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We Think Greenwich LifeSciences (NASDAQ:GLSI) Needs To Drive Business Growth Carefully
There's no doubt that money can be made by owning shares of unprofitable businesses. For example, although Amazon.com made losses for many years after listing, if you had bought and held the shares since 1999, you would have made a fortune. But while the successes are well known, investors should not ignore the very many unprofitable companies that simply burn through all their cash and collapse.
Given this risk, we thought we'd take a look at whether Greenwich LifeSciences (NASDAQ:GLSI) shareholders should be worried about its 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. The first step is to compare its cash burn with its cash reserves, to give us its 'cash runway'.
How Long Is Greenwich LifeSciences' 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 June 2026, Greenwich LifeSciences had US$8.9m in cash, and was debt-free. Looking at the last year, the company burnt through US$12m. Therefore, from June 2026 it had roughly 9 months of cash runway. 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. The image below shows how its cash balance has been changing over the last few years.
Check out our latest analysis for Greenwich LifeSciences
How Is Greenwich LifeSciences' Cash Burn Changing Over Time?
Greenwich LifeSciences didn't record any revenue over the last year, indicating that it's an early stage company still developing its business. So while we can't look to sales to understand growth, we can look at how the cash burn is changing to understand how expenditure is trending over time. Over the last year its cash burn actually increased by 47%, 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. Clearly, however, the crucial factor is whether the company will grow its business going forward. For that reason, it makes a lot of sense to take a look at our analyst forecasts for the company.
Can Greenwich LifeSciences Raise More Cash Easily?
Since its cash burn is moving in the wrong direction, Greenwich LifeSciences shareholders may wish to think ahead to when the company may need to raise more cash. 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. 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$223m, Greenwich LifeSciences' US$12m in cash burn equates to about 5.6% of its market value. Given that is a rather small percentage, it would probably be really easy for the company to fund another year's growth by issuing some new shares to investors, or even by taking out a loan.
How Risky Is Greenwich LifeSciences' Cash Burn Situation?
Even though its cash runway makes us a little nervous, we are compelled to mention that we thought Greenwich LifeSciences' cash burn relative to its market cap was relatively promising. We don't think its cash burn is particularly problematic, but after considering the range of factors in this article, we do think shareholders should be monitoring how it changes over time. On another note, we conducted an in-depth investigation of the company, and identified 4 warning signs for Greenwich LifeSciences (2 are significant!) 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 interesting companies, and this list of stocks growth stocks (according to analyst forecasts)
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