Investing in Cogstate (ASX:CGS) five years ago would have delivered you a 121% gain

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The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. But when you pick a company that is really flourishing, you can make more than 100%. Long term Cogstate Limited (ASX:CGS) shareholders would be well aware of this, since the stock is up 119% in five years. We note the stock price is up 3.5% in the last seven days.

Let's take a look at the underlying fundamentals over the longer term, and see if they've been consistent with shareholders returns.

View our latest analysis for Cogstate

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 the last half decade, Cogstate became profitable. That kind of transition can be an inflection point that justifies a strong share price gain, just as we have seen here.

The graphic below depicts how EPS has changed over time (unveil the exact values by clicking on the image).

earnings-per-share-growth
earnings-per-share-growth

We like that insiders have been buying shares in the last twelve months. Even so, future earnings will be far more important to whether current shareholders make money. This free interactive report on Cogstate's earnings, revenue and cash flow is a great place to start, if you want to investigate the stock further.

What About The Total Shareholder Return (TSR)?

We've already covered Cogstate's share price action, but we should also mention its total shareholder return (TSR). 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. We note that Cogstate's TSR, at 121% is higher than its share price return of 119%. When you consider it hasn't been paying a dividend, this data suggests shareholders have benefitted from a spin-off, or had the opportunity to acquire attractively priced shares in a discounted capital raising.

A Different Perspective

Investors in Cogstate had a tough year, with a total loss of 19%, against a market gain of about 0.9%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. On the bright side, long term shareholders have made money, with a gain of 17% per year over half a decade. It could be that the recent sell-off is an opportunity, so it may be worth checking the fundamental data for signs of a long term growth trend. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. Take risks, for example - Cogstate has 2 warning signs (and 1 which is a bit concerning) we think you should know about.

Cogstate is not the only stock that insiders are buying. For those who like to find winning investments this free list of growing companies with recent insider purchasing, could be just the ticket.

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

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