AMBP vs CSTM vs AMCR Stock Comparison

Ardagh Metal Packaging, Constellium Se and Amcor Prices as of Oct 28, 2026 Peers: Industry group
CSTM Constellium Se
$24.44 -0.8% 1M +44.5% 1Y
Market cap
$3.24B
P/E
5.6x
Revenue (TTM)
$10.05B
Div. yield
–
Metal Fabrication Industrials
8 wins
AMCR Amcor plc
$45.67 +6.7% 1M +9.4% 1Y
Market cap
$21.76B
P/E
19.7x
Revenue (TTM)
$23.51B
Div. yield
0.05%
Plastic Packaging Basic Materials
3 wins

Head to Head

11 decided of 12

Constellium Se leads on 8 of the 12 questions below (Constellium Se 8, Amcor 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMBPCSTMAMCRLeader
Larger companyMarket capitalisation $2.70B $3.24B $21.76B AMCR
Cheaper on earningsLower P/E, profitable companies only 46.5x 5.6x 19.7x CSTM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.7x 5.8x 11.1x CSTM
Faster revenue growthRevenue growth, trailing twelve months +17.0% +26.1% +56.6% AMCR
More profitableNet margin, trailing twelve months 0.9% 5.7% 4.7% CSTM
Better return on capitalReturn on invested capital 5.6% 26.9% 6.1% CSTM
Less leveragedLower net debt / EBITDA 5.0x 1.1x 3.8x CSTM
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.05% –
Better 1-year returnPrice return, last 12 months +20.6% +44.5% +9.4% CSTM
Better 5-year returnAnnualised price return, 5 years -14.5%/yr +5.8%/yr -5.4%/yr CSTM
Less volatileAnnualised volatility, 1 year 33.9% 44.8% 31.6% AMCR
Higher overall scoreMean of the five percentile scores vs peers 70/100 75/100 67/100 CSTM

Percentile Scorecard

AMBPCSTMAMCR

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisAMBPCSTMAMCR
Valuation 87 #3 of 16 98 #6 of 203 40 #10 of 16
Growth 87 #3 of 16 100 #1 of 188 93 #2 of 16
Profitability 64 #6 of 15 66 #64 of 184 71 #5 of 15
Financial Health 13 #14 of 16 21 #172 of 217 40 #10 of 16
Shareholder Returns 100 #1 of 14 90 #16 of 153 92 #2 of 14
Overall 70 75 67
  • AMBP ranked among 17 companies in Packaging
  • CSTM ranked among 222 companies in Machinery
  • AMCR ranked among 17 companies in Packaging

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodAMBPCSTMAMCRSPY
1 month +2.3%-0.8%+6.7% +0.9%
3 months -9.5%-11.4%-0.4% +5.9%
6 months +16.9%-24.2%+22.3% +8.5%
Year to date +9.8%+29.7%+9.5% +13.3%
1 year +20.6%+44.5%+9.4% +12.4%
3 years +38.5%+59.5%+5.5% +88.1%
3 years, per year +11.5%+16.9%+1.8% +23.5%
5 years -54.3%+32.8%-24.3% +68.2%
5 years, per year -14.5%+5.8%-5.4% +11.0%
10 years —+365.5%— +263.4%
10 years, per year —+16.6%— +13.8%

Risk

MeasureAMBPCSTMAMCRSPY
Volatility, 1Y 33.9%44.8%31.6% 12.7%
Downside volatility, 1Y 33.8%42.0%29.0% 12.7%
Beta vs S&P 500, 1Y 0.721.930.82 1.00
Return / volatility, 1Y 0.610.990.30 0.98
Max drawdown, 5Y -74.6%-66.3%-45.6% -25.4%
From 52-week high -16.0%-32.4%-9.7% -0.9%
52-week high $5.36$36.15$50.58 $779.14
52-week low $3.32$14.75$36.69 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleAMBPCSTMAMCR
P/E now vs peer median 46.4xmedian 19.1x 5.7xmedian 25.4x 19.1xmedian 19.1x
P/S now vs peer median 0.4xmedian 0.7x 0.3xmedian 1.9x 0.9xmedian 0.7x
EV/EBITDA now vs peer median 8.4xmedian 9.9x 3.2xmedian 14.3x 9.9xmedian 9.9x
P/FCF now vs peer median 4.4xmedian 15.5x 10.3xmedian 21.8x 17.2xmedian 15.5x
P/B now vs peer median -3.5xmedian 1.5x 2.5xmedian 2.2x 1.8xmedian 1.5x
PEG now vs peer median 0.67median 0.78 —median 1.41 -1.54median 0.78

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsAMBPCSTMAMCR
Revenue $6.26B $10.05B $23.51B
Gross profit $766.00M $1.61B $4.69B
Operating income $337.00M $1.20B $1.90B
Net income $147.00M $576.00M $1.11B
Free cash flow $612.00M $319.00M $1.23B
R&D – $53.00M $170.00M
EPS (diluted) $0.10 $4.13 $2.38
Cash & equivalents $213.00M $158.00M $1.12B
Total debt $17.45B $1.82B $14.01B
Shares (diluted) 597.70M 138.99M 463.80M
Enterprise value $1.63B $2.65B $17.18B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricAMBPCSTMAMCR
P/E 46.4x 5.7x 19.1x
P/FCF 4.4x 10.3x 17.2x
P/Operating cash flow 5.5x 5.2x 9.8x
P/S 0.4x 0.3x 0.9x
P/B -3.5x 2.5x 1.8x
P/Tangible book -3.5x 2.6x 4.1x
EV/EBITDA 8.4x 3.2x 9.9x
EV/EBIT 19.8x 4.1x 17.9x
EV/Revenue 1.1x 0.5x 1.4x
EV/FCF 10.9x 15.5x 27.7x
EV/Operating cash flow 13.6x 7.8x 15.8x
PEG (3Y EPS CAGR) 0.67 – -1.54

Growth

14 metrics
MetricAMBPCSTMAMCR
Revenue growth (1Y) 17.0% 26.1% 56.6%
Revenue CAGR (3Y) 9.6% – 17.0%
Gross profit growth (1Y) 12.2% 54.0% 65.5%
Gross profit CAGR (3Y) 12.9% – 19.8%
Operating income growth (1Y) 26.7% 82.1% 88.2%
Operating income CAGR (3Y) 25.1% – 8.0%
Net income growth (1Y) 167.3% 400.9% 113.5%
Net income CAGR (3Y) -9.0% – 1.5%
EPS growth (1Y) 480.0% 413.6% 48.7%
EPS CAGR (3Y) 69.4% – -12.4%
Operating cash flow growth (1Y) 5.8% 92.2% 54.7%
Operating cash flow CAGR (3Y) 2.3% – 19.5%
Free cash flow growth (1Y) 9.3% 897.5% 51.7%
Free cash flow CAGR (3Y) -6.8% – 18.7%

Profitability

14 metrics
MetricAMBPCSTMAMCR
Gross margin 12.2% 16.1% 20.0%
EBITDA margin 12.7% 15.3% 14.6%
Operating margin 5.4% 11.9% 8.1%
Pretax margin 0.8% 8.1% 5.5%
Net margin 0.9% 5.7% 4.7%
FCF margin 9.8% 3.2% 5.2%
Operating cash flow margin 7.9% 6.3% 9.2%
Return on equity – 44.4% 9.4%
Return on assets 0.6% 9.7% 3.0%
Return on invested capital 5.6% 26.9% 6.1%
Return on capital employed 8.8% 31.0% 6.4%
Asset turnover 1.1x 1.7x 0.6x
Cash conversion (OCF / net income) 3.4x 1.1x 1.9x
Stock comp / revenue – – 0.4%

Financial Health

11 metrics
MetricAMBPCSTMAMCR
Debt / assets 77.4% 31.0% 37.8%
Debt / equity -5.5x 1.4x 1.2x
Net debt / EBITDA 5.0x 1.1x 3.8x
Debt / FCF 6.9x 5.7x 11.4x
Liabilities / assets 114.0% 77.1% 68.2%
Equity / assets -14.0% 22.9% 31.8%
Interest coverage 1.3x 11.0x 2.8x
Current ratio 0.0x 1.5x 1.3x
Quick ratio 0.7x 0.6x 0.6x
Cash ratio 0.1x 0.1x 0.1x
Altman Z-score 0.97 3.22 1.38

Shareholder Returns

7 metrics
MetricAMBPCSTMAMCR
Dividend yield 8.9% – 11.4%
Net buyback yield – 3.6% 0.0%
Shareholder yield 8.9% 3.6% 11.4%
Payout ratio (earnings) – – 108.0%
Payout ratio (FCF) – – 97.2%
Dividend growth (1Y) – – 41.4%
Dividend CAGR (3Y) – – 18.2%

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusAMBPCSTMAMCR
Forward P/E 16.7xFY2026 5.8xFY2026 11.1xFY2027
EPS, next fiscal year $0.27FY2026 $4.18FY2026 $4.12FY2027
EPS growth, next FY +28.6%FY2026 +237.1%FY2026 +2.5%FY2027
EPS growth, the year after 0.0% -32.3% +9.2%
Revenue, next fiscal year $6.58BFY2026 $10.71BFY2026 $23.41BFY2027
Revenue growth, next FY +19.6%FY2026 +26.8%FY2026 -0.4%FY2027
Revenue growth, the year after -8.0% +1.3% -2.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMBPCSTMAMCR
Held by institutions 20.9% 88.6% 77.1%
Institutions holding 225 384 684
Change in shares held, QoQ +2.5% -4.5% +3.7%
Institutions buying 125 255 409
Institutions selling 63 108 211
Buyers to sellers 1.98 2.36 1.94

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

AMBPCSTMAMCR
AMBP 1.00 0.20 0.54
CSTM 0.20 1.00 0.23
AMCR 0.54 0.23 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMBP, CSTM and AMCR?

Amcor (AMCR) is the largest by market capitalisation: Ardagh Metal Packaging (AMBP) $2.70B, Constellium Se (CSTM) $3.24B, Amcor (AMCR) $21.76B.

Which stock is cheaper, AMBP, CSTM and AMCR?

Constellium Se (CSTM) trades on the lowest price-to-earnings ratio (Ardagh Metal Packaging (AMBP) 46.5x, Constellium Se (CSTM) 5.6x, Amcor (AMCR) 19.7x). On next year's consensus earnings, Constellium Se (CSTM) is cheapest (Ardagh Metal Packaging (AMBP) 16.7x, Constellium Se (CSTM) 5.8x, Amcor (AMCR) 11.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Amcor (AMCR) grew revenue fastest over the trailing twelve months: Ardagh Metal Packaging (AMBP) +17.0%, Constellium Se (CSTM) +26.1%, Amcor (AMCR) +56.6%.

Which company is more profitable?

Constellium Se (CSTM) has the highest net margin (Ardagh Metal Packaging (AMBP) 0.9%, Constellium Se (CSTM) 5.7%, Amcor (AMCR) 4.7%). On return on invested capital, Constellium Se (CSTM) leads (Ardagh Metal Packaging (AMBP) 5.6%, Constellium Se (CSTM) 26.9%, Amcor (AMCR) 6.1%).

Which stock has performed better?

Over the past year Constellium Se (CSTM) returned the most: Ardagh Metal Packaging (AMBP) +20.6%, Constellium Se (CSTM) +44.5%, Amcor (AMCR) +9.4%. Over five years, Constellium Se (CSTM) compounded fastest (Ardagh Metal Packaging (AMBP) -14.5%/yr, Constellium Se (CSTM) +5.8%/yr, Amcor (AMCR) -5.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Ardagh Metal Packaging (AMBP) 0.00%, Constellium Se (CSTM) 0.00%, Amcor (AMCR) 0.05%. Ardagh Metal Packaging (AMBP) and Constellium Se (CSTM) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Amcor (AMCR) has been the steadiest (Ardagh Metal Packaging (AMBP) 33.9%, Constellium Se (CSTM) 44.8%, Amcor (AMCR) 31.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AMBP, CSTM and AMCR?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Constellium Se (CSTM) leads on 8. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.