ACS, Actividades de Construcción y Servicios, S.A.'s (BME:ACS) largest shareholders are individual investors with 44% ownership, private companies own 31%

Simply Wall St · 06/17/2025 07:12

Key Insights

If you want to know who really controls ACS, Actividades de Construcción y Servicios, S.A. (BME:ACS), then you'll have to look at the makeup of its share registry. With 44% stake, individual investors possess the maximum shares in the company. That is, the group stands to benefit the most if the stock rises (or lose the most if there is a downturn).

Private companies, on the other hand, account for 31% of the company's stockholders.

Let's delve deeper into each type of owner of ACS Actividades de Construcción y Servicios, beginning with the chart below.

View our latest analysis for ACS Actividades de Construcción y Servicios

ownership-breakdown
BME:ACS Ownership Breakdown June 17th 2025

What Does The Institutional Ownership Tell Us About ACS Actividades de Construcción y Servicios?

Many institutions measure their performance against an index that approximates the local market. So they usually pay more attention to companies that are included in major indices.

ACS Actividades de Construcción y Servicios 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 ACS Actividades de Construcción y Servicios' historic earnings and revenue below, but keep in mind there's always more to the story.

earnings-and-revenue-growth
BME:ACS Earnings and Revenue Growth June 17th 2025

We note that hedge funds don't have a meaningful investment in ACS Actividades de Construcción y Servicios. Rosan Inversiones, S.L. is currently the largest shareholder, with 15% of shares outstanding. For context, the second largest shareholder holds about 10.0% of the shares outstanding, followed by an ownership of 7.2% by the third-largest shareholder.

A closer look at our ownership figures suggests that the top 12 shareholders have a combined ownership of 50% implying that no single shareholder has a majority.

Researching institutional ownership is a good way to gauge and filter a stock's expected performance. The same can be achieved by studying analyst sentiments. There are plenty of analysts covering the stock, so it might be worth seeing what they are forecasting, too.

Insider Ownership Of ACS Actividades de Construcción y Servicios

The definition of an insider can differ slightly between different countries, but members of the board of directors always count. The company management answer to the board and the latter should represent the interests of shareholders. Notably, sometimes top-level managers are on the board themselves.

Most consider insider ownership a positive because it can indicate the board is well aligned with other shareholders. However, on some occasions too much power is concentrated within this group.

Our most recent data indicates that insiders own less than 1% of ACS, Actividades de Construcción y Servicios, S.A.. But they may have an indirect interest through a corporate structure that we haven't picked up on. Being so large, we would not expect insiders to own a large proportion of the stock. Collectively, they own €64m of stock. It is good to see board members owning shares, but it might be worth checking if those insiders have been buying.

General Public Ownership

The general public, who are usually individual investors, hold a 44% stake in ACS Actividades de Construcción y Servicios. While this group can't necessarily call the shots, it can certainly have a real influence on how the company is run.

Private Company Ownership

It seems that Private Companies own 31%, of the ACS Actividades de Construcción y Servicios stock. It's hard to draw any conclusions from this fact alone, so its worth looking into who owns those private companies. Sometimes insiders or other related parties have an interest in shares in a public company through a separate private company.

Portfolio Valuation calculation on simply wall st

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 ACS Actividades de Construcción y Servicios is showing 3 warning signs in our investment analysis , and 1 of those makes us a bit uncomfortable...

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.