Filing Flows › Minerals Technologies (MTX) › Q3 2025
Minerals Technologies (MTX) Q3 2025 earnings results (third quarter 2025)
10-Q filed Oct 24, 2025
Minerals Technologies (MTX) reported revenue of $532M for the third quarter 2025 (Q3 2025), +1% from a year earlier and +0.7% from the quarter before. Operating margin was 13.3%, net earnings $43.0M (8.1% of revenue).
Minerals Technologies, Q3 2025: revenue $532M (+2% year over year), operating margin 13.3%, net earnings $43.0M, operating cash flow $70.9M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $532M | +0.7% | +1% |
| Gross profit | $137M | +0.1% | +1% |
| Operating profit | $70.9M | -5% | -7% |
| Net earnings | $43.0M | -5% | -8% |
| Operating cash flow | $70.9M | +13% | +18% |
| Free cash flow | $43.6M | +29% | +24% |
What changed
Revenue was $532.4M in Q3 2025, up 1% year over year and up 1% from the previous quarter. High Temperature Technologies was the largest line at 34% of revenue. Environmental and Infrastructure added $6.5M year over year (up 9%), 84% of the total change. Specialty Additives declined 1%.
Gross margin was 25.7%, unchanged from a year earlier. Operating profit was $70.9M, a 13.3% margin (down 1.3 points year over year). Operating profit fell $5.7M even though revenue rose $7.7M versus a year earlier, so costs grew faster than sales. Operating expenses grew 13% against revenue growth of 1%. The fastest-growing cost line was Other operating costs (+188%). Net earnings were $43.0M, down 8% year over year. The effective tax rate was 23.4%.
Operating cash flow was $70.9M (up 18% year over year), 160% of net income including minority interests. Working capital and other items added $26.7M. Capital expenditures of $27.3M left free cash flow of $43.6M.
Questions
What was Minerals Technologies' revenue in the third quarter 2025?
Minerals Technologies (MTX) reported revenue of $532M for the third quarter 2025 (Q3 2025), +1% from a year earlier and +0.7% from the quarter before.
Was Minerals Technologies profitable in the third quarter 2025?
Operating profit was $70.9M (13.3% of revenue) and net earnings $43.0M.