Just because a business does not make any money, does not mean that the stock will go down. For example, although software-as-a-service business Salesforce.com lost money for years while it grew recurring revenue, if you held shares since 2005, you'd have done very well indeed. But while history lauds those rare successes, those that fail are often forgotten; who remembers Pets.com?

Given this risk, we thought we'd take a look at whether Arqit Quantum (NASDAQ:ARQQ) shareholders should be worried about its cash burn. For the purpose of this article, we'll define cash burn as the amount of cash the company is spending each year to fund its growth (also called its negative free cash flow). Let's start with an examination of the business' cash, relative to its cash burn.

Check out our latest analysis for Arqit Quantum

Does Arqit Quantum Have A Long Cash Runway?

A company's cash runway is calculated by dividing its cash hoard by its cash burn. When Arqit Quantum last reported its balance sheet in March 2023, it had zero debt and cash worth US$42m. In the last year, its cash burn was US$50m. That means it had a cash runway of around 10 months as of March 2023. That's quite a short cash runway, indicating the company must either reduce its annual cash burn or replenish its cash. Importantly, if we extrapolate recent cash burn trends, the cash runway would be a lot longer. The image below shows how its cash balance has been changing over the last few years.

How Well Is Arqit Quantum Growing?

Arqit Quantum reduced its cash burn by 8.0% during the last year, which points to some degree of discipline. In contrast, however, operating revenue tanked 64% during the period. Taken together, we think these growth metrics are a little worrying. While the past is always worth studying, it is the future that matters most of all. For that reason, it makes a lot of sense to take a look at our analyst forecasts for the company.

How Hard Would It Be For Arqit Quantum To Raise More Cash For Growth?

Since Arqit Quantum revenue has been falling, the market will likely be considering how it can raise more cash if need be. Issuing new shares, or taking on debt, are the most common ways for a listed company to raise more money for its business. Commonly, a business will sell new shares in itself to raise cash and drive growth. We can compare a company's cash burn to its market capitalisation to get a sense for how many new shares a company would have to issue to fund one year's operations.

Since it has a market capitalisation of US$97m, Arqit Quantum's US$50m in cash burn equates to about 51% of its market value. That's high expenditure relative to the value of the entire company, so if it does have to issue shares to fund more growth, that could end up really hurting shareholders returns (through significant dilution).

So, Should We Worry About Arqit Quantum's Cash Burn?

Even though its falling revenue makes us a little nervous, we are compelled to mention that we thought Arqit Quantum's cash burn reduction was relatively promising. Considering all the measures mentioned in this report, we reckon that its cash burn is fairly risky, and if we held shares we'd be watching like a hawk for any deterioration. Separately, we looked at different risks affecting the company and spotted 5 warning signs for Arqit Quantum (of which 2 are a bit unpleasant!) you should know about.

If you would prefer to check out another company with better fundamentals, then do not miss this free list of interesting companies, that have HIGH return on equity and low debt or this list of stocks which are all forecast to grow.

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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.