Those who invested in Aspen Aerogels (NYSE:ASPN) five years ago are up 346%

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The last three months have been tough on Aspen Aerogels, Inc. (NYSE:ASPN) shareholders, who have seen the share price decline a rather worrying 32%. But over five years returns have been remarkably great. To be precise, the stock price is 346% higher than it was five years ago, a wonderful performance by any measure. Arguably, the recent fall is to be expected after such a strong rise. But the real question is whether the business fundamentals can improve over the long term.

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

Check out our latest analysis for Aspen Aerogels

Aspen Aerogels isn't currently profitable, so most analysts would look to revenue growth to get an idea of how fast the underlying business is growing. Shareholders of unprofitable companies usually expect strong revenue growth. Some companies are willing to postpone profitability to grow revenue faster, but in that case one does expect good top-line growth.

In the last 5 years Aspen Aerogels saw its revenue grow at 2.6% per year. Put simply, that growth rate fails to impress. So shareholders should be pretty elated with the 35% increase per year, in that time. We don't think the growth over the period is that great, but it could be that faster growth appears to some to be on the horizon. It's not immediately obvious to us why the market has been so enthusiastic about the stock, but a more detailed look at revenue and profit trends might reveal why shareholders are optimistic.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

earnings-and-revenue-growth
earnings-and-revenue-growth

It's good to see that there was some significant insider buying in the last three months. That's a positive. On the other hand, we think the revenue and earnings trends are much more meaningful measures of the business. This free report showing analyst forecasts should help you form a view on Aspen Aerogels

A Different Perspective

Aspen Aerogels shareholders are down 17% over twelve months, which isn't far from the market return of -16%. The silver lining is that longer term investors would have made a total return of 35% per year over half a decade. If the stock price has been impacted by changing sentiment, rather than deteriorating business conditions, it could spell opportunity. 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. Even so, be aware that Aspen Aerogels is showing 3 warning signs in our investment analysis , and 1 of those makes us a bit uncomfortable...

Aspen Aerogels is not the only stock insiders are buying. So take a peek at this free list of growing companies with insider buying.

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