National Grid Market Cap

National Grid has a market cap or net worth of 429.57 billion as of January 16, 2026. Its market cap has increased by 20.72% in one year.

Market Cap

429.57B

Enterprise Value

730.95B

Revenue

125.24B

Ranking

n/a

PE Ratio

20.88

Stock Price

71.40

Market Cap Chart

Since June 2, 1997, National Grid's market cap has increased from 5.94B to 429.57B, an increase of 7,130.18%. That is a compound annual growth rate of 16.12%.

Market Cap History

Date	Market Cap	% Change
Jan 15, 2026	421.84B	0.47%
Dec 31, 2025	419.85B	16.81%
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	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