The excitement of investing in a company that can reverse its fortunes is a big draw for some speculators, so even companies that have no revenue, no profit, and a record of falling short, can manage to find investors. 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. Loss-making companies are always racing against time to reach financial sustainability, so investors in these companies may be taking on more risk than they should.

So if this idea of high risk and high reward doesn't suit, you might be more interested in profitable, growing companies, like Main Street Capital (NYSE:MAIN). 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.

See our latest analysis for Main Street Capital

How Fast Is Main Street Capital Growing?

Generally, companies experiencing growth in earnings per share (EPS) should see similar trends in share price. That means EPS growth is considered a real positive by most successful long-term investors. We can see that in the last three years Main Street Capital grew its EPS by 5.0% per year. This may not be setting the world alight, but it does show that EPS is on the upwards trend.

It's often helpful to take a look at earnings before interest and tax (EBIT) margins, as well as revenue growth, to get another take on the quality of the company's growth. It's noted that Main Street Capital's revenue from operations was lower than its revenue in the last twelve months, so that could distort our analysis of its margins. Main Street Capital maintained stable EBIT margins over the last year, all while growing revenue 9.3% to US$530m. That's progress.

The chart below shows how the company's bottom and top lines have progressed over time. For finer detail, click on the image.

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

Are Main Street Capital Insiders Aligned With All Shareholders?

It's pleasing to see company leaders with putting their money on the line, so to speak, because it increases alignment of incentives between the people running the business, and its true owners. Shareholders will be pleased by the fact that insiders own Main Street Capital shares worth a considerable sum. We note that their impressive stake in the company is worth US$199m. This suggests that leadership will be very mindful of shareholders' interests when making decisions!

Should You Add Main Street Capital To Your Watchlist?

As previously touched on, Main Street Capital is a growing business, which is encouraging. For those who are looking for a little more than this, the high level of insider ownership enhances our enthusiasm for this growth. That combination is very appealing. So yes, we do think the stock is worth keeping an eye on. Even so, be aware that Main Street Capital is showing 5 warning signs in our investment analysis , and 2 of those don't sit too well with us...

Although Main Street Capital certainly looks good, it may appeal to more investors if insiders were buying up shares. If you like to see companies with more skin in the game, then check out this handpicked selection of companies that not only boast of strong growth but have strong insider backing.

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.