National Grid plc (NGG)
NYSE: NGG · Real-Time Price · USD
79.44
-1.24 (-1.54%)
At close: Jun 18, 2026, 4:00 PM EDT
80.00
+0.56 (0.70%)
After-hours: Jun 18, 2026, 7:00 PM EDT
National Grid Market Cap
National Grid has a market cap or net worth of $79.77 billion as of June 18, 2026. Its market cap has increased by 15.98% in one year.
Market Cap
79.77B
Enterprise Value
139.18B
1-Year Change
15.98%
Ranking
Category
Stock Price
$79.44
Market Cap Chart
Since October 7, 1999, National Grid's market cap has increased from $9.95B to $79.77B, an increase of 701.97%. That is a compound annual growth rate of 8.10%.
Market Cap History
| Date | Market Cap | % Change |
|---|---|---|
| Jun 18, 2026 | 78.41B | 2.86% |
| 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
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