Mueller Industries Inc (MLI) stock
MLINYSERolling Drawing & Extruding of Nonferrous MetalsFiscal year ends December 26
Financials through Q3 FY2026, quarter ended Sep 26, 2026Last filing: 10-Q on Oct 21, 2026Score 17/305% above fair value
$54.89+0.05 (+0.09%)
Close on Nov 13, 2026Market cap $11.96BP/E 14.1Yield 0.91%
Mueller Industries operating margin
Operating margin is operating income as a percentage of revenue.
Mueller Industries's operating margin for the twelve months ending Sep 26, 2026 was 21.5%. For fiscal 2025 it was 22.9%, against 20.4% the year before. The highest annual figure on record is 22.9% in fiscal 2025.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 27, 2025 | 22.9% | +2.5 |
| FY2024 | Dec 28, 2024 | 20.4% | −1.7 |
| FY2023 | Dec 30, 2023 | 22.1% | +0.1 |
| FY2022 | Dec 31, 2022 | 22.0% | +4.6 |
| FY2021 | Dec 25, 2021 | 17.4% | +7.1 |
| FY2020 | Dec 26, 2020 | 10.3% | +2.4 |
| FY2019 | Dec 28, 2019 | 7.9% | +1.0 |
| FY2018 | Dec 29, 2018 | 6.9% | +0.2 |
| FY2017 | Dec 30, 2017 | 6.7% | −0.9 |
| FY2016 | Dec 31, 2016 | 7.5% | +1.0 |
| FY2015 | Dec 26, 2015 | 6.5% | +0.0 |
| FY2014 | Dec 27, 2014 | 6.5% | −6.0 |
| FY2013 | Dec 28, 2013 | 12.6% | +6.8 |
| FY2012 | Dec 29, 2012 | 5.8% | +0.0 |
| FY2011 | Dec 31, 2011 | 5.8% | −0.8 |
| FY2010 | Dec 25, 2010 | 6.6% | +4.5 |
| FY2009 | Dec 26, 2009 | 2.1% | −2.8 |
| FY2008 | Dec 27, 2008 | 4.9% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 26, 2026 | 19.8% | −5.8 |
| Q2 FY2026 | Jun 27, 2026 | 21.7% | −5.0 |
| Q1 FY2026 | Mar 28, 2026 | 26.2% | +5.5 |
| Q4 FY2025 | Dec 27, 2025 | 17.9% | −0.6 |
| Q3 FY2025 | Sep 27, 2025 | 25.6% | +4.9 |
| Q2 FY2025 | Jun 28, 2025 | 26.7% | +5.7 |
| Q1 FY2025 | Mar 29, 2025 | 20.6% | −1.0 |
| Q4 FY2024 | Dec 28, 2024 | 18.4% | −0.0 |
| Q3 FY2024 | Sep 28, 2024 | 20.7% | −1.4 |
| Q2 FY2024 | Jun 29, 2024 | 21.0% | −2.4 |
| Q1 FY2024 | Mar 30, 2024 | 21.6% | −2.0 |
| Q4 FY2023 | Dec 30, 2023 | 18.5% | −3.2 |
| Q3 FY2023 | Sep 30, 2023 | 22.1% | +0.4 |
| Q2 FY2023 | Jul 1, 2023 | 23.5% | +0.1 |
| Q1 FY2023 | Apr 1, 2023 | 23.6% | +2.5 |
| Q4 FY2022 | Dec 31, 2022 | 21.7% | +3.7 |
| Q3 FY2022 | Sep 24, 2022 | 21.7% | −2.0 |
| Q2 FY2022 | Jun 25, 2022 | 23.4% | +7.8 |
| Q1 FY2022 | Mar 26, 2022 | 21.1% | +9.7 |
| Q4 FY2021 | Dec 25, 2021 | 18.0% | +8.4 |
| Q3 FY2021 | Sep 25, 2021 | 23.8% | +12.6 |
| Q2 FY2021 | Jun 26, 2021 | 15.6% | +5.1 |
| Q1 FY2021 | Mar 27, 2021 | 11.3% | +1.5 |
| Q4 FY2020 | Dec 26, 2020 | 9.6% | +1.4 |
| Q3 FY2020 | Sep 26, 2020 | 11.2% | +3.6 |
| Q2 FY2020 | Jun 27, 2020 | 10.5% | +2.7 |
| Q1 FY2020 | Mar 28, 2020 | 9.8% | +1.8 |
| Q4 FY2019 | Dec 28, 2019 | 8.2% | +1.0 |
| Q3 FY2019 | Sep 28, 2019 | 7.6% | +2.4 |
| Q2 FY2019 | Jun 29, 2019 | 7.7% | −0.1 |
| Q1 FY2019 | Mar 30, 2019 | 8.0% | +0.6 |
| Q4 FY2018 | Dec 29, 2018 | 7.1% | +3.1 |
| Q3 FY2018 | Sep 29, 2018 | 5.2% | −1.6 |
| Q2 FY2018 | Jun 30, 2018 | 7.8% | +0.2 |
| Q1 FY2018 | Mar 31, 2018 | 7.4% | −0.5 |
| Q4 FY2017 | Dec 30, 2017 | 4.0% | −2.5 |
| Q3 FY2017 | Sep 30, 2017 | 6.8% | – |
| Q2 FY2017 | Jul 1, 2017 | 7.6% | – |
| Q1 FY2017 | Apr 1, 2017 | 7.9% | – |
| Q4 FY2016 | Dec 31, 2016 | 6.6% | – |
See a number that looks wrong?