Passive investing in index funds can generate returns that roughly match the overall market. But you can do a lot better than that by buying good quality businesses for attractive prices. For example, the Pentair plc (NYSE:PNR) share price is 72% higher than it was five years ago, which is more than the market average. It's also good to see a healthy gain of 40% in the last year.

So let's investigate and see if the longer term performance of the company has been in line with the underlying business' progress.

See our latest analysis for Pentair

There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. One flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

During five years of share price growth, Pentair achieved compound earnings per share (EPS) growth of 14% per year. This EPS growth is higher than the 11% average annual increase in the share price. So it seems the market isn't so enthusiastic about the stock these days.

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).

It might be well worthwhile taking a look at our free report on Pentair's earnings, revenue and cash flow.

What About Dividends?

It is important to consider the total shareholder return, as well as the share price return, for any given stock. Whereas the share price return only reflects the change in the share price, the TSR includes the value of dividends (assuming they were reinvested) and the benefit of any discounted capital raising or spin-off. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. In the case of Pentair, it has a TSR of 86% for the last 5 years. That exceeds its share price return that we previously mentioned. The dividends paid by the company have thusly boosted the total shareholder return.

A Different Perspective

It's nice to see that Pentair shareholders have received a total shareholder return of 42% over the last year. That's including the dividend. That gain is better than the annual TSR over five years, which is 13%. Therefore it seems like sentiment around the company has been positive lately. In the best case scenario, this may hint at some real business momentum, implying that now could be a great time to delve deeper. It's always interesting to track share price performance over the longer term. But to understand Pentair better, we need to consider many other factors. To that end, you should be aware of the 1 warning sign we've spotted with Pentair .

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.