Stamps.com (STMP) - Market capitalization

Last known market cap: $6.12 Billion USD

As of December 2025 Stamps.com has a market cap of $6.12 Billion USD. This makes Stamps.com the world's 2709th 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	$6.12 B	0%
2021	$6.12 B	71.16%
2020	$3.57 B	151.55%
2019	$1.42 B	-48.26%
2018	$2.74 B	-16.34%
2017	$3.28 B	68.08%
2016	$1.95 B	6.82%
2015	$1.83 B	138.4%
2014	$0.76 B	12.65%
2013	$0.68 B	76.53%
2012	$0.38 B	-1.56%
2011	$0.39 B	104.26%
2010	$0.19 B	36.04%
2009	$0.14 B	-20.23%
2008	$0.17 B	-26.69%
2007	$0.24 B	-30.94%
2006	$0.34 B	-34.01%
2005	$0.52 B	48.82%
2004	$0.35 B	30.05%
2003	$0.27 B	31.79%
2002	$0.20 B	14.31%
2001	$0.18 B

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
MercadoLibre MELI	$105.17 B	1,617.44%	🇦🇷 Argentina
Shopify SHOP	$208.15 B	3,299.14%	🇨🇦 Canada
Etsy ETSY	$5.46 B	-10.74%	🇺🇸 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: $6.12 Billion USD