For many, the main point of investing is to generate higher returns than the overall market. But even the best stock picker will only win with some selections. At this point some shareholders may be questioning their investment in Sonic Healthcare Limited (ASX:SHL), since the last five years saw the share price fall 31%. But it's up 7.4% in the last week.

On a more encouraging note the company has added AU$781m to its market cap in just the last 7 days, so let's see if we can determine what's driven the five-year loss for shareholders.

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In his essay The Superinvestors of Graham-and-Doddsville Warren Buffett described how share prices do not always rationally reflect the value of a business. By comparing earnings per share (EPS) and share price changes over time, we can get a feel for how investor attitudes to a company have morphed over time.

Looking back five years, both Sonic Healthcare's share price and EPS declined; the latter at a rate of 1.3% per year. This reduction in EPS is less than the 7% annual reduction in the share price. So it seems the market was too confident about the business, in the past.

The graphic below depicts how EPS has changed over time (unveil the exact values by clicking on the image).ASX:SHL Earnings Per Share Growth November 21st 2025

It's good to see that there was some significant insider buying in the last three months. That's a positive. That said, we think earnings and revenue growth trends are even more important factors to consider. This free interactive report on Sonic Healthcare's earnings, revenue and cash flow is a great place to start, if you want to investigate the stock further.

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. Arguably, the TSR gives a more comprehensive picture of the return generated by a stock. We note that for Sonic Healthcare the TSR over the last 5 years was -18%, which is better than the share price return mentioned above. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

Investors in Sonic Healthcare had a tough year, with a total loss of 14% (including dividends), against a market gain of about 4.9%. Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 3% over the last half decade. Generally speaking long term share price weakness can be a bad sign, though contrarian investors might want to research the stock in hope of a turnaround. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. Case in point: We've spotted  1 warning sign for Sonic Healthcare you should be aware of.

Story Continues

Sonic Healthcare is not the only stock that insiders are buying. For those who like to find lesser know companies this freelist 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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