Marathon Petroleum (NYSE:MPC) ascends 7.1% this week, taking three-year gains to 327%

The worst result, after buying shares in a company (assuming no leverage), would be if you lose all the money you put in. But if you buy shares in a really great company, you can more than double your money. For example, the Marathon Petroleum Corporation (NYSE:MPC) share price has soared 294% in the last three years. That sort of return is as solid as granite. Also pleasing for shareholders was the 34% gain in the last three months.

On the back of a solid 7-day performance, let's check what role the company's fundamentals have played in driving long term shareholder returns.

View our latest analysis for Marathon Petroleum

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. One imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

During three years of share price growth, Marathon Petroleum moved from a loss to profitability. That kind of transition can be an inflection point that justifies a strong share price gain, just as we have seen here.

You can see how EPS has changed over time in the image below (click on the chart to see the exact values).

It is of course excellent to see how Marathon Petroleum has grown profits over the years, but the future is more important for shareholders. This free interactive report on Marathon Petroleum's balance sheet strength is a great place to start, if you want to investigate the stock further.

What About Dividends?

When looking at investment returns, it is important to consider the difference between total shareholder return (TSR) and share price return. The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. As it happens, Marathon Petroleum's TSR for the last 3 years was 327%, which exceeds the share price return mentioned earlier. This is largely a result of its dividend payments!

A Different Perspective

We're pleased to report that Marathon Petroleum shareholders have received a total shareholder return of 72% over one year. And that does include the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 32% per year), it would seem that the stock's performance has improved in recent times. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. It's always interesting to track share price performance over the longer term. But to understand Marathon Petroleum better, we need to consider many other factors. Like risks, for instance. Every company has them, and we've spotted 3 warning signs for Marathon Petroleum (of which 1 is a bit unpleasant!) you should know about.

If you are like me, then you will not want to miss this free list of growing companies that insiders are buying.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on American exchanges.

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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.