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 the harsh reality is that very many loss making companies burn through all their cash and go bankrupt.

So should Compass Therapeutics (NASDAQ:CMPX) shareholders 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. First, we'll determine its cash runway by comparing its cash burn with its cash reserves.

When Might Compass Therapeutics Run Out Of Money?

A company's cash runway is calculated by dividing its cash hoard by its cash burn. In June 2026, Compass Therapeutics had US$180m in cash, and was debt-free. In the last year, its cash burn was US$53m. That means it had a cash runway of about 3.4 years as of June 2026. Importantly, though, analysts think that Compass Therapeutics will reach cashflow breakeven before then. In that case, it may never reach the end of its cash runway. Depicted below, you can see how its cash holdings have changed over time.

How Is Compass Therapeutics' Cash Burn Changing Over Time?

Because Compass Therapeutics isn't currently generating revenue, we consider it an early-stage business. Nonetheless, we can still examine its cash burn trajectory as part of our assessment of its cash burn situation. With the cash burn rate up 18% in the last year, it seems that the company is ratcheting up investment in the business over time. 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. 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 Compass Therapeutics To Raise More Cash For Growth?

Given its cash burn trajectory, Compass 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. Many companies end up issuing new shares to fund future growth. By looking at a company's cash burn relative to its market capitalisation, we gain insight on how much shareholders would be diluted if the company needed to raise enough cash to cover another year's cash burn.

Compass Therapeutics has a market capitalisation of US$358m and burnt through US$53m last year, which is 15% of the company's market value. Given that situation, it's fair to say the company wouldn't have much trouble raising more cash for growth, but shareholders would be somewhat diluted.

So, Should We Worry About Compass Therapeutics' Cash Burn?

It may already be apparent to you that we're relatively comfortable with the way Compass Therapeutics is burning through its cash. For example, we think its cash runway suggests that the company is on a good path. While its increasing cash burn wasn't great, the other factors mentioned in this article more than make up for weakness on that measure. Shareholders can take heart from the fact that analysts are forecasting it will reach breakeven. Looking at all the measures in this article, together, we're not worried about its rate of cash burn; the company seems well on top of its medium-term spending needs.

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.

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.