CENX vs CSTM: Century Aluminum and Constellium Nv compared
The short version
From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.
- Constellium Nv is the larger company, worth $3.2B, close to Century Aluminum's $3.2B.
- Constellium Nv grew revenue faster over the last year (+24.4% vs +19.7%).
- On earnings, Constellium Nv is the cheaper stock (7.6x vs 9.7x).
- Century Aluminum's price assumes faster free cash flow growth: about 13% a year, against 5% for Constellium Nv (reverse DCF).
Side by side
The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.
| Measure | CENX | CSTM |
|---|---|---|
| Market cap | $3.2B | $3.2B |
| Share price | $36.76 | $25.81 |
| Revenue (last fiscal year) | $2.5B | $8.4B |
| Free cash flow (last fiscal year) | $85M | $159M |
| Revenue growth, last year | +19.7% | +24.4% |
| Revenue growth per year, last 5 fiscal years | +3.4% | -0.3% |
| Operating margin | 25.3% | — |
| Net margin | 22.6% | 4.9% |
| Return on equity | 43.0% | 38.9% |
| P/E (trailing) | 9.66x | 7.61x |
| Price / free cash flow | 37.9x | 20.4x |
| EV / EBITDA | 13.8x | 5.03x |
| FCF growth the price implies | 13.4% | 5.3% |
| Dividend yield | — | — |
| Debt / equity | 0.96x | 4.21x |
| Fundamental grade | B | C |
| Superinvestors holding it | 4 | 4 |
| Insider purchases, last 12 months | 0 | 1 |
Results from SEC filings
Revenue and free cash flow by fiscal year, from each company's 10-K filings.
Century Aluminum
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2021 | $2.2B | -$148M | 3.0% |
| 2022 | $2.8B | -$60M | -5.4% |
| 2023 | $2.2B | $11M | 1.3% |
| 2024 | $2.2B | -$107M | 4.9% |
| 2025 | $2.5B | $85M | 6.3% |
Constellium Nv
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2022 | $8.5B | $76M | — |
| 2023 | $7.8B | $66M | — |
| 2024 | $7.3B | -$112M | — |
| 2025 | $8.4B | $159M | — |
Where the revenue comes from
Century Aluminum · by products, 2025
Aluminum$2.2B89%
Alumina$284M11%
Constellium Nv · by segments, 2025
P&ARP$5.1B59%
A&T$2.0B23%
AS&I$1.6B18%
H&C$5M0%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open CENX in InvestinglyQuestions
Which is bigger, Century Aluminum or Constellium Nv?
Constellium Nv (CSTM), at $3.2B against $3.2B.
Is CENX or CSTM cheaper?
By trailing P/E, Constellium Nv (7.61x) is cheaper than Century Aluminum (9.66x). A lower multiple can also mean the market expects less growth.
Which grows faster, CENX or CSTM?
Constellium Nv: revenue grew +24.4% over the last year, against +19.7%.
More comparisons
Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.