National Grid Market Cap

National Grid has a market cap or net worth of $81.99 billion as of July 9, 2026. Its market cap has increased by 14.69% in one year.

Market Cap

81.99B

Enterprise Value

142.16B

1-Year Change

14.69%

Ranking

#205

Market Cap Chart

Since October 7, 1999, National Grid's market cap has increased from $9.95B to $81.99B, an increase of 724.27%. That is a compound annual growth rate of 8.20%.

Market Cap History

Date	Market Cap	% Change
Jul 9, 2026	81.99B	7.57%
Dec 31, 2025	76.23B	31.17%
Dec 31, 2024	58.11B	16.92%
Dec 29, 2023	49.70B	12.99%
Dec 30, 2022	43.99B	-15.26%
Dec 31, 2021	51.91B	24.85%
Dec 31, 2020	Upgrade Pro	Upgrade Pro
Dec 31, 2019	Upgrade Pro	Upgrade Pro
Dec 31, 2018	Upgrade Pro	Upgrade Pro
Dec 29, 2017	Upgrade Pro	Upgrade Pro
Dec 30, 2016	Upgrade Pro	Upgrade Pro

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

Full Definition

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Market Cap Rankings