Rio Tinto Group's (LON:RIO) institutional investors lost 3.2% over the past week but have profited from longer-term gains

Key Insights

• Given the large stake in the stock by institutions, Rio Tinto Group's stock price might be vulnerable to their trading decisions
• A total of 25 investors have a majority stake in the company with 46% ownership
• Insiders have been selling lately

If you want to know who really controls Rio Tinto Group (LON:RIO), then you'll have to look at the makeup of its share registry. We can see that institutions own the lion's share in the company with 61% ownership. In other words, the group stands to gain the most (or lose the most) from their investment into the company.

Institutional investors was the group most impacted after the company's market cap fell to UK£94b last week. Still, the 16% one-year gains may have helped mitigate their overall losses. We would assume however, that they would be on the lookout for weakness in the future.

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

Check out our latest analysis for Rio Tinto Group

What Does The Institutional Ownership Tell Us About Rio Tinto Group?

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.

We can see that Rio Tinto Group does have institutional investors; and they hold a good portion of the company's stock. 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. It is not uncommon to see a big share price drop if two large institutional investors try to sell out of a stock at the same time. So it is worth checking the past earnings trajectory of Rio Tinto Group, (below). Of course, keep in mind that there are other factors to consider, too.

Investors should note that institutions actually own more than half the company, so they can collectively wield significant power. Rio Tinto Group is not owned by hedge funds. Looking at our data, we can see that the largest shareholder is Aluminum Corporation of China with 11% of shares outstanding. With 8.2% and 4.4% of the shares outstanding respectively, BlackRock, Inc. and The Vanguard Group, Inc. are the second and third largest shareholders.

Our studies suggest that the top 25 shareholders collectively control less than half of the company's shares, meaning that the company's shares are widely disseminated and there is no dominant shareholder.

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. Quite a few analysts cover the stock, so you could look into forecast growth quite easily.

Insider Ownership Of Rio Tinto Group

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 information suggests that Rio Tinto Group insiders own under 1% of the company. We do note, however, it is possible insiders have an indirect interest through a private company or other corporate structure. 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£44m 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

The general public, who are usually individual investors, hold a 27% stake in Rio Tinto Group. 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

Our data indicates that Private Companies hold 12%, of the company's shares. Private companies may be related parties. Sometimes insiders have an interest in a public company through a holding in a private company, rather than in their own capacity as an individual. While it's hard to draw any broad stroke conclusions, it is worth noting as an area for further research.

Next Steps:

It's always worth thinking about the different groups who own shares in a company. But to understand Rio Tinto Group better, we need to consider many other factors. Be aware that Rio Tinto Group is showing 2 warning signs in our investment analysis , you should know about...

Ultimately the future is most important. You can access this free report on analyst forecasts for the company.

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.