Alstom SA (EPA:ALO) is largely controlled by institutional shareholders who own 56% of the company

Simply Wall St

Key Insights

  • Institutions' substantial holdings in Alstom implies that they have significant influence over the company's share price
  • 51% of the business is held by the top 8 shareholders
  • Using data from analyst forecasts alongside ownership research, one can better assess the future performance of a company

Every investor in Alstom SA (EPA:ALO) should be aware of the most powerful shareholder groups. We can see that institutions own the lion's share in the company with 56% ownership. Put another way, the group faces the maximum upside potential (or downside risk).

Since institutional have access to huge amounts of capital, their market moves tend to receive a lot of scrutiny by retail or individual investors. Hence, having a considerable amount of institutional money invested in a company is often regarded as a desirable trait.

Let's delve deeper into each type of owner of Alstom, beginning with the chart below.

See our latest analysis for Alstom

ENXTPA:ALO Ownership Breakdown September 7th 2025

What Does The Institutional Ownership Tell Us About Alstom?

Institutional investors commonly compare their own returns to the returns of a commonly followed index. So they generally do consider buying larger companies that are included in the relevant benchmark index.

Alstom already has institutions on the share registry. Indeed, they own a respectable stake in the company. This suggests some credibility amongst professional investors. But we can't rely on that fact alone since institutions make bad investments sometimes, just like everyone does. When multiple institutions own a stock, there's always a risk that they are in a 'crowded trade'. When such a trade goes wrong, multiple parties may compete to sell stock fast. This risk is higher in a company without a history of growth. You can see Alstom's historic earnings and revenue below, but keep in mind there's always more to the story.

ENXTPA:ALO Earnings and Revenue Growth September 7th 2025

Since institutional investors own more than half the issued stock, the board will likely have to pay attention to their preferences. We note that hedge funds don't have a meaningful investment in Alstom. The company's largest shareholder is Caisse de dépôt et placement du Québec, with ownership of 18%. For context, the second largest shareholder holds about 10.0% of the shares outstanding, followed by an ownership of 7.6% by the third-largest shareholder.

We did some more digging and found that 8 of the top shareholders account for roughly 51% of the register, implying that along with larger shareholders, there are a few smaller shareholders, thereby balancing out each others interests somewhat.

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 a reasonable number of analysts covering the stock, so it might be useful to find out their aggregate view on the future.

Insider Ownership Of Alstom

While the precise definition of an insider can be subjective, almost everyone considers board members to be insiders. Management ultimately answers to the board. However, it is not uncommon for managers to be executive board members, especially if they are a founder or the CEO.

Insider ownership is positive when it signals leadership are thinking like the true owners of the company. However, high insider ownership can also give immense power to a small group within the company. This can be negative in some circumstances.

Our most recent data indicates that insiders own less than 1% of Alstom SA. 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 €4.5m 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 34% ownership, the general public, mostly comprising of individual investors, have some degree of sway over Alstom. 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.

Private Equity Ownership

With an ownership of 7.6%, private equity firms are in a position to play a role in shaping corporate strategy with a focus on value creation. Sometimes we see private equity stick around for the long term, but generally speaking they have a shorter investment horizon and -- as the name suggests -- don't invest in public companies much. After some time they may look to sell and redeploy capital elsewhere.

Next Steps:

It's always worth thinking about the different groups who own shares in a company. But to understand Alstom better, we need to consider many other factors. Take risks for example - Alstom has 1 warning sign we think you should be aware of.

If you are like me, you may want to think about whether this company will grow or shrink. Luckily, you can check this free report showing analyst forecasts for its future.

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.

Valuation is complex, but we're here to simplify it.

Discover if Alstom might be undervalued or overvalued with our detailed analysis, featuring fair value estimates, potential risks, dividends, insider trades, and its financial condition.

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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.