196.46
price up icon0.19%   0.38
after-market After Hours: 196.46
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Quest Diagnostics Inc stock is traded at $196.46, with a volume of 675.51K. It is up +0.19% in the last 24 hours and down -5.46% 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:
$196.08
Open:
$196.77
24h Volume:
675.51K
Relative Volume:
0.70
Market Cap:
$21.58B
Revenue:
$11.04B
Net Income/Loss:
$1.04B
P/E Ratio:
22.42
EPS:
8.7626
Net Cash Flow:
$1.36B
1W Performance:
+0.63%
1M Performance:
-5.46%
6M Performance:
+5.97%
1Y Performance:
+18.59%
1-Day Range:
Value
$194.28
$197.72
1-Week Range:
Value
$192.79
$202.91
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
DGX icon
DGX
Quest Diagnostics Inc
196.46 21.54B 11.04B 1.04B 1.36B 8.7626
TMO icon
TMO
Thermo Fisher Scientific Inc
490.77 182.14B 44.56B 6.72B 6.29B 17.74
DHR icon
DHR
Danaher Corp
187.15 134.43B 24.57B 3.60B 5.26B 5.051
IDXX icon
IDXX
Idexx Laboratories Inc
575.72 45.40B 4.30B 1.06B 1.04B 13.08
A icon
A
Agilent Technologies Inc
112.98 32.27B 7.07B 1.29B 993.00M 4.5355
WAT icon
WAT
Waters Corp
302.32 29.62B 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 24, 2026

Quest Diagnostics Incorporated (NYSE:DGX) Given Consensus Rating of "Moderate Buy" by Brokerages - MarketBeat

Mar 24, 2026
pulisher
Mar 22, 2026

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

Mar 22, 2026
pulisher
Mar 22, 2026

8,744 Shares in Quest Diagnostics Incorporated $DGX Acquired by Union Bancaire Privee UBP SA - MarketBeat

Mar 22, 2026
pulisher
Mar 20, 2026

Paradiem LLC Buys New Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 20, 2026
pulisher
Mar 19, 2026

Quest Diagnostics to Report Q1 2026 Financial Results on April 21 - Intellectia AI

Mar 19, 2026
pulisher
Mar 19, 2026

Quest Diagnostics to Release First Quarter Financial Results on April 21, 2026 - GuruFocus

Mar 19, 2026
pulisher
Mar 19, 2026

Quest Diagnostics schedules April 21 earnings release, 8:30 a.m. call - Stock Titan

Mar 19, 2026
pulisher
Mar 19, 2026

How Is Quest Diagnostics’ Stock Performance Compared to Other Healthcare Stocks? - Yahoo Finance

Mar 19, 2026
pulisher
Mar 19, 2026

Davis Selected Advisers Acquires 7,192 Shares of Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 19, 2026
pulisher
Mar 18, 2026

Quest Diagnostics Inc. stock underperforms Wednesday when compared to competitors - MarketWatch

Mar 18, 2026
pulisher
Mar 18, 2026

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

Mar 18, 2026
pulisher
Mar 18, 2026

Zacks Industry Outlook Features Quest Diagnostics, DaVita, Option Care Health, and Addus HomeCare - Bitget

Mar 18, 2026
pulisher
Mar 18, 2026

Zacks Industry Outlook Highlights Quest Diagnostics, DaVita, Option Care Health and Addus HomeCare - Zacks Investment Research

Mar 18, 2026
pulisher
Mar 18, 2026

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

Mar 18, 2026
pulisher
Mar 18, 2026

Achmea Investment Management B.V. Grows Holdings in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 18, 2026
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

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 Timothy Wentworth, Former CEO of Walgreens Boots Alliance, Evernorth Health Services and Express Scripts, to Board of Directors - Sahm

Mar 13, 2026
pulisher
Mar 13, 2026

Quest Diagnostics adds ex-Walgreens CEO to board By Investing.com - Investing.com India

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 names Timothy Wentworth to board, joins Compensation and Quality Committees - TradingView

Mar 12, 2026
pulisher
Mar 12, 2026

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

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 – Company AnnouncementFT.com - Financial Times

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 12, 2026

Swiss National Bank Reduces Stake in Quest Diagnostics Incorporated $DGX - MarketBeat

Mar 12, 2026
pulisher
Mar 11, 2026

Director at Quest Diagnostics (NYSE: DGX) gets 215 RSUs - Stock Titan

Mar 11, 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 09, 2026

Quest Diagnostics Incorporated $DGX Shares Purchased by Blair William & Co. IL - MarketBeat

Mar 09, 2026
pulisher
Mar 07, 2026

Quest Diagnostics earnings bolstered by March rebound, sending stock up 3% - MSN

Mar 07, 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

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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LH LH
$266.02
price down icon 0.04%
MTD MTD
$1,265.75
price up icon 0.10%
IQV IQV
$165.64
price down icon 0.27%
$197.37
price up icon 1.47%
WAT WAT
$302.32
price up icon 0.13%
Cap:     |  Volume (24h):