MLM vs WLK
MLM: Martin Marietta Materials is the largest producer and distributor of construction aggregates in North America, operating quarries and a multi-modal transport network to supply essential building materials to highways, buildings, and infrastructure projects. WLK: Vertically integrated chemicals and building products manufacturer spanning ethylene and chlor-alkali feedstocks through specialty polymers, PVC compounds, epoxy resins, and residential construction products.
Side-by-side fundamentals
| Metric | MLM | WLK | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $550.66 | $77.06 | |
| Market cap as of 2026-07-23 | $33.4B | $9.9B | |
| P/E as of 2026-07-23 | 13.19 | n/a | |
| PEG as of 2026-07-23 | 2.66 | 0.69 | WLK lower |
| Net margin as of 2026-07-23 | +38.7% | -14.9% | MLM higher |
| Gross margin as of 2026-07-23 | +29.8% | +6.3% | MLM higher |
| Operating margin as of 2026-07-23 | +22.4% | -15.7% | MLM higher |
| ROE as of 2026-07-23 | +25.1% | -17.7% | MLM higher |
| ROA as of 2026-07-23 | +13.4% | -8.2% | MLM higher |
| Debt / equity as of 2026-07-23 | 0.47 | 0.66 | MLM lower |
| Revenue growth (YoY) as of 2026-07-23 | -1.3% | -8.6% | MLM higher |
| Revenue CAGR (3y) SEC XBRL | -0.1% | -10.9% | MLM higher |
| Dividend yield as of 2026-07-23 | +0.6% | +1.8% | WLK higher |
| Dividend streak (yrs) SEC XBRL | 5 | 5 | Tie |
| Beta as of 2026-07-23 | 1.11 | 0.63 | |
| 1-year return as of 2026-07-22 close | -3.6% | -10.1% | MLM higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.