Quest Diagnostics Inc (DGX)

Industry Diagnostics & Research


This stock can be held in an Investment ISA and an Investment Account
Sell

$184.50

Buy

$200.67

arrow-up$0.33 (+0.17%)

Prices updated at 02 Apr 2026, 22:42 EDT
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Prices in USD

Quest Diagnostics Inc provides diagnostic testing, information, and services, providing insights that enable patients and physicians to make healthcare decisions. It provides diagnostics for insurers and healthcare information technology businesses.
Sector
Healthcare
Industry
Diagnostics & Research
Chairman
Mr. James E. Davis
CEO
Mr. James E. Davis
Most recent earnings
31 Dec 2025
Fiscal year end
31 Dec 2025
Employees
57,000
Head office
500 Plaza Drive
Secaucus
United States
07094
mobile
+1 973 520-2700
letter
Investor@QuestDiagnostics.com

Key personnel

Salary
Mr. Timothy Charles Wentworth
Independent Director
-
Mr. Michael E. Prevoznik
Senior Vice President and General Counsel
0.55m
Mr. Robert B. Carter
Independent Director
0.07m
Mr. Timothy M. Ring
Lead Independent Director
0.17m
Mr. Timothy L. Main
Independent Director
0.13m
Ms. Denise M. Morrison
Independent Director
0.13m
Mr. Gary M. Pfeiffer
Independent Director
0.15m
Mr. Patrick Plewman
Senior Vice President, Diagnostic Services
-
Ms. Vicky B. Gregg
Independent Director
0.13m
Ms. Catherine T. Doherty
Executive Vice President, Regional Businesses
0.62m
Mr. James E. Davis
Chairman of the Board, President and Chief Executive Officer
1.25m
Mr. Sam A. Samad
Executive Vice President and Chief Financial Officer
0.67m
Dr. Luis A. Diaz, Jr,M.D.
Independent Director
0.12m
Mr. Michael J. Deppe
Senior Vice President, Corporate Controller and Chief Accounting Officer
-
Mr. Wright L. Lassiter, III
Independent Director
0.12m
Ms. Tracey C. Doi
Independent Director
0.12m
Mr. Mark E. Delaney
Senior Vice President and Chief Commercial Officer
-
Mr. Karthik Kuppusamy
Senior Vice President, Clinical Solutions
0.54m

Top 5 shareholders

No. of shares
Vanguard Group Inc14,392,082
BlackRock Inc10,002,035
JPMorgan Chase & Co8,634,782
T. Rowe Price Associates, Inc.7,005,990
T. Rowe Price5,326,700

Director dealings

Action
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Please note that past performance is not a reliable indicator of future returns.


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