To get a sense of who is truly in control of Waste Management, Inc. (NYSE:WM), it is important to understand the ownership structure of the business. With 81% stake, institutions possess the maximum shares in the company. In other words, the group stands to gain the most (or lose the most) from their investment into the company.

Last week's US$2.1b market cap gain would probably be appreciated by institutional investors, especially after a year of 1.3% losses.

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

Check out our latest analysis for Waste Management

What Does The Institutional Ownership Tell Us About Waste Management?

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.

Waste Management 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. 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 Waste Management, (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. We note that hedge funds don't have a meaningful investment in Waste Management. Our data shows that The Vanguard Group, Inc. is the largest shareholder with 8.7% of shares outstanding. With 7.5% and 4.5% of the shares outstanding respectively, BlackRock, Inc. and Bill & Melinda Gates Foundation Asset Trust 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 it makes sense to study institutional ownership data for a company, it also makes sense to study analyst sentiments to know which way the wind is blowing. 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 Waste Management

While the precise definition of an insider can be subjective, almost everyone considers board members to be insiders. Company management run the business, but the CEO will answer to the board, even if he or she is a member of it.

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 Waste Management, Inc. insiders own under 1% of the company. 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 US$116m worth of shares. In this sort of situation, it can be more interesting to see if those insiders have been buying or selling.

General Public Ownership

With a 18% ownership, the general public, mostly comprising of individual investors, have some degree of sway over Waste Management. 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. For example, we've discovered 1 warning sign for Waste Management that you should be aware of before investing here.

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.