198.61
price down icon0.17%   -0.33
pre-market  Pre-market:  200.11   1.50   +0.76%
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Quest Diagnostics Inc stock is traded at $198.61, with a volume of 792.37K. It is down -0.17% in the last 24 hours and down -3.35% 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.
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Previous Close:
$198.94
Open:
$200.7
24h Volume:
792.37K
Relative Volume:
0.81
Market Cap:
$21.82B
Revenue:
$11.04B
Net Income/Loss:
$1.04B
P/E Ratio:
22.67
EPS:
8.7626
Net Cash Flow:
$1.36B
1W Performance:
-1.14%
1M Performance:
-3.35%
6M Performance:
+8.98%
1Y Performance:
+14.49%
1-Day Range:
Value
$197.18
$200.70
1-Week Range:
Value
$197.18
$205.00
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
57,000
Name
Twitter
@QuestDX
Name
Next Earnings Date
2026-04-28
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
198.61 21.86B 11.04B 1.04B 1.36B 8.7626
Diagnostics & Research icon
TMO
Thermo Fisher Scientific Inc
472.71 174.60B 44.56B 6.72B 6.29B 17.74
Diagnostics & Research icon
DHR
Danaher Corp
195.21 135.34B 24.57B 3.60B 5.26B 5.051
Diagnostics & Research icon
IDXX
Idexx Laboratories Inc
586.98 46.69B 4.30B 1.06B 1.04B 13.08
Diagnostics & Research icon
A
Agilent Technologies Inc
112.75 31.60B 7.07B 1.29B 993.00M 4.5355
Diagnostics & Research icon
WAT
Waters Corp
296.99 28.45B 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
04:40 AM

Danica Pension Livsforsikringsaktieselskab Buys Shares of 70,846 Quest Diagnostics Incorporated $DGX - MarketBeat

04:40 AM
pulisher
Mar 17, 2026

4 Outpatient Home Health Stocks Gaining Attention Amid Market Shifts - TradingView

Mar 17, 2026
pulisher
Mar 17, 2026

Quest Diagnostics Incorporated $DGX Shares Sold by Chevy Chase Trust Holdings LLC - MarketBeat

Mar 17, 2026
pulisher
Mar 16, 2026

Quest Diagnostics (DGX) down 4.2% since last earnings report: Can it rebound? - MSN

Mar 16, 2026
pulisher
Mar 16, 2026

Aquatic Capital Management LLC Has $8.06 Million Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 16, 2026
pulisher
Mar 15, 2026

EdgePoint Investment Group Inc. Grows Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 15, 2026
pulisher
Mar 15, 2026

CSM Advisors LLC Sells 20,078 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 15, 2026
pulisher
Mar 15, 2026

Crawford Investment Counsel Inc. Purchases 9,473 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 15, 2026
pulisher
Mar 15, 2026

Quest Diagnostics Incorporated $DGX Stock Position Increased by 8 Knots Management LLC - MarketBeat

Mar 15, 2026
pulisher
Mar 15, 2026

Quest Diagnostics Incorporated (NYSE:DGX) Sees Large Decrease in Short Interest - MarketBeat

Mar 15, 2026
pulisher
Mar 14, 2026

iSAM Funds UK Ltd Invests $1.47 Million in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 14, 2026
pulisher
Mar 14, 2026

Integral Health Asset Management LLC Sells 65,000 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 14, 2026
pulisher
Mar 13, 2026

Quest Diagnostics Elects Wentworth to Board of Directors - New Jersey Business Magazine

Mar 13, 2026
pulisher
Mar 13, 2026

Korea Investment CORP Sells 14,900 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 13, 2026
pulisher
Mar 13, 2026

Quest Diagnostics Elects Former Walgreens Boots Alliance CEO Timothy Wentworth to Board of Directors - Minichart

Mar 13, 2026
pulisher
Mar 12, 2026

Quest Diagnostics (DGX) Appoints Timothy Wentworth to Board of D - GuruFocus

Mar 12, 2026
pulisher
Mar 12, 2026

Quest Diagnostics adds ex-Walgreens CEO to board - Investing.com South Africa

Mar 12, 2026
pulisher
Mar 12, 2026

Quest Diagnostics Elects Timothy Wentworth, Former CEO of Walgreens Boots Alliance, Evernorth Health Services and Express Scripts, to Board of Directors - Quest Diagnostics Newsroom

Mar 12, 2026
pulisher
Mar 12, 2026

Quest Diagnostics (DGX) Down 4.2% Since Last Earnings Report: Can It Rebound? - Yahoo Finance

Mar 12, 2026
pulisher
Mar 11, 2026

Quest Diagnostics (DGX) director Timothy Wentworth files insider Form 3 - Stock Titan

Mar 11, 2026
pulisher
Mar 11, 2026

Quest Diagnostics Incorporated $DGX Position Trimmed by Schroder Investment Management Group - MarketBeat

Mar 11, 2026
pulisher
Mar 11, 2026

Quest Diagnostics Expands Preventive Reach With Shield Colorectal Blood Test - simplywall.st

Mar 11, 2026
pulisher
Mar 11, 2026

First Trust Advisors LP Raises Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 11, 2026
pulisher
Mar 11, 2026

Banque Cantonale Vaudoise Acquires 5,985 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 11, 2026
pulisher
Mar 10, 2026

Should You Keep DGX Shares in Your Investment Portfolio? - Bitget

Mar 10, 2026
pulisher
Mar 10, 2026

Should You Continue to Hold DGX Stock in Your Portfolio? - The Globe and Mail

Mar 10, 2026
pulisher
Mar 10, 2026

Barclays PLC Has $47.86 Million Position in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 10, 2026
pulisher
Mar 09, 2026

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

Mar 09, 2026
pulisher
Mar 07, 2026

Plewman Patrick, Quest Diagnostics SVP, sells $588k in stock By Investing.com - Investing.com India

Mar 07, 2026
pulisher
Mar 06, 2026

Implied volatility surging for Quest Diagnostics stock options - MSN

Mar 06, 2026
pulisher
Mar 06, 2026

Insider Selling: Quest Diagnostics (NYSE:DGX) EVP Sells $1,146,115.18 in Stock - MarketBeat

Mar 06, 2026
pulisher
Mar 06, 2026

Insider Selling: Quest Diagnostics (NYSE:DGX) SVP Sells 3,878 Shares of Stock - MarketBeat

Mar 06, 2026
pulisher
Mar 06, 2026

Plewman Patrick, Quest Diagnostics SVP, sells $588k in stock - Investing.com Nigeria

Mar 06, 2026
pulisher
Mar 06, 2026

Quest Diagnostics Insider Sold Shares Worth $799,682, According to a Recent SEC Filing - marketscreener.com

Mar 06, 2026
pulisher
Mar 06, 2026

Quest Diagnostics (DGX) SVP awarded 5,682 shares; 2,326 withheld for taxes - Stock Titan

Mar 06, 2026
pulisher
Mar 06, 2026

Quest Diagnostics (DGX) SVP & General Counsel reports award, tax withholding and 10b5-1 share sale - Stock Titan

Mar 06, 2026
pulisher
Mar 06, 2026

Quest Diagnostics (DGX) CEO receives stock award and uses shares for taxes - Stock Titan

Mar 06, 2026
pulisher
Mar 06, 2026

Quest Diagnostics (DGX) SVP granted 6,200 shares, surrenders 2,628 for taxes - Stock Titan

Mar 06, 2026
pulisher
Mar 06, 2026

Dimensional Fund Advisors LP Has $363.51 Million Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 06, 2026
pulisher
Mar 05, 2026

Implied Volatility Surging for Quest Diagnostics Stock Options - TradingView

Mar 05, 2026
pulisher
Mar 05, 2026

3,878-Share Rule 144 Notice for DGX (NYSE: DGX) Insider Sales - Stock Titan

Mar 05, 2026
pulisher
Mar 05, 2026

Genomics Services Market Projected to Surpass USD 25.18 Billion by 2035; Increasing Genetic Disorders’ Prevalence is Driving Market Growth Globally – SNS Insider - GlobeNewswire Inc.

Mar 05, 2026
pulisher
Mar 05, 2026

Elo Mutual Pension Insurance Co Makes New $2.03 Million Investment in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 05, 2026
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 04, 2026

Quest Diagnostics Hits New 52-Week High of $213.50, Up 49.79% - Markets Mojo

Mar 04, 2026
pulisher
Mar 04, 2026

Quest Diagnostics Remains a Dominant Competitor in Independent Labs - Morningstar

Mar 04, 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
$270.62
price up icon 1.41%
diagnostics_research MTD
$1,206.72
price up icon 0.67%
$198.38
price up icon 0.35%
diagnostics_research IQV
$168.43
price up icon 2.15%
diagnostics_research WAT
$296.99
price up icon 2.40%
Cap:     |  Volume (24h):