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 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 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 Kalaris Therapeutics (NASDAQ:KLRS) 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). The first step is to compare its cash burn with its cash reserves, to give us its 'cash runway'.
Does Kalaris Therapeutics Have A Long Cash Runway?
You can calculate a company's cash runway by dividing the amount of cash it has by the rate at which it is spending that cash. In June 2026, Kalaris Therapeutics had US$94m in cash, and was debt-free. Looking at the last year, the company burnt through US$41m. So it had a cash runway of about 2.3 years from June 2026. Arguably, that's a prudent and sensible length of runway to have. You can see how its cash balance has changed over time in the image below.
View our latest analysis for Kalaris Therapeutics
How Is Kalaris Therapeutics' Cash Burn Changing Over Time?
Because Kalaris Therapeutics isn't currently generating revenue, we consider it an early-stage 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 28%, 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. 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.
How Hard Would It Be For Kalaris Therapeutics To Raise More Cash For Growth?
Given its cash burn trajectory, Kalaris Therapeutics shareholders may wish to consider how easily it could raise more cash, despite its solid cash runway. Companies can raise capital through either debt or equity. One of the main advantages held by publicly listed companies is that they can sell shares to investors to raise cash and fund 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.
Kalaris Therapeutics' cash burn of US$41m is about 48% of its US$86m market capitalisation. 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 Kalaris Therapeutics' Cash Burn?
Even though its cash burn relative to its market cap makes us a little nervous, we are compelled to mention that we thought Kalaris Therapeutics' cash runway 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. Separately, we looked at different risks affecting the company and spotted 5 warning signs for Kalaris Therapeutics (of which 2 are a bit unpleasant!) you should know about.
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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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.