National Grid Market Cap

National Grid has a market cap or net worth of $79.59 billion as of October 19, 2026. Its market cap has increased by 3.33% in one year.

Market Cap

79.59B

Enterprise Value

139.50B

1-Year Change

3.33%

Global Rank

n/a

Country Rank

n/a

ChartMarket Cap Chart

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Since September 5, 2002, National Grid's market cap has increased from $28.87B to $79.59B, an increase of 175.70%. That is a compound annual growth rate of 4.29%.

Market Cap History

Date	Market Cap	% Change
Oct 16, 2026	84.45B	6.36%
Dec 31, 2025	79.40B	68.42%
Dec 31, 2024	47.15B	-11.79%
Dec 29, 2023	53.45B	13.47%
Dec 30, 2022	47.10B	-14.64%
Dec 31, 2021	55.18B	23.64%
Dec 31, 2020	44.63B	-3.44%
Dec 31, 2019	46.22B	32.40%
Dec 31, 2018	34.91B	-24.73%
Dec 29, 2017	46.38B	1.31%
Dec 30, 2016	45.78B	-15.42%
Dec 31, 2015	54.13B	-0.63%
Dec 31, 2014	54.47B	9.88%
Dec 31, 2013	49.57B	16.59%
Dec 31, 2012	42.52B	20.19%
Dec 30, 2011	35.37B	52.28%
Dec 31, 2010	23.23B	-17.28%
Dec 31, 2009	28.08B	7.77%
Dec 31, 2008	26.06B	-42.20%
Dec 31, 2007	45.08B	14.12%
Dec 29, 2006	39.50B	-0.20%
Dec 31, 2004	39.58B	32.39%
Dec 31, 2003	29.90B	-1.47%
Dec 31, 2002	30.34B	5.12%
Sep 5, 2002	28.87B	-

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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

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