Mueller Industries Operating Margin Growth & History (MLI)

Mueller Industries's operating margin was 22.94% for fiscal 2025.

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Mueller Industries annual operating margin history

Mueller Industries annual operating margin

Fiscal yearPeriod endedOperating marginChange (percentage points)
20252025-12-2722.94%+2.50 pp
20242024-12-2820.44%−1.66 pp
20232023-12-3022.10%+0.08 pp
20222022-12-3122.03%+4.63 pp
20212021-12-2517.40%+7.15 pp
20202020-12-2610.25%+2.38 pp
20192019-12-287.87%+0.98 pp
20182018-12-296.90%+0.24 pp
20172017-12-306.65%−0.86 pp
20162016-12-317.51%

Mueller Industries operating margin trends

Over the last five reported fiscal years, Mueller Industries's operating margin increased from 10.25% to 22.94%, a change of +12.69 percentage points. The latest reported quarter, Q2 2026, shows 21.71%.

About the metric

What operating margin means

Operating margin measures the percentage of revenue left after operating costs and expenses. It shows how much operating profit a company generates from each dollar of revenue.

Calculation and source

How operating margin is calculated

TickerStat calculates operating margin as SEC-reported operating income divided by SEC-reported revenue for the same fiscal period. Changes are shown in percentage points. Fiscal periods can differ from calendar years, so exact period-end dates are included.

Review Mueller Industries filings at SEC.gov ↗