Pulse Biosciences (NASDAQ:PLSE) Is In A Good Position To Deliver On Growth Plans

Even when a business is losing money, it's possible for shareholders to make money if they buy a good business at the right price. 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?

So should Pulse Biosciences (NASDAQ:PLSE) shareholders be worried about its cash burn? In this report, we will consider the company's annual negative free cash flow, henceforth referring to it as the 'cash burn'. We'll start by comparing its cash burn with its cash reserves in order to calculate its cash runway.

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How Long Is Pulse Biosciences' Cash Runway?

A company's cash runway is calculated by dividing its cash hoard by its cash burn. In September 2025, Pulse Biosciences had US$95m in cash, and was debt-free. In the last year, its cash burn was US$49m. That means it had a cash runway of around 23 months as of September 2025. That's not too bad, but it's fair to say the end of the cash runway is in sight, unless cash burn reduces drastically. The image below shows how its cash balance has been changing over the last few years.

View our latest analysis for Pulse Biosciences

How Is Pulse Biosciences' Cash Burn Changing Over Time?

In our view, Pulse Biosciences doesn't yet produce significant amounts of operating revenue, since it reported just US$86k in the last twelve months. As a result, we think it's a bit early to focus on the revenue growth, so we'll limit ourselves to looking at how the cash burn is changing over time. Over the last year its cash burn actually increased by 43%, which suggests that management are increasing investment in future growth, but not too quickly. However, the company's true cash runway will therefore be shorter than suggested above, if spending continues to increase. 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 Pulse Biosciences To Raise More Cash For Growth?

Given its cash burn trajectory, Pulse Biosciences shareholders may wish to consider how easily it could raise more cash, despite its solid cash runway. Issuing new shares, or taking on debt, are the most common ways for a listed company to raise more money for its business. 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.

Pulse Biosciences' cash burn of US$49m is about 4.7% of its US$1.0b market capitalisation. That's a low proportion, so we figure the company would be able to raise more cash to fund growth, with a little dilution, or even to simply borrow some money.

So, Should We Worry About Pulse Biosciences' Cash Burn?

Even though its increasing cash burn makes us a little nervous, we are compelled to mention that we thought Pulse Biosciences' cash burn relative to its market cap was relatively promising. 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. Separately, we looked at different risks affecting the company and spotted 3 warning signs for Pulse Biosciences (of which 2 can't be ignored!) you should know about.

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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.