Filing Flows › Mosaic (MOS) › Q4 2025
Mosaic (MOS) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Feb 27, 2026
Mosaic (MOS) reported revenue of $3.0B for the fourth quarter 2025 (Q4 2025), +6% from a year earlier and -14% from the quarter before. Operating margin was -3.4%, net loss $518M (17.4% of revenue).
Mosaic, Q4 2025: revenue $3.0B (+6% year over year), operating margin -3.4%, net loss $518M, operating cash flow −$56.1M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $3.0B | -14% | +6% |
| Operating profit | −$101M | -130% | — |
| Net earnings | −$518M | -226% | — |
| Operating cash flow | −$56.1M | -125% | — |
What changed
Revenue was $3.0B in Q4 2025, up 6% year over year and down 14% from the previous quarter.
Gross margin was 11.5%, up 0.8 points from a year earlier. Operating costs exceeded revenue by $0.10B, an operating margin of -3.4%. Operating expenses grew 120% against revenue growth of 6%. The fastest-growing cost line was Other operating costs (+267%). The quarter ended with a net loss of $0.52B, after a profit of $0.42B the previous quarter.
Operating cash flow was −$0.06B. Non-cash charges added back $0.27B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items added $0.19B. Capital expenditures of $0.35B exceeded it, leaving free cash flow of −$0.41B.
Questions
What was Mosaic's revenue in the fourth quarter 2025?
Mosaic (MOS) reported revenue of $3.0B for the fourth quarter 2025 (Q4 2025), +6% from a year earlier and -14% from the quarter before.
Was Mosaic profitable in the fourth quarter 2025?
Operating loss was $101M (-3.4% of revenue) and net loss $518M.
Source: Mosaic 10-K on SEC EDGAR.