OSE Immunotherapeutics SA's (EPA:OSE) Shares Bounce 33% But Its Business Still Trails The Industry

Simply Wall St

OSE Immunotherapeutics SA (EPA:OSE) shares have had a really impressive month, gaining 33% after a shaky period beforehand. Not all shareholders will be feeling jubilant, since the share price is still down a very disappointing 13% in the last twelve months.

Although its price has surged higher, OSE Immunotherapeutics may still look like a strong buying opportunity at present with its price-to-sales (or "P/S") ratio of 1.8x, considering almost half of all companies in the Biotechs industry in France have P/S ratios greater than 4.6x and even P/S higher than 19x aren't out of the ordinary. Although, it's not wise to just take the P/S at face value as there may be an explanation why it's so limited.

View our latest analysis for OSE Immunotherapeutics

ENXTPA:OSE Price to Sales Ratio vs Industry July 30th 2025

What Does OSE Immunotherapeutics' P/S Mean For Shareholders?

Recent times have been advantageous for OSE Immunotherapeutics as its revenues have been rising faster than most other companies. Perhaps the market is expecting future revenue performance to dive, which has kept the P/S suppressed. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

Want the full picture on analyst estimates for the company? Then our free report on OSE Immunotherapeutics will help you uncover what's on the horizon.

How Is OSE Immunotherapeutics' Revenue Growth Trending?

In order to justify its P/S ratio, OSE Immunotherapeutics would need to produce anemic growth that's substantially trailing the industry.

Taking a look back first, we see that the company's revenues underwent some rampant growth over the last 12 months. The amazing performance means it was also able to grow revenue by 217% in total over the last three years. Therefore, it's fair to say the revenue growth recently has been superb for the company.

Turning to the outlook, the next three years should bring diminished returns, with revenue decreasing 27% per year as estimated by the three analysts watching the company. With the industry predicted to deliver 80% growth each year, that's a disappointing outcome.

With this information, we are not surprised that OSE Immunotherapeutics is trading at a P/S lower than the industry. Nonetheless, there's no guarantee the P/S has reached a floor yet with revenue going in reverse. There's potential for the P/S to fall to even lower levels if the company doesn't improve its top-line growth.

The Key Takeaway

OSE Immunotherapeutics' recent share price jump still sees fails to bring its P/S alongside the industry median. Generally, our preference is to limit the use of the price-to-sales ratio to establishing what the market thinks about the overall health of a company.

As we suspected, our examination of OSE Immunotherapeutics' analyst forecasts revealed that its outlook for shrinking revenue is contributing to its low P/S. Right now shareholders are accepting the low P/S as they concede future revenue probably won't provide any pleasant surprises. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

It is also worth noting that we have found 2 warning signs for OSE Immunotherapeutics (1 shouldn't be ignored!) that you need to take into consideration.

If strong companies turning a profit tickle your fancy, then you'll want to check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

Valuation is complex, but we're here to simplify it.

Discover if OSE Immunotherapeutics might be undervalued or overvalued with our detailed analysis, featuring fair value estimates, potential risks, dividends, insider trades, and its financial condition.

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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.