Mosaic (MOS) is back in focus after its latest quarterly results showed a weak finish to 2025, with softness in U.S. phosphate demand, higher sulfur costs, and recent analyst downgrades pressuring sentiment.

The earnings miss, analyst downgrades and softer U.S. phosphate demand have weighed on sentiment. The latest 1 day share price return of 1.19% and 7 day share price return of 4.25% contrast with a 90 day share price return of 12.84% and a 1 year total shareholder return of 21.64%, while the 3 year total shareholder return of 46.85% signals that longer term holders have endured a much tougher run.

If this fertilizer story has you thinking about other resource exposed names, it could be worth scanning our list of 8 top copper producer stocks as another way to look at materials linked to global demand.

So with Mosaic trading below the average analyst price target, a value score of 4 and the shares still carrying a mixed long term return profile, is this a mispriced fertilizer heavyweight, or is the market already baking in future growth?

Most Popular Narrative: 15.2% Undervalued

With Mosaic last closing at $27.51 against a narrative fair value of $32.46, the current price sits below what this widely followed view considers reasonable, setting up a clear gap for investors to examine.

Global fertilizer supply and demand dynamics remain favorable, with tight markets in both phosphate and potash due to limited new capacity, continued Chinese export restrictions, and record or near record global shipments; this structural supply constraint, combined with robust farmer demand (driven by rising food needs and government support in key regions like India and Brazil), positions Mosaic to capture higher prices, lifting revenue and margins.

Want to see what is sitting behind that pricing view? The narrative leans on specific revenue paths, margin shapes, and a future earnings multiple that are anything but conservative.

Result: Fair Value of $32.46 (UNDERVALUED)

However, that upside view still bumps up against risks such as global overcapacity in phosphate and potash, as well as tighter environmental rules that could squeeze pricing power and margins.

Next Steps

If this mix of opportunity and concern leaves you on the fence, it is worth reviewing the data yourself and acting promptly to form your own view, starting with 4 key rewards and 1 important warning sign.

Looking for more investment ideas?

If Mosaic has sharpened your focus on opportunities in materials, do not stop here, the broader market holds plenty of other stocks that could fit your goals.

• Target potential value by scanning our 45 high quality undervalued stocks and see which companies currently look out of favour based on their fundamentals.
• Strengthen your income stream with our 13 dividend fortresses, highlighting companies offering 5%+ yields alongside an emphasis on resilience.
• Prioritise financial resilience by checking the solid balance sheet and fundamentals stocks screener (41 results), featuring businesses with balance sheets and fundamentals that may better handle tougher conditions.

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.