Regeneron Pharmaceuticals (REGN) - Market capitalization

Market cap: £61.21 Billion

As of September 2026 Regeneron Pharmaceuticals has a market cap of £61.21 Billion. This makes Regeneron Pharmaceuticals the world's 299th 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 Regeneron Pharmaceuticals from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£61.21 B	-0.91%
2025	£61.77 B	-0.97%
2024	£62.38 B	-16.94%
2023	£75.10 B	15.65%
2022	£64.94 B	29.08%
2021	£50.31 B	33.04%
2020	£37.81 B	19.77%
2019	£31.57 B	-1.55%
2018	£32.07 B	7.32%
2017	£29.88 B	-4.75%
2016	£31.37 B	-18.15%
2015	£38.33 B	42.03%
2014	£26.99 B	62.26%
2013	£16.63 B	61.53%
2012	£10.29 B	211.91%
2011	£3.30 B	73.61%
2010	£1.90 B	56.92%
2009	£1.21 B	21.46%
2008	£0.99 B	4.09%
2007	£0.95 B	43.04%
2006	£0.67 B	28.77%
2005	£0.52 B	94.19%
2004	£0.26 B	-41.35%
2003	£0.45 B	-11.06%
2002	£0.51 B	-39.83%
2001	£0.85 B	-1.78%
2000	£0.86 B	250.62%
1999	£0.24 B	80.23%
1998	£0.13 B	-14.65%
1997	£0.16 B	-33.34%
1996	£0.24 B

End of Day market cap according to different sources

On Sep 26th, 2026 the market cap of Regeneron Pharmaceuticals was reported to be:

£61.21 Billion

by Nasdaq

£61.21 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Johnson & Johnson JNJ	£493.16 B	705.61%	🇺🇸 USA
Novartis NVS	£208.60 B	240.77%	🇨🇭 Switzerland
Amgen AMGN	£169.12 B	176.28%	🇺🇸 USA
Sanofi SNY	£74.32 B	21.41%	🇫🇷 France
Biogen BIIB	£25.37 B	-58.55%	🇺🇸 USA
Alnylam Pharmaceuticals ALNY	£25.84 B	-57.79%	🇺🇸 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 Regeneron Pharmaceuticals (REGN)

Market cap: £61.21 Billion