Mueller Industries (MLI) Operating Margin (2009 - 2026)
Mueller Industries' quarterly Operating Margin came in at 26.17% in Q1 2026, up 555.0% year-on-year from 4.0% in Q1 2025, and up 46.44% quarter-over-quarter from 17.87% in Q4 2025.
Mueller Industries has reported Operating Margin for 18 years, with the latest figure at 26.17% in Q1 2026.
- For the quarter ending Q1 2026, Operating Margin rose 555.0% year-over-year to 26.17%; the trailing twelve-month figure through Mar 2026 stood at 24.35% (up 411.0% YoY), and the FY2025 full-year result was 22.94%, up 250.0% from the prior year.
- Operating Margin for Q1 2026 stood at 26.17%, up from 17.87% in the prior quarter.
- The five-year high for Operating Margin was 26.72% in Q2 2025, with the low at 17.87% in Q4 2025.
- Average Operating Margin over 5 years is 22.02%, with a median of 21.7% recorded in 2022.
- Year-over-year, Operating Margin soared 975 bps in 2022 and plunged 323 bps in 2023.
- Tracing MLI's Operating Margin over 5 years: stood at 21.7% in 2022, then slipped by 15 bps to 18.47% in 2023, then slipped by 0 bps to 18.44% in 2024, then retreated by 3 bps to 17.87% in 2025, then jumped by 46 bps to 26.17% in 2026.
- The last three Operating Margin figures came in at 26.17% (Q1 2026), 17.87% (Q4 2025), and 25.62% (Q3 2025), per Business Quant data.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Ati | 22.19 Bn | 21.90 Bn | 262.90 Mn | 14.22% |
| 2 | Carpenter Technology | 21.71 Bn | 21.41 Bn | 251.80 Mn | 22.98% |
| 3 | Mueller Industries | 14.55 Bn | 13.18 Bn | 358.44 Mn | 26.17% |
| 4 | Esab | 5.57 Bn | 5.43 Bn | 257.79 Mn | 12.01% |
| 5 | Worthington Enterprises | 2.71 Bn | 2.70 Bn | 109.47 Mn | 8.33% |
| 6 | Proto Labs | 1.70 Bn | 1.56 Bn | 63.59 Mn | 7.06% |
| 7 | Mayville Engineering Company | 520.33 Mn | 518.26 Mn | 10.96 Mn | -5.31% |
| 8 | Insteel Industries | 517.83 Mn | 502.74 Mn | 16.49 Mn | 3.93% |
| 9 | Tredegar | 271.32 Mn | 255.71 Mn | 28.99 Mn | -81.20% |
| 10 | Techprecision | 38.93 Mn | 38.86 Mn | 381,000.00 | -19.06% |
Historic Data
Download Data| Date | Value |
|---|---|
| Mar 28, 2026 | 26.17% |
| Dec 27, 2025 | 17.87% |
| Sep 27, 2025 | 25.62% |
| Jun 28, 2025 | 26.72% |
| Mar 29, 2025 | 20.62% |
| Dec 28, 2024 | 18.44% |
| Sep 28, 2024 | 20.71% |
| Jun 29, 2024 | 21.05% |
| Mar 30, 2024 | 21.59% |
| Dec 30, 2023 | 18.47% |
| Sep 30, 2023 | 22.08% |
| Jul 1, 2023 | 23.49% |
| Apr 1, 2023 | 23.59% |
| Dec 31, 2022 | 21.70% |
| Sep 24, 2022 | 21.71% |
| Jun 25, 2022 | 23.38% |
| Mar 26, 2022 | 21.06% |
| Dec 25, 2021 | 18.00% |
| Sep 25, 2021 | 23.76% |
| Jun 26, 2021 | 15.59% |
| Mar 27, 2021 | 11.31% |
| Dec 26, 2020 | 9.62% |
| Sep 26, 2020 | 11.18% |
| Jun 27, 2020 | 10.46% |
| Mar 28, 2020 | 9.84% |
| Dec 28, 2019 | 8.17% |
| Sep 28, 2019 | 7.60% |
| Jun 29, 2019 | 7.73% |
| Mar 30, 2019 | 8.04% |
| Dec 29, 2018 | 7.15% |
| Sep 29, 2018 | 5.21% |
| Jun 30, 2018 | 7.83% |
| Mar 31, 2018 | 7.41% |
| Dec 30, 2017 | 4.02% |
| Sep 30, 2017 | 6.81% |
| Jul 1, 2017 | 7.60% |
| Apr 1, 2017 | 7.88% |
| Dec 31, 2016 | 6.57% |
| Oct 1, 2016 | 7.40% |
| Jul 2, 2016 | 8.17% |
| Apr 2, 2016 | 7.78% |
| Dec 26, 2015 | 4.02% |
| Sep 26, 2015 | 5.05% |
| Jun 27, 2015 | 10.00% |
| Mar 28, 2015 | 6.65% |
| Dec 27, 2014 | -13.48% |
| Sep 27, 2014 | 6.26% |
| Jun 28, 2014 | 7.42% |
| Mar 29, 2014 | 6.67% |
| Dec 28, 2013 | -31.56% |
| Sep 28, 2013 | 12.71% |
| Jun 29, 2013 | 24.79% |
| Mar 30, 2013 | 6.67% |
| Dec 29, 2012 | 5.07% |
| Sep 29, 2012 | 4.76% |
| Jun 30, 2012 | 5.02% |
| Mar 31, 2012 | 8.11% |
| Dec 31, 2011 | 4.30% |
| Oct 1, 2011 | 3.22% |
| Jul 2, 2011 | 5.60% |
| Apr 2, 2011 | 9.20% |
| Dec 25, 2010 | -12.20% |
| Sep 25, 2010 | 6.09% |
| Jun 26, 2010 | 5.36% |
| Mar 27, 2010 | 9.70% |
| Dec 26, 2009 | -1.60% |
| Sep 26, 2009 | 6.62% |
| Jun 27, 2009 | 3.75% |