Amrize Ltd vs Owens Corning, two Building Materials stocks. A side-by-side on valuation, growth, margins, returns, and what each price is betting.
These two build different parts of a house and are in different parts of the cycle. Amrize supplies cement and building materials and is turning a profit, 8.83% on equity and a 9.7% net margin. Owens Corning, which makes insulation and roofing, is losing money this stretch after taking charges, with a net margin of -5.43% and equity return of -14.5%. Yet the cash lines flip the picture: Owens Corning still yields 7.53% in free cash and pays a 2.11% dividend, well ahead of Amrize's 4.26% yield. Owens Corning also carries heavier debt, 1.5 debt-to-equity against 0.44. Amrize is the larger and steadier of the two at $31.0B.
Comparison updated 2026-07-11.
| Metric | AMRZ | OC |
|---|---|---|
| Price | $50.80 | $143.34 |
| Market cap | $28.1B | $11.6B |
| Sector | Building Materials | Building Materials |
| Stage | Mature | Mature |
| Implied growth (priced in) | — | +21.1% |
| P/E | 24.3 | — |
| P/B | 2.15 | 3.16 |
| P/S | 2.36 | 1.18 |
| EV/EBITDA | 11.8 | 68.3 |
| Revenue growth | +3.5% | -5.0% |
| Gross margin | 9.7% | 22.5% |
| Operating margin | -3.5% | 5.3% |
| Net margin | 9.7% | -5.4% |
| Return on equity | 8.8% | -14.5% |
| Return on assets | 4.8% | -4.1% |
| Return on invested capital | 7.8% | 0.6% |
| FCF yield | 4.7% | 7.1% |
| Dividend yield | — | 2.0% |
| Debt / equity | 0.44 | 1.50 |
| Current ratio | 1.40 | 1.24 |
| Altman Z (solvency) | 2.09 | 2.05 |
| Piotroski F (quality) | 3 / 9 | 3 / 9 |
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The stronger value is highlighted per metric where one is strictly better on that single number; it is not an overall verdict on either company. For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.