We can readily understand why investors are attracted to unprofitable companies. For example, biotech and mining exploration companies often lose money for years before finding success with a new treatment or mineral discovery. Nonetheless, only a fool would ignore the risk that a loss making company burns through its cash too quickly.

So should Afentra (LON:AET) shareholders be worried about its cash burn? In this article, we define cash burn as its annual (negative) free cash flow, which is the amount of money a company spends each year to fund its growth. First, we'll determine its cash runway by comparing its cash burn with its cash reserves.

Check out our latest analysis for Afentra

Does Afentra Have A Long Cash Runway?

You can calculate a company's cash runway by dividing the amount of cash it has by the rate at which it is spending that cash. In December 2021, Afentra had US$38m in cash, and was debt-free. Importantly, its cash burn was US$4.7m over the trailing twelve months. That means it had a cash runway of about 8.0 years as of December 2021. Even though this is but one measure of the company's cash burn, the thought of such a long cash runway warms our bellies in a comforting way. The image below shows how its cash balance has been changing over the last few years.

How Is Afentra's Cash Burn Changing Over Time?

Afentra didn't record any revenue over the last year, indicating that it's an early stage company still developing its business. Nonetheless, we can still examine its cash burn trajectory as part of our assessment of its cash burn situation. In fact, it ramped its spending strongly over the last year, increasing cash burn by 109%. With spending growing that quickly, shareholders will be hoping that the money is prudently spent. Clearly, however, the crucial factor is whether the company will grow its business going forward. So you might want to take a peek at how much the company is expected to grow in the next few years.

How Easily Can Afentra Raise Cash?

Given its cash burn trajectory, Afentra shareholders may wish to consider how easily it could raise more cash, despite its solid cash runway. Companies can raise capital through either debt or equity. Many companies end up issuing new shares to fund future growth. By looking at a company's cash burn relative to its market capitalisation, we gain insight on how much shareholders would be diluted if the company needed to raise enough cash to cover another year's cash burn.

Since it has a market capitalisation of US$40m, Afentra's US$4.7m in cash burn equates to about 12% of its market value. Given that situation, it's fair to say the company wouldn't have much trouble raising more cash for growth, but shareholders would be somewhat diluted.

So, Should We Worry About Afentra's Cash Burn?

As you can probably tell by now, we're not too worried about Afentra's cash burn. For example, we think its cash runway suggests that the company is on a good path. Although we do find its increasing cash burn to be a bit of a negative, once we consider the other metrics mentioned in this article together, the overall picture is one we are comfortable with. Considering all the factors discussed in this article, we're not overly concerned about the company's cash burn, although we do think shareholders should keep an eye on how it develops. On another note, Afentra has 2 warning signs (and 1 which doesn't sit too well with us) we think you should know about.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of interesting companies, and this list of stocks growth stocks (according to analyst forecasts)

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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.