 08, 2025
pulisher
Oct 08, 2025

Leerink Partners Adjusts Price Target on Quest Diagnostics to $203 From $192, Maintains Outperform Rating - MarketScreener

Oct 08, 2025
pulisher
Oct 06, 2025

Is Quest Diagnostics Incorporated (QDI) stock a top pick for value investorsJuly 2025 Movers & Low Drawdown Momentum Ideas - newser.com

Oct 06, 2025
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Oct 06, 2025

2,014 Shares in Quest Diagnostics Incorporated $DGX Purchased by Gratus Wealth Advisors LLC - MarketBeat

Oct 06, 2025
pulisher
Oct 06, 2025

Appleton Partners Inc. MA Boosts Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 06, 2025
pulisher
Oct 06, 2025

Knights of Columbus Asset Advisors LLC Purchases 2,526 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 06, 2025
pulisher
Oct 06, 2025

OLD National Bancorp IN Raises Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 06, 2025
pulisher
Oct 06, 2025

Why Quest Diagnostics Incorporated stock could rally stronglyJuly 2025 Outlook & Technical Pattern Alert System - newser.com

Oct 06, 2025
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Oct 06, 2025

Will Quest Diagnostics Incorporated continue its uptrend2025 Top Decliners & AI Based Buy and Sell Signals - newser.com

Oct 06, 2025
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Oct 06, 2025

Quest Diagnostics Incorporated stock daily chart insightsJuly 2025 Market Mood & AI Driven Stock Price Forecasts - newser.com

Oct 06, 2025
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Oct 06, 2025

Quest Diagnostics: Investing In Healthcare's Future Today (NYSE:DGX) - Seeking Alpha

Oct 06, 2025
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Oct 05, 2025

How Quest Diagnostics Incorporated (QDI) stock behaves in tightening cycles2025 Trading Recap & Precise Trade Entry Recommendations - newser.com

Oct 05, 2025
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Oct 05, 2025

Evaluating Quest Diagnostics Incorporated with trendline analysis2025 Price Momentum & Smart Money Movement Tracker - newser.com

Oct 05, 2025
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Oct 05, 2025

Technical analysis overview for Quest Diagnostics Incorporated stockTrade Risk Report & Community Consensus Stock Picks - newser.com

Oct 05, 2025
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Oct 05, 2025

What to expect from Quest Diagnostics Incorporated in the next 30 daysWeekly Profit Recap & Verified High Yield Trade Plans - newser.com

Oct 05, 2025
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Oct 05, 2025

74,250 Shares in Quest Diagnostics Incorporated $DGX Bought by Boston Common Asset Management LLC - MarketBeat

Oct 05, 2025
pulisher
Oct 05, 2025

QRG Capital Management Inc. Buys 11,008 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 05, 2025
pulisher
Oct 04, 2025

J. Safra Sarasin Holding AG Grows Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 04, 2025
pulisher
Oct 03, 2025

Why Quest Diagnostics (DGX) is a Top Growth Stock for the Long-Term - sharewise.com

Oct 03, 2025
pulisher
Oct 03, 2025

Is Quest Diagnostics' (DGX) Shield Partnership Transforming Its Role in Preventive Health Innovation? - Yahoo Finance

Oct 03, 2025
pulisher
Oct 03, 2025

Copeland Capital Management LLC Has $31.66 Million Stock Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Oct 03, 2025
pulisher
Oct 03, 2025

How Quest Diagnostics Incorporated (QDI) stock moves in volatile trading sessionsJuly 2025 Summary & Real-Time Volume Triggers - newser.com

Oct 03, 2025
pulisher
Oct 03, 2025

Analyzing Quest Diagnostics Incorporated with multi timeframe chartsPortfolio Growth Summary & Community Verified Trade Signals - newser.com

Oct 03, 2025
pulisher
Oct 03, 2025

State of Alaska Department of Revenue Has $2.25 Million Stock Position in Quest Diagnostics Incorporated $DGX - Defense World

Oct 03, 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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Quest Diagnostics Inc Stock (DGX) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
PREVOZNIK MICHAEL E
SVP & General Counsel
Sep 26 '25
Sale
188.13
227
42,706
38,117
diagnostics_research WAT
$336.33
price up icon 1.61%
diagnostics_research LH
$276.64
price down icon 0.45%
$174.17
price up icon 2.89%
diagnostics_research MTD
$1,284.74
price up icon 0.87%
diagnostics_research IQV
$203.77
price up icon 2.83%
Cap:     |  Volume (24h):