Constellium (CSTM) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Constellium

NYSE•Basic Materials•Aluminum

$24.43-0.13(-0.01%)After hours

Market Cap

$3.12B

P/E

5.4x

P/S

0.3x

P/B

2.3x

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. The Packaging & Automotive Rolled Products segment produces and develops rolled aluminum products, including canstock and closure stock for the beverage and food industry, as well as foil stock for the flexible packaging market. This segment also supplies automotive body sheets, heat exchangers, and battery foil products for the automotive market. The Aerospace & Transportation segment provides aluminum products including plate, sheet, and extrusions to aerospace, space, commercial transportation, general industrial, and defense sectors. The Automotive Structures & Industry segment offers structural solutions for the automotive industry including crash management systems, body structures, side impact beams, and battery enclosure components; soft and hard alloy extrusions for automotive, transportation, and general industrial applications; and profiles for rail and general industrial applications. This segment also provides downstream technology and services, which include pre-machining, surface treatment, research and development, and technical support services. It sells its products directly or through distributors in France, Germany, the Czech Republic, the United Kingdom, Switzerland, and the United States, as well as South Korea, Japan and China. The company was incorporated in 2010 and is headquartered in Paris, France.

How this company scores

GoodMetricSide Score: 69/100

Strongest: Profitability (20/25); weakest: Growth (14/25).

Profitability20/25

Growth14/25

Balance Sheet & Red Flags18/25

Cash & Earnings Quality17/25

Strengths

High ROERising earningsInterest easily coveredProfit converts from growth

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 5.4x5y range 5.4x – 9.6x

Currently below its 5-quarter median.

P/S · 0.3x5y range 0.2x – 0.4x

Currently near its 5-quarter median.

P/B · 2.3x5y range 1.9x – 3.4x

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

High Risk

Earnings Quality

Red Flag

FCF consistently trails net income (avg 0.2x) — earnings may be inflated by non-cash items or aggressive accounting.

Cash Burn

Watch

FCF turned negative in 2 of the last 8 quarters — occasional cash consumption.

Price & Volume

Market Cap $3.12B

Metrics at a Glance

as of September 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue: $10.05B
Q. Revenue: $2.64B
TTM EBITDA: $1.53B
TTM Op. Income: $1.20B
Q. Op. Income: $271.00M
TTM Net Income: $574.00M
Q. Net Income: $117.00M
EPS: $0.87
Shares Out.: $134.87M

$10.05B in TTM revenue declined 26.0% YoY, reaching $2.64B last quarter. TTM EBITDA of $1.53B and TTM operating income of $1.20B show growth is flowing through to the bottom line. TTM net income of $574.00M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 3 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin: 13.9%
EBITDA Margin: 13.4%
Op. Margin: 10.3%
Net Margin: 4.4%

Op. margin of 10.3% is up 0.3% YoY — cost efficiency is improving. Net margin at 4.4% and gross margin of 13.9% show how much of each revenue dollar survives to profit. Over the past year, operating margin is up 3% — a weakening trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio: 5.4x
P/S Ratio: 0.3x
P/B Ratio: 2.3x

At 5.4x P/E, the stock trades below typical market levels. P/S of 0.3x and P/B of 2.3x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Over the past year, P/E is down 43% — an improving trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets: $5.86B
Cash: $158.00M
Long-Term Debt: $1.78B
Book Value: $1.33B
D/E Ratio: 1.3
Debt/EBITDA: 5.0

With $5.86B in assets and $1.78B in long-term debt, D/E is 1.3and book value is $1.33B — moderate leverage. Across the last 8 quarters, debt/equity has fallen for 7 consecutive quarters — an improving trend.

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow: $186.00M
TTM Free Cash Flow: $319.00M
FCF Margin: 3.2%
FCF / Net Income: 0.6

TTM FCF of $319.00M on $186.00M in operating cash flow. The FCF / Net Income ratio of 0.6x means cash covers only part of net income — earnings quality needs attention. Across the last 8 quarters, free cash flow has risen for 4 consecutive quarters — an improving trend.