CSTM vs KALU
CSTM: Constellium is a leading designer and manufacturer of specialized aluminum products for critical applications in the automotive, aerospace, and packaging markets. KALU: Kaiser Aluminum is a leading manufacturer of high-strength specialty aluminum products essential for the aerospace, defense, and industrial sectors.
Side-by-side fundamentals
| Metric | CSTM | KALU | Edge |
|---|---|---|---|
| Price as of 2026-10-08 close | $25.60 | $149.74 | |
| Market cap | $3.5B | $2.4B | |
| P/E as of 2026-10-08 | 6.59 | 11.11 | CSTM lower |
| Net margin FY2025, SEC XBRL | +3.2% | +3.3% | KALU higher |
| Operating margin FY2025, SEC XBRL | n/a | +5.6% | |
| ROE FY2025, SEC XBRL | +28.1% | +13.6% | CSTM higher |
| ROA FY2025, SEC XBRL | +5.1% | +4.4% | CSTM higher |
| Debt / equity as of 2026-09-03 | 1.54 | 1.10 | KALU lower |
| Revenue growth (YoY) as of 2026-09-03 | -26.6% | +32.8% | KALU higher |
| Revenue CAGR (3y) SEC XBRL | -0.3% | -0.5% | CSTM higher |
| Dividend yield as of 2026-09-02 | n/a | +2.1% | |
| Dividend streak (yrs) SEC XBRL | 0 | 14 | KALU higher |
| Beta as of 2026-09-03 | 1.64 | 1.34 | |
| 1-year return as of 2026-10-08 close | +69.4% | +82.5% | KALU higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-08.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.