National Grid Market Cap

National Grid has a market cap or net worth of 420.65 billion as of December 24, 2025. Its market cap has increased by 19.42% in one year.

Market Cap

420.65B

Enterprise Value

732.82B

Revenue

125.24B

Ranking

n/a

PE Ratio

20.45

Stock Price

70.35

Market Cap Chart

Since June 2, 1997, National Grid's market cap has increased from 5.94B to 420.65B, an increase of 6,980.05%. That is a compound annual growth rate of 16.07%.

Market Cap History

Date	Market Cap	% Change
Dec 23, 2025	422.03B	17.42%
Dec 31, 2024	359.42B	49.03%
Dec 29, 2023	241.18B	3.71%
Dec 30, 2022	232.55B	-19.59%
Dec 31, 2021	289.21B	33.95%
Dec 31, 2020	215.91B	23.39%
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
Dec 31, 2015	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