Filing Flows › Mueller Industries (MLI) › Operating margin
Mueller Industries (MLI) operating margin by quarter
Mueller Industries' operating margin was 19.8% in Q3 2026 (third quarter 2026), -1.9 pts from Q2 2026. Over the last 7 quarters it ranged from 17.9% (Q4 2025) to 26.7% (Q2 2025).
| Quarter | Operating margin | Q/Q | Y/Y |
|---|---|---|---|
| Q3 2026 | 19.8% | -1.9 pts | -5.8 pts |
| Q2 2026 | 21.7% | -4.5 pts | -5.0 pts |
| Q1 2026 | 26.2% | +8.3 pts | +5.5 pts |
| Q4 2025 | 17.9% | -7.7 pts | — |
| Q3 2025 | 25.6% | -1.1 pts | — |
| Q2 2025 | 26.7% | +6.1 pts | — |
| Q1 2025 | 20.6% | — | — |
Q3 2026 at a glance
Mueller Industries, Q3 2026: revenue $1.4B (+32% year over year), operating margin 19.8%, net earnings $221M, operating cash flow $337M. The chart follows the revenue to costs, profit and cash.
Questions
What is Mueller Industries' operating margin?
Mueller Industries' operating margin was 19.8% in Q3 2026 (third quarter 2026), -1.9 pts from Q2 2026.
How has Mueller Industries' operating margin changed?
Over the last 7 quarters it ranged from 17.9% (Q4 2025) to 26.7% (Q2 2025).