DexCom (DXCM) - Market capitalization

Market cap: €21.95 Billion

As of December 2025 DexCom has a market cap of €21.95 Billion. This makes DexCom the world's 895th 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 DexCom from 2005 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	€21.95 B	-27.1%
2024	€30.11 B	176.04%
2023	€10.91 B	-73.67%
2022	€41.43 B	-9.83%
2021	€45.95 B	59.2%
2020	€28.86 B	61.38%
2019	€17.88 B	89.78%
2018	€9.42 B	126.74%
2017	€4.15 B	-13.36%
2016	€4.79 B	-21.61%
2015	€6.11 B	74.9%
2014	€3.49 B	88.22%
2013	€1.85 B	160.34%
2012	€0.71 B	47.53%
2011	€0.48 B	-24.03%
2010	€0.63 B	145.63%
2009	€0.25 B	340.48%
2008	€58.88 M	-65.99%
2007	€0.17 B	-8.03%
2006	€0.18 B	-40.67%
2005	€0.31 B

End of Day market cap according to different sources

On Dec 4th, 2025 the market cap of DexCom was reported to be:

€2.42 Billion

by Nasdaq

€21.95 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Edwards Lifesciences EW	€43.21 B	96.82%	🇺🇸 USA
Becton Dickinson BDX	€47.65 B	117.04%	🇺🇸 USA
West Pharmaceutical WST	€17.39 B	-20.78%	🇺🇸 USA
Tandem Diabetes Care TNDM	€1.20 B	-94.51%	🇺🇸 USA
Medtronic MDT	€112.23 B	411.23%	🇮🇪 Ireland
Abbott Laboratories ABT	€187.26 B	752.95%	🇺🇸 USA
Johnson & Johnson JNJ	€418.56 B	1,806.49%	🇺🇸 USA
QuidelOrtho QDEL	€1.62 B	-92.61%	🇺🇸 USA

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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Market capitalization of DexCom (DXCM)

Market cap: €21.95 Billion