Can INmune Bio (NASDAQ:INMB) Afford To Invest In Growth?
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. Nonetheless, only a fool would ignore the risk that a loss making company burns through its cash too quickly.
Given this risk, we thought we'd take a look at whether INmune Bio (NASDAQ:INMB) shareholders should be worried about its cash burn. For the purposes of this article, cash burn is the annual rate at which an unprofitable company spends cash to fund its growth; its negative free cash flow. Let's start with an examination of the business' cash, relative to its cash burn.
Does INmune Bio Have A Long 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 September 2025, INmune Bio had US$28m in cash, and was debt-free. In the last year, its cash burn was US$32m. So it had a cash runway of approximately 11 months from September 2025. To be frank, this kind of short runway puts us on edge, as it indicates the company must reduce its cash burn significantly, or else raise cash imminently. Depicted below, you can see how its cash holdings have changed over time.
View our latest analysis for INmune Bio
How Is INmune Bio's Cash Burn Changing Over Time?
Whilst it's great to see that INmune Bio has already begun generating revenue from operations, last year it only produced US$50k, so we don't think it is generating significant revenue, at this point. Therefore, for the purposes of this analysis we'll focus on how the cash burn is tracking. With the cash burn rate up 23% in the last year, it seems that the company is ratcheting up investment in the business over time. 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 INmune Bio To Raise More Cash For Growth?
Given its cash burn trajectory, INmune Bio shareholders should already be thinking about how easy it might be for it to raise further cash in the future. 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).
Since it has a market capitalisation of US$54m, INmune Bio's US$32m in cash burn equates to about 58% 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 INmune Bio's Cash Burn?
INmune Bio is not in a great position when it comes to its cash burn situation. While its increasing cash burn wasn't too bad, its cash burn relative to its market cap does leave us rather nervous. After looking at that range of measures, we think shareholders should be extremely attentive to how the company is using its cash, as the cash burn makes us uncomfortable. On another note, INmune Bio has 5 warning signs (and 2 which are concerning) we think 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.