Extreme Networks (EXTR) - Market capitalization

Market cap: C$4.38 Billion

As of August 2026 Extreme Networks has a market cap of C$4.38 Billion. This makes Extreme Networks the world's 4171th 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 Extreme Networks from 1999 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	C$4.38 B	41.79%
2025	C$3.09 B	-4.61%
2024	C$3.24 B	6.86%
2023	C$3.03 B	-7.07%
2022	C$3.26 B	26.38%
2021	C$2.58 B	138.93%
2020	C$1.08 B	-5.18%
2019	C$1.13 B	17.5%
2018	C$0.96 B	-45.67%
2017	C$1.78 B	146.71%
2016	C$0.72 B	23.86%
2015	C$0.58 B	43.59%
2014	C$0.40 B	-42.78%
2013	C$0.71 B	109.7%
2012	C$0.33 B	22.69%
2011	C$0.27 B	-1.94%
2010	C$0.28 B	4.47%
2009	C$0.26 B	7.21%
2008	C$0.25 B	-38.53%
2007	C$0.40 B	-26.41%
2006	C$0.55 B	-17.35%
2005	C$0.67 B	-29.55%
2004	C$0.95 B	-14.07%
2003	C$1.11 B	85.67%
2002	C$0.59 B	-74.57%
2001	C$2.35 B	-62.89%
2000	C$6.34 B	0.06%
1999	C$6.34 B

End of Day market cap according to different sources

On Aug 13th, 2026 the market cap of Extreme Networks was reported to be:

C$4.36 Billion

by Nasdaq

C$4.38 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Cisco CSCO	C$621.16 B	14,072.08%	🇺🇸 USA
HP HPQ	C$39.75 B	807.06%	🇺🇸 USA
Juniper Networks JNPR	C$18.55 B	323.31%	🇺🇸 USA
Motorola Solutions MSI	C$106.89 B	2,338.77%	🇺🇸 USA
Infinera INFN	C$2.19 B	-49.92%	🇺🇸 USA
Ericsson ERIC	C$46.73 B	966.20%	🇸🇪 Sweden
ADTRAN ADTN	C$0.91 B	-79.16%	🇺🇸 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 Extreme Networks (EXTR)

Market cap: C$4.38 Billion