Key Insights

• Institutions' substantial holdings in Marathon Petroleum implies that they have significant influence over the company's share price
• The top 25 shareholders own 48% of the company
• Ownership research along with analyst forecasts data help provide a good understanding of opportunities in a stock

Every investor in Marathon Petroleum Corporation (NYSE:MPC) should be aware of the most powerful shareholder groups. And the group that holds the biggest piece of the pie are institutions with 76% 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. 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 Marathon Petroleum, beginning with the chart below.

What Does The Institutional Ownership Tell Us About Marathon Petroleum?

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.

As you can see, institutional investors have a fair amount of stake in Marathon Petroleum. This can indicate that the company has a certain degree of credibility in the investment community. However, it is best to be wary of relying on the supposed validation that comes with institutional investors. They too, get it wrong sometimes. 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 Marathon Petroleum's earnings history below. Of course, the future is what really matters.

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 Marathon Petroleum. The Vanguard Group, Inc. is currently the company's largest shareholder with 10.0% of shares outstanding. For context, the second largest shareholder holds about 8.5% of the shares outstanding, followed by an ownership of 6.8% 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.

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

Insider Ownership Of Marathon Petroleum

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 data suggests that insiders own under 1% of Marathon Petroleum Corporation in their own names. 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$109m worth of shares. 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-- including retail investors -- own 24% stake in the company, and hence can't easily be ignored. While this group can't necessarily call the shots, it can certainly have a real influence on how the company is run.

Next Steps:

While it is well worth considering the different groups that own a company, there are other factors that are even more important. To that end, you should learn about the 3 warning signs we've spotted with Marathon Petroleum (including 1 which is concerning) .

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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com