What is DexCom's market cap?

DexCom (DXCM) has a market capitalization of $29.6B as of July 29, 2026. Market cap is the total market value of the company's outstanding shares (share price × shares outstanding), shown here in US dollars (USD).

How is DexCom's market cap calculated, and what currency is it in?

Market capitalization is calculated by multiplying DexCom's share price by its total shares outstanding. Although DexCom reports its financial statements in USD, market cap on this page is shown in US dollars (USD) for comparability with other companies.

What is the highest market cap DexCom has reached?

DexCom (DXCM) reached its all-time high market cap of $70.1B on November 17, 2021, based on daily closing values in our history.

What is the lowest market cap DexCom has reached?

DexCom (DXCM) recorded its all-time low market cap of $41.2M on November 20, 2008 in the available daily history.

Is DexCom's market cap above or below its 5-year average?

At $29.6B, DexCom's market cap is currently below its five-year average of $40.7B.

What was DexCom's market cap in 2025?

DexCom (DXCM) ended 2025 with a market cap of $26.9B.

What was DexCom's market cap in 2026?

DexCom (DXCM) ended 2026 with a market cap of $29.6B.

DexCom (DXCM) Market Cap 2005-2026

Current

$29.6B

As of Jul 29, 2026

5-Year Average

$40.7B

All-Time High

$70.1B

Nov 17, 2021

All-Time Low

$41.2M

Nov 20, 2008

Market cap daily chart for DexCom (DXCM)

Aug 2, 2021 – Jul 29, 2026 · 1,253 trading days

Market Cap growth chart for DexCom (DXCM) from 2017 to 2026

Latest: +9.9%

Market Cap history table for DexCom (DXCM) from 2005 to 2026


2026	$29.6B	+9.9%	+$2.66B	Jul 29, 2026	Apr 30, 2026
2025	$26.9B	-16.1%	-$5.18B	Dec 31, 2025	Feb 12, 2026
2024	$32.1B	-39.2%	-$20.7B	Dec 31, 2024	Dec 31, 2024
2023	$52.8B	+9.1%	+$4.39B	Dec 31, 2023	Feb 8, 2024
2022	$48.4B	-15.9%	-$9.15B	Dec 31, 2022	Feb 9, 2023
2021	$57.6B	+59.7%	+$21.5B	Dec 31, 2021	Feb 14, 2022
2020	$36B	+78.5%	+$15.9B	Dec 31, 2020	Feb 11, 2021
2019	$20.2B	+91.1%	+$9.63B	Dec 31, 2019	Feb 13, 2020
2018	$10.6B	+113.3%	+$5.61B	Dec 31, 2018	Feb 21, 2019
2017	$4.95B	-0.8%	-$39M	Dec 31, 2017	Feb 27, 2018
2016	$4.99B	-23.6%	-$1.54B	Dec 31, 2016	Feb 28, 2017
2015	$6.54B	+57.9%	+$2.4B	Dec 31, 2015	Feb 23, 2016
2014	$4.14B	+64.4%	+$1.62B	Dec 31, 2014	Feb 25, 2015
2013	$2.52B	+169.4%	+$1.58B	Dec 31, 2013	Feb 20, 2014
2012	$934M	+52.8%	+$323M	Dec 31, 2012	Feb 21, 2013
2011	$611M	-21.2%	-$165M	Dec 31, 2011	Feb 23, 2012
2010	$776M	+116.6%	+$418M	Dec 31, 2010	Mar 3, 2011
2009	$358M	+340.3%	+$277M	Dec 31, 2009	Mar 9, 2010
2008	$81.4M	-67.5%	-$169M	Dec 31, 2008	Mar 5, 2009
2007	$250M	-7.0%	-$18.8M	Dec 31, 2007	Mar 11, 2008
2006	$269M	-4.8%	-$13.6M	Dec 31, 2006	Feb 27, 2007
2005	$283M	—	—	Dec 31, 2005	Feb 27, 2006

2026$29.6B+9.9%
2025$26.9B-16.1%
2024$32.1B-39.2%
2023$52.8B+9.1%
2022$48.4B-15.9%
2021$57.6B+59.7%
2020$36B+78.5%
2019$20.2B+91.1%
2018$10.6B+113.3%
2017$4.95B-0.8%
2016$4.99B-23.6%
2015$6.54B+57.9%
2014$4.14B+64.4%
2013$2.52B+169.4%
2012$934M+52.8%
2011$611M-21.2%
2010$776M+116.6%
2009$358M+340.3%
2008$81.4M-67.5%
2007$250M-7.0%
2006$269M-4.8%
2005$283M—

Market Cap values are taken from DexCom's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.

About Market Cap at DexCom (DXCM)

According to DexCom's latest reported financial statements, the company's latest reported market cap is $24.7B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).

Headline figure above is from the reporting period ending March 31, 2026 (reported April 30, 2026). Chart and table below cover the full reported history back to 2005.

DexCom (DXCM) most recent annual market cap stands at $29.6B (2026) – grew 9.9% year-over-year.

DexCom market cap has contracted on net over the period, with a -12.5% compound annual growth rate over 2021–2026 (5 years).

DexCom market cap plunged from $57.6B in 2021 to $29.6B in 2026, a 48.6% drawdown.

2021 marks the peak market cap at $57.6B, with the historical low of $81.4M recorded in 2008.

DexCom Market Cap by Year

DexCom Market Cap 2026: $29.6B

In 2026, DexCom reported market cap of $29.6B, grew 9.9% from 2025.

DexCom Market Cap 2025: $26.9B

DexCom market cap in 2025 was $26.9B, declined 16.1% below 2024.

DexCom Market Cap 2024: $32.1B

2024's market cap for DexCom came in at $32.1B, plunged 39.2% below 2023.

DexCom Market Cap 2023: $52.8B

DexCom posted market cap of $52.8B in 2023, grew 9.1% from 2022.

DexCom Market Cap 2022: $48.4B

DexCom market cap in 2022 was $48.4B.

See more financial history for DexCom (DXCM).

Sector peers by Market Cap

Healthcare peers of DexCom (DXCM), ranked by their latest market cap


Eli Lilly (LLY)	$1.14T
Johnson & Johnson (JNJ)	$640B
AbbVie (ABBV)	$466B
UnitedHealth Group (UNH)	$382B
Merck & Co. (MRK)	$322B
Novo Nordisk (NVO)	$229B
Thermo Fisher Scientific (TMO)	$214B
Amgen (AMGN)	$209B

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