Mueller Industries MLI
NYSE MLI
$61.93 -0.77 (-1.23%)
At close: Aug 20, 2026 · 4:00 PM EDT

Mueller Industries (MLI) Operating Margin (2009 - 2026)

Mueller Industries (MLI) posted quarterly Operating Margin of 21.71% for Q2 2026, down 502.0% year-over-year from 5.4% in Q2 2025, and down 17.05% quarter-over-quarter from 26.17% in Q1 2026.

Mueller Industries (MLI) Operating Margin (2009 - 2026) Analysis & Trends

Mueller Industries' Operating Margin history runs 18 years deep, the most recent figure standing at 21.71% for Q2 2026.

  • In Q2 2026, Operating Margin fell 502.0% year-over-year to 21.71%; the TTM figure through Jun 2026 stood at 22.96% (up 110.0% YoY), while the FY2025 annual figure was 22.94%, up 250.0% from the prior year.
  • Operating Margin for Q2 2026 stood at 21.71%, down from 26.17% 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.
  • The 5-year median for Operating Margin is 21.7% (2022), against an average of 22.0%.
  • The sharpest annual moves came in 2022 and 2026: Operating Margin soared 975 bps in 2022, then sank 502 bps in 2026.
  • Mueller Industries' Operating Margin stood at 21.7% in 2022, then retreated by 15 bps to 18.47% in 2023, then retreated by 0 bps to 18.44% in 2024, then declined by 3 bps to 17.87% in 2025, then grew by 21 bps to 21.71% in 2026.
  • Business Quant data shows MLI's Operating Margin at 21.71% in Q2 2026, 26.17% in Q1 2026, and 17.87% in Q4 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Operating Margin (Qtr)
1 Ati 28.47 Bn 27.69 Bn 309.80 Mn 17.45%
2 Carpenter Technology 24.45 Bn 24.05 Bn 268.90 Mn 24.31%
3 Mueller Industries 13.49 Bn 12.07 Bn 395.35 Mn 21.71%
4 Commercial Metals 7.25 Bn 6.69 Bn 455.14 Mn -74.07%
5 Esab 4.82 Bn 4.61 Bn 307.21 Mn 9.75%
6 Gpgi 3.71 Bn 3.71 Bn - -
7 Worthington Enterprises 2.78 Bn 2.75 Bn 101.89 Mn 6.23%
8 Proto Labs 1.90 Bn 1.75 Bn 69.34 Mn 7.61%
9 Ryerson Holding 1.26 Bn 1.22 Bn 355.20 Mn 1.71%
10 Insteel Industries 590.85 Mn 567.91 Mn 20.10 Mn 5.86%

Historic Data

Download Data
DateValue
Jun 27, 2026 21.71%
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%