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. But while history lauds those rare successes, those that fail are often forgotten; who remembers Pets.com?

So, the natural question for Nautilus Biotechnology (NASDAQ:NAUT) shareholders is whether they should be concerned by its rate of 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. We'll start by comparing its cash burn with its cash reserves in order to calculate its cash runway.

When Might Nautilus Biotechnology Run Out Of Money?

A company's cash runway is the amount of time it would take to burn through its cash reserves at its current cash burn rate. In March 2024, Nautilus Biotechnology had US$181m in cash, and was debt-free. Importantly, its cash burn was US$58m over the trailing twelve months. That means it had a cash runway of about 3.1 years as of March 2024. There's no doubt that this is a reassuringly long runway. You can see how its cash balance has changed over time in the image below.

How Is Nautilus Biotechnology's Cash Burn Changing Over Time?

Nautilus Biotechnology 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. Over the last year its cash burn actually increased by 19%, which suggests that management are increasing investment in future growth, but not too quickly. That's not necessarily a bad thing, but investors should be mindful of the fact that will shorten the cash runway. While the past is always worth studying, it is the future that matters most of all. So you might want to take a peek at how much the company is expected to grow in the next few years.

How Hard Would It Be For Nautilus Biotechnology To Raise More Cash For Growth?

While Nautilus Biotechnology does have a solid cash runway, its cash burn trajectory may have some shareholders thinking ahead to when the company may need to raise more cash. Issuing new shares, or taking on debt, are the most common ways for a listed company to raise more money for its business. One of the main advantages held by publicly listed companies is that they can sell shares to investors to raise cash and fund growth. By comparing a company's annual cash burn to its total market capitalisation, we can estimate roughly how many shares it would have to issue in order to run the company for another year (at the same burn rate).

Nautilus Biotechnology's cash burn of US$58m is about 19% of its US$302m market capitalisation. As a result, we'd venture that the company could raise more cash for growth without much trouble, albeit at the cost of some dilution.

So, Should We Worry About Nautilus Biotechnology's Cash Burn?

On this analysis of Nautilus Biotechnology's cash burn, we think its cash runway was reassuring, while its increasing cash burn has us a bit worried. Based on the factors mentioned in this article, we think its cash burn situation warrants some attention from shareholders, but we don't think they should be worried. On another note, we conducted an in-depth investigation of the company, and identified 3 warning signs for Nautilus Biotechnology (2 shouldn't be ignored!) that you should be aware of before investing here.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of companies with significant insider holdings, 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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com