Filing Flows › Martin Marietta Materials (MLM) › Q3 2026
Martin Marietta Materials (MLM) Q3 2026 earnings results (third quarter 2026)
10-Q filed Nov 4, 2026
Martin Marietta Materials (MLM) reported revenue of $2.4B for the third quarter 2026 (Q3 2026), +28% from a year earlier and +22% from the quarter before. Operating margin was 18.5%, net earnings $256M (10.8% of revenue).
Martin Marietta Materials, Q3 2026: revenue $2.4B (+28% year over year), operating margin 18.5%, net earnings $256M, operating cash flow $557M. The chart follows the revenue to costs, profit and cash.
| Q3 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $2.4B | +22% | +28% |
| Gross profit | $651M | +32% | +7% |
| Operating profit | $438M | +18% | -13% |
| Net earnings | $256M | +2% | -38% |
| Operating cash flow | $557M | +397% | +1% |
| Free cash flow | $426M | — | +18% |
What changed
Revenue was $2.4B in Q3 2026, up 28% year over year and up 22% from the previous quarter.
Gross margin was 27.5%, down 5.6 points from Q3 2025. Operating profit was $0.44B, a 18.5% margin (down 8.9 points year over year). Operating profit fell $0.07B even though revenue rose $0.52B versus Q3 2025, so costs grew faster than sales. Operating expenses grew 101% against revenue growth of 28%. Net earnings were $0.26B, down 38% year over year. The effective tax rate was 18.2%.
Operating cash flow was $0.56B (up 1% year over year), 218% of net earnings. Non-cash charges added back $0.25B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items added $0.05B. Capital expenditures of $0.13B left free cash flow of $0.43B.
Questions
What was Martin Marietta Materials' revenue in the third quarter 2026?
Martin Marietta Materials (MLM) reported revenue of $2.4B for the third quarter 2026 (Q3 2026), +28% from a year earlier and +22% from the quarter before.
Was Martin Marietta Materials profitable in the third quarter 2026?
Operating profit was $438M (18.5% of revenue) and net earnings $256M.