About Quest Diagnostics
Quest Diagnostics is a company based in Madison (United States) founded in 1967. The company has 56,000 employees as of December 31, 2024. Quest Diagnostics has completed 23 acquisitions, including American Medical Laboratories, Athena Diagnostics and Blueprint Genetics. Quest Diagnostics operates in a competitive market with competitors including Healthians, Hindustan Wellness, Watch Your Health, WellnessFX and LifeWell, among others.
- Headquarter Madison, United States
- Employees 56000 as on 31 Dec, 2024
- Stage Public
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Sectors
Healthcare
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Phone
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Website
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Social
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- Legal Name Quest Diagnostics Incorporated
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Annual Revenue
$11.04 B (USD)11.78as on Dec 31, 2025
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Net Profit
$988 M (USD)14.09as on Dec 31, 2025
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EBITDA
$2.17 B (USD)13.89as on Dec 31, 2025
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Latest Funding Round
$500 M (USD), Debt – Conventional
May 02, 2019
- Investors
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Employee Count
56000
as on Dec 31, 2024
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Investments & Acquisitions
American Medical Laboratories
& 22 more
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IPO & Listings of Quest Diagnostics
Quest Diagnostics is a publicly listed company on the NYSE with ticker symbol DGX in USA, operating in the Health services sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
People of Quest Diagnostics
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Leadership Team
135 people
Software Development Team
134 people
Sales and Marketing
63 people
Finance and Accounting
35 people
Data Analysis and Operations Team
29 people
Human Resources and Administration
29 people
Senior Team
24 people
Operations Team
22 people
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Funding Insights of Quest Diagnostics
Investors in Quest Diagnostics
Quest Diagnostics has secured backing from 1 investor, including institutional investors. Prominent investors backing the company include National Science Foundation.
| Investor | Description | Founded Year | Domain | Location |
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A government-backed foundation providing seed-stage investments to support small businesses.
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Investor details for Quest Diagnostics
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Investments & Acquisitions by Quest Diagnostics
Quest Diagnostics has strategically engaged in corporate development activities, having acquired 23 companies. Notable acquisitions include American Medical Laboratories, Athena Diagnostics and Blueprint Genetics.
Investment portfolio details for Quest Diagnostics
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| Company Name | Description | Domain | Location | Founded Year | Amount |
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Personalized cancer diagnostic tests are provided for minimal residual disease.
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Locked | Locked | 2021 | Locked | |
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Chronic patients are coached online and provided educational tools.
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Genetic diagnostics and clinical interpretation for hereditary diseases are provided.
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Locked | Locked | 2012 | Locked |
Complete acquisition details for Quest Diagnostics
Transaction dates, acquired stakes, disclosed values, domains, and locations require an active premium plan.
- Transaction dates
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Verified entity values are shown only after access is granted.
Financial Statements - Quest Diagnostics
Detailed financials for Quest Diagnostics
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Quest Diagnostics Comparisons
Peer comparison for Quest Diagnostics
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Competitors of Quest Diagnostics
Quest Diagnostics operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Healthians, Hindustan Wellness, Watch Your Health, WellnessFX and LifeWell, among others.
| Company Name | Domain | Founded year | HQ Location | Description |
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Online platform for at home diagnostic tests and health checkups
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Mobile app for booking preventive health checkups and maintaining personal health records
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Preventive healthcare platform offering diagnostic test and doctor consultation
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Personalized health is tracked via blood tests, training, and telemedicine.
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Provider of an online marketplace for diagnostics labs
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Detailed competitors of Quest Diagnostics
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Latest news on Quest Diagnostics
Complete news archive for Quest Diagnostics
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Frequently Asked Questions about Quest Diagnostics
Quest Diagnostics was founded in 1967 and raised its 1st funding round 42 years after it was founded.
Quest Diagnostics is headquartered in Madison, United States. It is registered at Madison, Wisconsin, United States.
As of Dec 31, 2024, the latest employee count at Quest Diagnostics is 56,000.
Annual revenue of Quest Diagnostics is $11.04B as on Dec 31, 2025.
Quest Diagnostics was founded in 1967 and is headquartered in Madison, United States. Operations focus on the healthcare diagnostics sector, where integrated diagnostic information and IT products and services are delivered to organizations. A broad menu of tests is offered to physicians, along with leadership in cancer diagnostics, anatomic pathology services, and interpretive consultations by medical and scientific staff.
Quest Diagnostics's top competitors include Healthians, Watch Your Health and Hindustan Wellness.
Yes, Quest Diagnostics is publicly traded on NYSE under the ticker symbol DGX.
Quest Diagnostics has made 23 acquisitions, including American Medical Laboratories, Athena Diagnostics, and Blueprint Genetics.
Quest Diagnostics has 1 investor. Key investors include National Science Foundation.
The ticker symbol of Quest Diagnostics is DGX on NYSE.