Stamps.com (STMP) - Market capitalization

Last known market cap: £4.59 Billion

As of December 2025 Stamps.com has a market cap of £4.59 Billion. This makes Stamps.com the world's 2714th 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 Stamps.com from 2001 to 2022

End of year Market Cap

Year	Marketcap	Change
2022	£5.06 B	11.58%
2021	£4.53 B	72.84%
2020	£2.62 B	142%
2019	£1.08 B	-49.92%
2018	£2.16 B	-10.93%
2017	£2.43 B	53.45%
2016	£1.58 B	28.3%
2015	£1.23 B	150.46%
2014	£0.49 B	19.35%
2013	£0.41 B	72.97%
2012	£0.23 B	-5.34%
2011	£0.25 B	102.87%
2010	£0.12 B	42.61%
2009	£87.21 M	-27.75%
2008	£0.12 B	-0.63%
2007	£0.12 B	-31.9%
2006	£0.17 B	-41.91%
2005	£0.30 B	65.68%
2004	£0.18 B	21.18%
2003	£0.15 B	18.13%
2002	£0.12 B	3.37%
2001	£0.12 B

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
MercadoLibre MELI	£78.63 B	1,610.77%	🇦🇷 Argentina
Shopify SHOP	£157.41 B	3,324.43%	🇨🇦 Canada
Etsy ETSY	£3.96 B	-13.80%	🇺🇸 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 Stamps.com (STMP)

Last known market cap: £4.59 Billion