Investors are often guided by the idea of discovering 'the next big thing', even if that means buying 'story stocks' without any revenue, let alone profit. But the reality is that when a company loses money each year, for long enough, its investors will usually take their share of those losses. A loss-making company is yet to prove itself with profit, and eventually the inflow of external capital may dry up.

Despite being in the age of tech-stock blue-sky investing, many investors still adopt a more traditional strategy; buying shares in profitable companies like Qualys (NASDAQ:QLYS). While this doesn't necessarily speak to whether it's undervalued, the profitability of the business is enough to warrant some appreciation - especially if its growing.

Qualys' Earnings Per Share Are Growing

Generally, companies experiencing growth in earnings per share (EPS) should see similar trends in share price. So it makes sense that experienced investors pay close attention to company EPS when undertaking investment research. Shareholders will be happy to know that Qualys' EPS has grown 36% each year, compound, over three years. As a general rule, we'd say that if a company can keep up that sort of growth, shareholders will be beaming.

Top-line growth is a great indicator that growth is sustainable, and combined with a high earnings before interest and taxation (EBIT) margin, it's a great way for a company to maintain a competitive advantage in the market. Qualys shareholders can take confidence from the fact that EBIT margins are up from 28% to 30%, and revenue is growing. Both of which are great metrics to check off for potential growth.

You can take a look at the company's revenue and earnings growth trend, in the chart below. Click on the chart to see the exact numbers.

Fortunately, we've got access to analyst forecasts of Qualys' future profits. You can do your own forecasts without looking, or you can take a peek at what the professionals are predicting.

Are Qualys Insiders Aligned With All Shareholders?

Since Qualys has a market capitalisation of US$5.6b, we wouldn't expect insiders to hold a large percentage of shares. But thanks to their investment in the company, it's pleasing to see that there are still incentives to align their actions with the shareholders. As a matter of fact, their holding is valued at US$33m. That's a lot of money, and no small incentive to work hard. Even though that's only about 0.6% of the company, it's enough money to indicate alignment between the leaders of the business and ordinary shareholders.

Is Qualys Worth Keeping An Eye On?

If you believe that share price follows earnings per share you should definitely be delving further into Qualys' strong EPS growth. Further, the high level of insider ownership is impressive and suggests that the management appreciates the EPS growth and has faith in Qualys' continuing strength. The growth and insider confidence is looked upon well and so it's worthwhile to investigate further with a view to discern the stock's true value. Now, you could try to make up your mind on Qualys by focusing on just these factors, or you could also consider how its price-to-earnings ratio compares to other companies in its industry.

There's always the possibility of doing well buying stocks that are not growing earnings and do not have insiders buying shares. But for those who consider these important metrics, we encourage you to check out companies that do have those features. You can access a tailored list of companies which have demonstrated growth backed by significant insider holdings.

Please note the insider transactions discussed in this article refer to reportable transactions in the relevant jurisdiction.

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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.