National GridCHIX:NGL -0.36%74 Market Cap is £61,972 Mil as of Jun. 27, 2026. GuruFocus rates CHIX:NGL with a GF Score™ of 74/100 and a GF Value™ of £7.53 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 513 Utilities - Regulated companies, National Grid ranks better than 98.83% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). National Grid's share price for the quarter that ended in Mar. 2026 was £12.6625. National Grid's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 4,973 Mil. Therefore, National Grid's market cap for the quarter that ended in Mar. 2026 was £62,976 Mil.
National Grid's quarterly market cap
increased
from Mar. 2025 (£49,265 Mil) to Sep. 2025 (£53,236 Mil) and
increased
from Sep. 2025 (£53,236 Mil) to Mar. 2026 (£62,976 Mil).
National Grid's annual market cap
increased
from Mar. 2024 (£39,693 Mil) to Mar. 2025 (£49,265 Mil) and
increased
from Mar. 2025 (£49,265 Mil) to Mar. 2026 (£62,976 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. National Grid's Enterprise Value for Today is £105,930 Mil.
National Grid (CHIX:NGl) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
National Grid Market Cap Related Terms
National Grid Market Cap Historical Data
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The historical data trend for National Grid's Market Cap can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Utilities - Regulated Electric subindustry, National Grid's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
National Grid Market Cap vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, National Grid's Market Cap distribution charts can be found below:
* The bar in red indicates where National Grid's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
National Grid's Market Cap for the fiscal year that ended in Mar. 2026 is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
National Grid (CHIX:NGL) has a Market Cap of £61,972 Mil as of Jun. 27, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on National Grid and its competitors. According to the industry distribution chart, National Grid ranks #6 out of 513 companies in the Utilities - Regulated industry, placing it in the top 1.2%.
Is National Grid's Market Cap too high?
National Grid's current Market Cap is £61,972 Mil. Based on the distribution chart, National Grid ranks #6 out of 513 companies in the Utilities - Regulated industry, which is in the top quartile — a strong position relative to peers. Overall, National Grid has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does National Grid's Market Cap compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, National Grid ranks #6 out of 513 companies for Market Cap. This places National Grid in the top 1% of its industry — outperforming the majority of peers. The industry median Market Cap is 918.37. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for an Utilities - Regulated company?
The median Market Cap among Utilities - Regulated companies is 918.37, based on 513 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on National Grid and its competitors. For the Utilities - Regulated industry, the median Market Cap is 918.37 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. National Grid's current Market Cap is £61,972 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Grid stock overvalued right now?
Based on GuruFocus' analysis, National Grid (CHIX:NGL) is currently considered Significantly Overvalued. The stock's GF Value™ is £7.53, compared to a current price of £12.52 — trading 66.3% above its estimated fair value. The current Market Cap is £61,972 Mil. National Grid's overall GF Score™ is 74/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For National Grid (CHIX:NGL), the current Market Cap is £61,972 Mil as of Jun. 27, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is National Grid (CHIX:NGL) Overvalued in 2026?
Based on GuruFocus' analysis, National Grid stock appears to be overvalued.
The current stock price of £12.52 is trading 66.3% above its estimated GF Value™ of £7.53.
GuruFocus considers National Grid to be Significantly Overvalued.
Key valuation signals for CHIX:NGL:
Market Cap: £61,972 Mil
GF Value™: £7.53 vs. price of £12.52 (66.3% above fair value)
No single metric tells the full story. See the CHIX:NGL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
National Grid owns and operates the electric transmission system in England and Wales. It sold the bulk of its UK gas transmission business in fiscal 2023 to fund the acquisition of PPL's UK power distribution assets. In the Northeastern United States, it serves electricity and gas customers combined in three states. It also owns regulated transmission electricity networks in the United States, metering services and merchant transmission lines in the UK.
74GF Score
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