DexCom (DXCM) - Market capitalization

Market cap: A$38.66 Billion

As of December 2025 DexCom has a market cap of A$38.66 Billion. This makes DexCom the world's 894th 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	A$38.66 B	-23.27%
2024	A$50.38 B	184.62%
2023	A$17.70 B	-72.89%
2022	A$65.31 B	-9.01%
2021	A$71.78 B	55.47%
2020	A$46.17 B	61.34%
2019	A$28.61 B	86.98%
2018	A$15.30 B	139.58%
2017	A$6.38 B	-8.74%
2016	A$7.00 B	-23.78%
2015	A$9.18 B	76.65%
2014	A$5.19 B	80.66%
2013	A$2.87 B	216.67%
2012	A$0.90 B	48.27%
2011	A$0.61 B	-26.52%
2010	A$0.83 B	101.67%
2009	A$0.41 B	254.54%
2008	A$0.11 B	-59.64%
2007	A$0.28 B	-8.23%
2006	A$0.31 B	-38.66%
2005	A$0.51 B

End of Day market cap according to different sources

On Dec 5th, 2025 the market cap of DexCom was reported to be:

A$4.27 Billion

by Nasdaq

A$38.66 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Edwards Lifesciences EW	A$76.18 B	97.03%	🇺🇸 USA
Becton Dickinson BDX	A$83.69 B	116.47%	🇺🇸 USA
West Pharmaceutical WST	A$30.35 B	-21.50%	🇺🇸 USA
Tandem Diabetes Care TNDM	A$2.13 B	-94.48%	🇺🇸 USA
Medtronic MDT	A$195.72 B	406.21%	🇮🇪 Ireland
Abbott Laboratories ABT	A$327.74 B	747.65%	🇺🇸 USA
Johnson & Johnson JNJ	A$732.43 B	1,794.34%	🇺🇸 USA
QuidelOrtho QDEL	A$2.83 B	-92.66%	🇺🇸 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: A$38.66 Billion