With 84% ownership of the shares, National Grid plc (LON:NG.) is heavily dominated by institutional owners

Simply Wall St

Key Insights

  • Significantly high institutional ownership implies National Grid's stock price is sensitive to their trading actions
  • 48% of the business is held by the top 25 shareholders
  • Using data from analyst forecasts alongside ownership research, one can better assess the future performance of a company

If you want to know who really controls National Grid plc (LON:NG.), then you'll have to look at the makeup of its share registry. And the group that holds the biggest piece of the pie are institutions with 84% ownership. That is, the group stands to benefit the most if the stock rises (or lose the most if there is a downturn).

Because institutional owners have a huge pool of resources and liquidity, their investing decisions tend to carry a great deal of weight, especially with individual investors. As a result, a sizeable amount of institutional money invested in a firm is generally viewed as a positive attribute.

Let's take a closer look to see what the different types of shareholders can tell us about National Grid.

Check out our latest analysis for National Grid

LSE:NG. Ownership Breakdown October 5th 2025

What Does The Institutional Ownership Tell Us About National Grid?

Institutions typically measure themselves against a benchmark when reporting to their own investors, so they often become more enthusiastic about a stock once it's included in a major index. We would expect most companies to have some institutions on the register, especially if they are growing.

National Grid already has institutions on the share registry. Indeed, they own a respectable stake in the company. This implies the analysts working for those institutions have looked at the stock and they like it. But just like anyone else, they could be wrong. If multiple institutions change their view on a stock at the same time, you could see the share price drop fast. It's therefore worth looking at National Grid's earnings history below. Of course, the future is what really matters.

LSE:NG. Earnings and Revenue Growth October 5th 2025

Institutional investors own over 50% of the company, so together than can probably strongly influence board decisions. Hedge funds don't have many shares in National Grid. The company's largest shareholder is BlackRock, Inc., with ownership of 9.3%. For context, the second largest shareholder holds about 5.5% of the shares outstanding, followed by an ownership of 2.5% by the third-largest shareholder.

A deeper look at our ownership data shows that the top 25 shareholders collectively hold less than half of the register, suggesting a large group of small holders where no single shareholder has a majority.

While studying institutional ownership for a company can add value to your research, it is also a good practice to research analyst recommendations to get a deeper understand of a stock's expected performance. There are plenty of analysts covering the stock, so it might be worth seeing what they are forecasting, too.

Insider Ownership Of National Grid

The definition of an insider can differ slightly between different countries, but members of the board of directors always count. Company management run the business, but the CEO will answer to the board, even if he or she is a member of it.

I generally consider insider ownership to be a good thing. However, on some occasions it makes it more difficult for other shareholders to hold the board accountable for decisions.

Our most recent data indicates that insiders own less than 1% of National Grid plc. As it is a large company, we'd only expect insiders to own a small percentage of it. But it's worth noting that they own UK£33m worth of shares. Arguably recent buying and selling is just as important to consider. You can click here to see if insiders have been buying or selling.

General Public Ownership

With a 15% ownership, the general public, mostly comprising of individual investors, have some degree of sway over National Grid. While this size of ownership may not be enough to sway a policy decision in their favour, they can still make a collective impact on company policies.

Next Steps:

While it is well worth considering the different groups that own a company, there are other factors that are even more important. Be aware that National Grid is showing 2 warning signs in our investment analysis , and 1 of those is potentially serious...

If you would prefer discover what analysts are predicting in terms of future growth, do not miss this free report on analyst forecasts.

NB: Figures in this article are calculated using data from the last twelve months, which refer to the 12-month period ending on the last date of the month the financial statement is dated. This may not be consistent with full year annual report figures.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.