There's no doubt that money can be made by owning shares of unprofitable businesses. 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 Beta Bionics (NASDAQ:BBNX) 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.

How Long Is Beta Bionics' Cash Runway?

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 December 2025, Beta Bionics had US$219m in cash, and was debt-free. Looking at the last year, the company burnt through US$56m. Therefore, from December 2025 it had 3.9 years of cash runway. A runway of this length affords the company the time and space it needs to develop the business. The image below shows how its cash balance has been changing over the last few years.

How Well Is Beta Bionics Growing?

At first glance it's a bit worrying to see that Beta Bionics actually boosted its cash burn by 8.8%, year on year. But looking on the bright side, its revenue gained by 54%, lending some credence to the growth narrative. Of course, with spend going up shareholders will want to see fast growth continue. It seems to be growing nicely. 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 Easily Can Beta Bionics Raise Cash?

While Beta Bionics seems to be in a decent position, we reckon it is still worth thinking about how easily it could raise more cash, if that proved desirable. Generally speaking, a listed business can raise new cash through issuing shares or taking on debt. Many companies end up issuing new shares to fund future 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.

Beta Bionics has a market capitalisation of US$395m and burnt through US$56m last year, which is 14% of the company's market value. 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.

How Risky Is Beta Bionics' Cash Burn Situation?

As you can probably tell by now, we're not too worried about Beta Bionics' cash burn. In particular, we think its revenue growth stands out as evidence that the company is well on top of its spending. Although its increasing cash burn does give us reason for pause, the other metrics we discussed in this article form a positive picture overall. 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.

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)

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.