When you buy a stock there is always a possibility that it could drop 100%. But when you pick a company that is really flourishing, you can make more than 100%. For example, the White Mountains Insurance Group, Ltd. (NYSE:WTM) share price has soared 107% in the last half decade. Most would be very happy with that.

Now it's worth having a look at the company's fundamentals too, because that will help us determine if the long term shareholder return has matched the performance of the underlying business.

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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 the five years of share price growth, White Mountains Insurance Group moved from a loss to profitability. Sometimes, the start of profitability is a major inflection point that can signal fast earnings growth to come, which in turn justifies very strong share price gains.

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).NYSE:WTM Earnings Per Share Growth March 22nd 2025

Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here.

A Different Perspective

White Mountains Insurance Group shareholders gained a total return of 5.3% during the year. But that was short of the market average. If we look back over five years, the returns are even better, coming in at 16% per year for five years. It's quite possible the business continues to execute with prowess, even as the share price gains are slowing. It's always interesting to track share price performance over the longer term. But to understand White Mountains Insurance Group better, we need to consider many other factors. To that end, you should be aware of the  2 warning signs  we've spotted with White Mountains Insurance Group .

If you are like me, then you will not want to miss this freelist of undervalued small caps 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.

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