F5 (FFIV) - Market capitalization

Market cap: £15.36 Billion

As of May 2026 F5 has a market cap of £15.36 Billion. This makes F5 the world's 1135th 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 F5 from 1999 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£15.36 B	35.41%
2025	£11.35 B	-4.94%
2024	£11.94 B	42.35%
2023	£8.38 B	17.13%
2022	£7.16 B	-34.94%
2021	£11.00 B	38.42%
2020	£7.95 B	22.8%
2019	£6.47 B	-15.53%
2018	£7.66 B	26.15%
2017	£6.07 B	-20.67%
2016	£7.66 B	70.3%
2015	£4.49 B	-26.13%
2014	£6.08 B	45.39%
2013	£4.18 B	-11.31%
2012	£4.72 B	-12.97%
2011	£5.42 B	-20.28%
2010	£6.80 B	162.84%
2009	£2.58 B	108.46%
2008	£1.24 B	1.88%
2007	£1.21 B	-21.72%
2006	£1.55 B	18.64%
2005	£1.31 B	42.51%
2004	£0.92 B	99%
2003	£0.46 B	165.79%
2002	£0.17 B	-53.48%
2001	£0.37 B	170.94%
2000	£0.13 B	-90.68%
1999	£1.48 B

End of Day market cap according to different sources

On May 17th, 2026 the market cap of F5 was reported to be:

£15.36 Billion

by Nasdaq

£15.36 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Cisco CSCO	£350.79 B	2,182.49%	🇺🇸 USA
Juniper Networks JNPR	£10.03 B	-34.70%	🇺🇸 USA
Radware RDWR	£0.88 B	-94.25%	🇮🇱 Israel
Cloudflare NET	£52.46 B	241.36%	🇺🇸 USA
A10 Networks ATEN	£1.51 B	-90.16%	🇺🇸 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 F5 (FFIV)

Market cap: £15.36 Billion