Constellium (CSTM) vs Kaiser Aluminum (KALU)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Kaiser Aluminum (KALU) has outperformed Constellium (CSTM) over the past year, gaining 82.5% versus a gain of 69.4%. Over five years, CSTM leads with a +33.8% price change compared with +28.0% for KALU. Constellium is the larger company by market cap ($3.51 billion vs $2.50 billion), about 1.4 times the size.
On valuation, Constellium trades at a lower forward P/E (8.8x vs 13.2x for Kaiser Aluminum). Kaiser Aluminum pays a dividend yielding 2.02%, while Constellium does not currently pay one. Kaiser Aluminum converts more of its revenue into profit, with a net margin of 3.3% versus 3.2%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | CSTM | KALU |
|---|---|---|
| Share price | $25.89 | $152.80 |
| Market cap | $3.51B | $2.50B |
| 1-day change | +1.11% | +2.04% |
| YTD return | +35.81% | +30.37% |
| 1-year return | +69.42% | +82.48% |
| 5-year return | +33.75% | +27.98% |
| P/E ratio (TTM) | 6.69 | 11.33 |
| Forward P/E | 8.83 | 13.19 |
| EPS (TTM) | $3.87 | $13.48 |
| Dividend yield | 0.00% | 2.02% |
| Annual dividend | $0.00 | $3.08 |
| Revenue (latest FY) | $8.45B | $3.37B |
| Revenue growth (YoY) | +15.19% | +11.54% |
| Net income (latest FY) | $273.00M | $112.50M |
| Gross margin | 14.05% | 13.12% |
| Operating margin | — | 5.60% |
| Net margin | 3.23% | 3.34% |
| 52-week high | $36.99 | $199.89 |
| 52-week low | $14.39 | $76.46 |
| Distance from 52-week high | -30.02% | -23.56% |
| Analyst consensus | strong_buy | none |
| Avg. price target upside | +36.53% | +10.11% |
| Average volume | 1.58M | 240.13K |
| Shares outstanding | 135.53M | 16.35M |
| Employees | 11,500 | 3,800 |
| Sector | Industrials | Industrials |
| Industry | Metal Fabrications | Metal Fabrications |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- KALU has outperformed CSTM by 13.1 percentage points over the past year.
- Kaiser Aluminum trades at a higher earnings multiple (11.3x vs 6.7x trailing P/E).
- Kaiser Aluminum offers a meaningfully higher dividend yield (2.02% vs 0.00%).
About Constellium
CSTM stock →Constellium SE, together with its subsidiaries, engages in the design, manufacture, and sale of rolled and extruded aluminum products for the aerospace, packaging, automotive, commercial transportation, general industrial, and defense end-markets. It operates through three segments: Packaging & Automotive Rolled Products, Aerospace & Transportation, and Automotive Structures & Industry.
Industrials · Metal Fabrications · 11,500 employees
About Kaiser Aluminum
KALU stock →Kaiser Aluminum Corporation, together with its subsidiaries, manufactures and sells semi-fabricated specialty aluminum mill products. It offers flat-rolled plate, sheet, and coil; extruded rod, bar, hollows, and shapes; drawn rod, bar, pipe, tube, and wire; and cast aluminum products.
Industrials · Metal Fabrications · 3,800 employees
CSTM vs KALU FAQ
Which is bigger, Constellium or Kaiser Aluminum?
Constellium (CSTM) is larger, with a market capitalization of $3.51B compared with $2.50B for Kaiser Aluminum (KALU).
Which stock has performed better over the past year, CSTM or KALU?
KALU returned +82.48% over the past 12 months, compared with +69.42% for CSTM (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, CSTM or KALU?
CSTM has the lower trailing P/E at 6.7, versus 11.3 for KALU. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Constellium or Kaiser Aluminum?
Kaiser Aluminum pays a dividend yielding 2.02%, while Constellium does not currently pay a regular dividend.
Are Constellium and Kaiser Aluminum in the same industry?
Yes. Both are classified in the Metal Fabrications industry within the Industrials sector.