Martin Marietta Materials (MLM) Operating Margin (2009 - 2026)
Martin Marietta Materials (MLM) posted Operating Margin of 18.49% for Q3 2026, down 8.87 percentage points from 27.36% a year earlier and down 0.62 percentage points from the prior quarter.
Martin Marietta Materials (MLM) Operating Margin (2009 - 2026) Analysis & Trends
For the trailing twelve months through Sep 30, 2026, Operating Margin at Martin Marietta Materials was 18.21%, down 5.61 percentage points year-over-year; for FY2025, it came in at 23.37%, down 20.42 percentage points from FY2024.
- Annual Operating Margin shows a five-year change of +2.11 percentage points (FY2020 to FY2025).
- In prior years, Martin Marietta Materials' Operating Margin was 43.78% in FY2024 (+21.00 pp), 22.78% in FY2023 (+3.19 pp), 19.59% in FY2022 (+1.60 pp) and 17.99% in FY2021 (-3.27 pp).
- Quarterly Operating Margin has run from a low of 4.87% in Q1 2022 to a high of 134.56% in Q1 2024 over five years.
- On a year-over-year basis, Operating Margin has declined in each of the last four quarters, with an average year-over-year change of -16.11 percentage points over the last eight quarters.
- The strongest year-over-year quarter for Operating Margin in the past five years was Q1 2024, with a gain of 120.09 percentage points; the weakest was Q1 2025, with a drop of 119.16 percentage points.
- According to Business Quant data, Operating Margin for the three prior quarters was 19.11% (Q2 2026), 11.89% (Q1 2026) and 22.23% (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Crh Public | 64.80 Bn | 49.33 Bn | 4.42 Bn | 16.64% |
| 2 | Vulcan Materials | 36.96 Bn | 36.33 Bn | 665.60 Mn | 24.01% |
| 3 | Martin Marietta Materials | 34.06 Bn | 33.47 Bn | 651.00 Mn | 18.49% |
| 4 | Amrize | 22.81 Bn | 18.76 Bn | 1.08 Bn | 21.03% |
| 5 | Cemex Sab De Cv | 15.87 Bn | 12.07 Bn | - | - |
| 6 | Eagle Materials | 5.72 Bn | 4.53 Bn | 174.73 Mn | 22.64% |
| 7 | Knife River | 3.28 Bn | 2.80 Bn | 287.60 Mn | 16.79% |
| 8 | Titan America | 2.11 Bn | 2.11 Bn | - | - |
| 9 | Cementos Pacasmayo Saa | 1.10 Bn | 882.37 Mn | - | - |
| 10 | Loma Negra Compania Industrial Argentina Sociedad Anonima | 1.03 Bn | 1.03 Bn | - | - |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 18.49% |
| Jun 30, 2026 | 19.11% |
| Mar 31, 2026 | 11.89% |
| Dec 31, 2025 | 22.23% |
| Sep 30, 2025 | 27.36% |
| Jun 30, 2025 | 25.67% |
| Mar 31, 2025 | 15.40% |
| Dec 31, 2024 | 24.01% |
| Sep 30, 2024 | 24.73% |
| Jun 30, 2024 | 25.64% |
| Mar 31, 2024 | 134.56% |
| Dec 31, 2023 | 15.69% |
| Sep 30, 2023 | 28.44% |
| Jun 30, 2023 | 25.43% |
| Mar 31, 2023 | 14.48% |
| Dec 31, 2022 | 17.78% |
| Sep 30, 2022 | 22.40% |
| Jun 30, 2022 | 29.15% |
| Mar 31, 2022 | 4.87% |
| Dec 31, 2021 | 14.04% |
Martin Marietta Materials Operating Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=operating-margin&ticker=MLM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "ticker": "MLM", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=operating-margin&ticker=MLM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();