Marathon Petroleum Corporation (NYSE:MPC) is largely controlled by institutional shareholders who own 75% of the company

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

The definition of an insider can differ slightly between different countries, but members of the board of directors always count. 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 Marathon Petroleum Corporation insiders own under 1% of the company. It is a very large company, so it would be surprising to see insiders own a large proportion of the company. Though their holding amounts to less than 1%, we can see that board members collectively own US$88m worth of shares (at current prices). It is good to see board members owning shares, but it might be worth checking if those insiders have been buying.

With a 25% ownership, the general public, mostly comprising of individual investors, have some degree of sway over Marathon Petroleum. 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.

It’s always worth thinking about the different groups who own shares in a company. But to understand Marathon Petroleum better, we need to consider many other factors. To that end, you should be aware of the 2 warning signs we’ve spotted with Marathon Petroleum .

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.

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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.