Stocks / MLM
MLM stock forecast
MARTIN MARIETTA MATERIALS INC · Basic Materials · Building Materials
The model's rating
Greatly Underperform
MLM is rated Greatly Underperform as of September 29, 2026: its medium-term return forecast is in the bottom fifth of the stocks the model scores.
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MLM is not among the 20 largest holdings published for 2026 Q4. See the portfolio
MLM against the S&P 500
| Period | MLM | S&P 500 (SPY) |
|---|---|---|
| 1 month | -7.3% | -0.3% |
| 3 months | -17.0% | +2.5% |
| Year to date | -22.6% | +12.7% |
| 1 year | -23.4% | +15.7% |
Total return, dividends included.
Key numbers
| Price | $479.81 |
| Market cap | 28.82 Billion |
| P/E (trailing 12 months) | 11.8 |
| P/S (trailing 12 months) | 4.3 |
| P/B (latest quarter) | 2.8 |
| Gross margin | 28.2% |
| Net profit margin | 36.7% |
| Return on equity | 23.1% |
| Beta | 0.8 |
As of July 30, 2026.
MLM and its closest peers
| Stock | Company | Market cap | Model rating | |
|---|---|---|---|---|
| VMC | VULCAN MATERIALS CO | 31.7 Billion | Greatly Underperform | VMC vs MLM |
| STLD | STEEL DYNAMICS INC | 31.76 Billion | Greatly Underperform | STLD vs MLM |
| PPG | PPG INDUSTRIES INC | 23.19 Billion | Underperform | MLM vs PPG |
| IFF | INTERNATIONAL FLAVORS & FRAGRANCES INC | 21.3 Billion | Outperform | |
| DOW | DOW INC | 19.89 Billion | Greatly Outperform | |
| LYB | LYONDELLBASELL INDUSTRIES NV | 18.56 Billion | Outperform |
Questions
What does the Upfront Investment model say about MLM?
The model rates MARTIN MARIETTA MATERIALS INC (MLM) "Greatly Underperform" as of September 29, 2026, which means its medium-term return forecast is in the bottom fifth of the stocks the model scores. The rating is a statistical forecast, not a recommendation to buy or sell.
How is the MLM rating produced?
A machine-learning model forecasts each stock's return over the coming months and ranks the forecasts against each other. The label says where this stock's forecast falls in that ranking. It is refreshed whenever the model's data updates, normally every trading day.
Is MLM in the Upfront Investment model portfolio?
MLM is not among the 20 largest holdings published for 2026 Q4.
The rating is the output of a statistical model and can be wrong. It is not investment advice and takes no account of your circumstances. Past performance does not guarantee future results.