ADTRAN (ADTN) - Market capitalization

Market cap: €0.58 Billion

As of December 2025 ADTRAN has a market cap of €0.58 Billion. This makes ADTRAN the world's 6652th 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 ADTRAN from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	€0.58 B	-6.18%
2024	€0.62 B	19.74%
2023	€0.52 B	-61.8%
2022	€1.36 B	39.38%
2021	€0.98 B	70.41%
2020	€0.57 B	35.85%
2019	€0.42 B	-5.44%
2018	€0.44 B	-42.27%
2017	€0.77 B	-24.49%
2016	€1.02 B	31.76%
2015	€0.78 B	-18.51%
2014	€0.95 B	-13.97%
2013	€1.11 B	20.94%
2012	€0.92 B	-37.74%
2011	€1.47 B	-13.81%
2010	€1.71 B	75.04%
2009	€0.97 B	47.9%
2008	€0.66 B	-30.29%
2007	€0.95 B	-20.47%
2006	€1.19 B	-37.38%
2005	€1.90 B	77.02%
2004	€1.07 B	-44.84%
2003	€1.95 B	66.64%
2002	€1.17 B	3.56%
2001	€1.13 B	29.71%
2000	€0.87 B	-56.64%
1999	€2.01 B	235.31%
1998	€0.60 B	-34.01%
1997	€0.91 B	-32.86%
1996	€1.35 B

End of Day market cap according to different sources

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

€0.58 Billion

by Nasdaq

€0.58 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Cisco CSCO	€263.60 B	44,805.20%	🇺🇸 USA
Juniper Networks JNPR	€11.46 B	1,852.47%	🇺🇸 USA
Ciena CIEN	€23.74 B	3,944.17%	🇺🇸 USA
Calix CALX	€3.05 B	419.70%	🇺🇸 USA
Extreme Networks EXTR	€2.00 B	241.04%	🇺🇸 USA
AudioCodes AUDC	€0.21 B	-63.87%	🇮🇱 Israel
Ericsson ERIC	€27.22 B	4,538.02%	🇸🇪 Sweden

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 ADTRAN (ADTN)

Market cap: €0.58 Billion