Quest Diagnostics Incorporated

DGXUS

Quest Diagnostics Incorporated, founded in 1967 and headquartered in Secaucus, New Jersey, is a premier provider of diagnostic testing, information, and related services, serving clients both domestically and internationally. Its core business involves the development and provision of diverse diagnostic information services, such as routine, advanced clinical, and anatomic pathology testing. While primarily operating under the Quest Diagnostics brand, it also leverages specialized identities like AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum to reach a broad spectrum of clients. Its extensive client base includes patients, clinicians, hospitals, integrated delivery networks, health plans, employers, and other direct healthcare entities. Delivery of these services is facilitated through a robust network comprising laboratories, patient service centers, in-office phlebotomists, call centers, and mobile health professionals including paramedics and nurses. Additionally, the company provides risk assessment services for the life insurance industry and offers comprehensive information technology solutions to healthcare organizations and clinicians.

Founded1967IPO year1996As of2026-08-04
Market Cap
$25.83B
Enterprise Value
$31.58B
EV / LTM Revenue
2.9x
EV / NTM Revenue
2.6x
Trading multiples

Enterprise value over trailing (LTM) vs. forward (NTM) fundamentals. Click an LTM cell to chart it.

LTM
trailing
NTM
forward
Revenue
2.6x
Gross Profit
7.7x
EBITDA
12.1x
Classification
Sector
Healthcare Services
Sub-sector
Diagnostics & Clinical Services
Listing
DGX
Country
US
Historical valuation & fundamentals

EV / LTM Revenue

Annual financials & analyst forecasts

$MCY2021CY2022CY2023CY2024CY2025CY2026ECY2027E
Revenue YoY-8%-6%7%12%9%5%
Revenue$10.79B$9.88B$9.25B$9.87B$11.04B$12.00B$12.56B
Gross Profit$4.21B$3.43B$3.06B$3.24B$3.67B
Gross Profit Margin39.0%34.7%33.0%32.9%33.2%
EBITDA$3.16B$1.82B$1.73B$1.90B$2.18B$2.53B$2.65B
EBITDA Margin29.3%18.4%18.7%19.2%19.7%21.1%21.1%
EBIT$2.38B$1.43B$1.26B$1.35B$1.56B$1.98B$2.07B
Net Income$1.99B$942M$854M$871M$992M$1.25B$1.34B
Free Cash Flow$1.83B$1.31B$864M$909M$1.36B
FCF Margin17.0%13.3%9.3%9.2%12.3%
Short-Term Debt$153M$155M$456M$775M$678M
Long-Term Debt$4.01B$3.98B$4.41B$5.60B$5.70B
Cash & Cash Equivalents$872M$315M$686M$549M$420M
Net Debt$3.29B$3.82B$4.18B$5.83B$5.96B
Net Debt / EBITDA1.0x2.1x2.4x3.1x2.7x
Rule of 404.9%3.0%15.9%24.1%
Figures in $M. True calendar years (Jan–Dec) built from quarterly data — income & cash-flow lines summed across the four quarters, balance sheet as of year-end. E columns are calendarized analyst consensus — gross profit, cash flow and balance-sheet lines are not estimated. Net debt = short-term debt + long-term debt − cash & cash equivalents; Rule of 40 = YoY revenue growth + FCF margin.