Growth Metrics

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

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DateValue
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%