Market capitalization of Quest Diagnostics (DGX)

Market cap: £13.54 Billion

As of April 2025 Quest Diagnostics has a market cap of £13.54 Billion. This makes Quest Diagnostics the world's 1023th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Quest Diagnostics from 1997 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	£13.54 B	-0.2%
2024	£13.57 B	11.56%
2023	£12.16 B	-17.37%
2022	£14.72 B	-6.34%
2021	£15.72 B	33.45%
2020	£11.78 B	8.78%
2019	£10.83 B	22.3%
2018	£8.85 B	-10.84%
2017	£9.93 B	-3.81%
2016	£10.32 B	50.42%
2015	£6.86 B	10.68%
2014	£6.20 B	32.7%
2013	£4.67 B	-18.12%
2012	£5.70 B	-3.14%
2011	£5.89 B	-1.26%
2010	£5.96 B	-12.73%
2009	£6.83 B	-1.28%
2008	£6.92 B	34.01%
2007	£5.16 B	-1.49%
2006	£5.24 B	-11.42%
2005	£5.92 B	17.62%
2004	£5.03 B	19.86%
2003	£4.20 B	20.87%
2002	£3.47 B	-26.8%
2001	£4.74 B	7.25%
2000	£4.42 B	430.35%
1999	£0.83 B	159.51%
1998	£0.32 B	4.44%
1997	£0.30 B

End of Day market cap according to different sources

On Apr 21st, 2025 the market cap of Quest Diagnostics was reported to be:

£13.39 Billion

by Nasdaq

£13.38 Billion

by CompaniesMarketCap

£13.38 Billion

by Yahoo Finance

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
LabCorp LH	£13.53 B	-0.07%	🇺🇸 USA
Psychemedics PMD	£11.72 M	-99.91%	🇺🇸 USA
NeoGenomics NEO	£0.91 B	-93.22%	🇺🇸 USA
Enzo Biochem ENZ	£12.25 M	-99.91%	🇺🇸 USA
Translate Bio TBIO.defunct	£2.10 B	-84.47%	🇺🇸 USA
Qiagen QGEN	£6.55 B	-51.60%	🇳🇱 Netherlands

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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