AMBP vs CSTM vs SON Stock Comparison

Ardagh Metal Packaging, Constellium Se and Sonoco Products Prices as of Oct 27, 2026 Peers: Industry group
CSTM Constellium Se
$24.54 -1.5% 1M +45.6% 1Y
Market cap
$3.33B
P/E
6.1x
Revenue (TTM)
$9.58B
Div. yield
–
Metal Fabrication Industrials
9 wins
SON Sonoco Products Co
$49.30 -1.5% 1M +24.9% 1Y
Market cap
$4.87B
P/E
–
Revenue (TTM)
$7.37B
Div. yield
4.34%
Paper Packaging Basic Materials
2 wins

Head to Head

12 decided of 12

Constellium Se leads on 9 of the 12 questions below (Constellium Se 9, Sonoco Products 2, Ardagh Metal Packaging 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMBPCSTMSONLeader
Larger companyMarket capitalisation $2.71B $3.33B $4.87B SON
Cheaper on earningsLower P/E, profitable companies only 46.7x 6.1x -21.6x CSTM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 16.8x 5.9x 9.7x CSTM
Faster revenue growthRevenue growth, trailing twelve months +17.0% +25.9% +3.6% CSTM
More profitableNet margin, trailing twelve months 0.9% 5.7% — CSTM
Better return on capitalReturn on invested capital 5.6% 25.6% — CSTM
Less leveragedLower net debt / EBITDA 5.0x 1.2x — CSTM
Higher dividend yieldTrailing dividend yield 8.83% — 4.34% AMBP
Better 1-year returnPrice return, last 12 months +20.2% +45.6% +24.9% CSTM
Better 5-year returnAnnualised price return, 5 years -14.4%/yr +5.2%/yr -3.3%/yr CSTM
Less volatileAnnualised volatility, 1 year 33.9% 44.8% 33.6% SON
Higher overall scoreMean of the five percentile scores vs peers 69/100 74/100 43/100 CSTM

Percentile Scorecard

AMBPCSTMSON

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

AxisAMBPCSTMSON
Valuation 87 #3 of 16 97 #8 of 203 60 #7 of 16
Growth 87 #3 of 16 97 #6 of 188 20 #13 of 16
Profitability 64 #6 of 15 65 #64 of 183 43 #9 of 15
Financial Health 8 #13 of 14 19 #176 of 217 23 #11 of 14
Shareholder Returns 100 #1 of 13 90 #16 of 153 67 #5 of 13
Overall 69 74 43
  • AMBP ranked among 17 companies in Packaging
  • CSTM ranked among 222 companies in Machinery
  • SON ranked among 17 companies in Packaging

Price Performance

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

Returns

PeriodAMBPCSTMSONSPY
1 month +3.4%-1.5%-1.5% -0.2%
3 months -13.4%-15.6%-18.6% +3.9%
6 months +16.2%-21.0%-1.2% +8.2%
Year to date +10.5%+30.2%+13.0% +12.9%
1 year +20.2%+45.6%+24.9% +12.3%
3 years +39.4%+60.2%-2.6% +87.4%
3 years, per year +11.7%+17.0%-0.9% +23.3%
5 years -54.1%+28.8%-15.6% +67.9%
5 years, per year -14.4%+5.2%-3.3% +10.9%
10 years —+371.9%-1.7% +261.1%
10 years, per year —+16.8%-0.2% +13.7%

Risk

MeasureAMBPCSTMSONSPY
Volatility, 1Y 33.9%44.8%33.6% 12.7%
Downside volatility, 1Y 33.8%42.1%36.4% 12.7%
Beta vs S&P 500, 1Y 0.721.940.41 1.00
Return / volatility, 1Y 0.591.020.74 0.97
Max drawdown, 5Y -74.6%-66.3%-41.2% -25.4%
From 52-week high -15.5%-32.1%-18.6% -1.2%
52-week high $5.36$36.15$60.55 $779.14
52-week low $3.32$14.75$39.27 $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.

MultipleAMBPCSTMSON
P/E now vs peer median 46.7xmedian 19.3x 6.1xmedian 25.2x -21.6xmedian 19.3x
P/S now vs peer median 0.4xmedian 0.7x 0.3xmedian 1.9x 0.7xmedian 0.7x
EV/EBITDA now vs peer median 8.4xmedian 9.4x 3.4xmedian 14.0x —median 9.4x
P/FCF now vs peer median 4.4xmedian 15.6x 15.3xmedian 21.7x 13.9xmedian 15.6x
P/B now vs peer median -3.6xmedian 1.4x 2.7xmedian 2.3x 1.7xmedian 1.4x
PEG now vs peer median 0.67median 0.82 0.07median 1.32 0.62median 0.82

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 monthsAMBPCSTMSON
Revenue $6.26B $9.58B $7.37B
Gross profit $766.00M $1.56B $1.49B
Operating income $337.00M $1.14B $202.22M
Net income $147.00M $545.00M -$226.60M
Free cash flow $612.00M $218.00M –
R&D – $53.00M –
EPS (diluted) $0.10 $3.89 $-2.28
Cash & equivalents $213.00M $163.00M $183.10M
Total debt $17.45B $1.92B –
Shares (diluted) 597.70M 140.15M 99.78M
Enterprise value $1.65B $2.79B $4.87B

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
MetricAMBPCSTMSON
P/E 46.7x 6.1x -21.6x
P/FCF 4.4x 15.3x 13.9x
P/Operating cash flow 5.5x 6.0x 7.7x
P/S 0.4x 0.3x 0.7x
P/B -3.6x 2.7x 1.7x
P/Tangible book -3.6x 2.8x 14.6x
EV/EBITDA 8.4x 3.4x –
EV/EBIT 19.9x 4.4x –
EV/Revenue 1.1x 0.5x 0.7x
EV/FCF 10.9x 23.3x –
EV/Operating cash flow 13.6x 9.2x 7.7x
PEG (3Y EPS CAGR) 0.67 0.07 0.62

Growth

14 metrics
MetricAMBPCSTMSON
Revenue growth (1Y) 17.0% 25.9% 3.6%
Revenue CAGR (3Y) 9.6% 6.3% 18.9%
Gross profit growth (1Y) 12.2% 66.2% -1.3%
Gross profit CAGR (3Y) 12.9% 21.4% 13.7%
Operating income growth (1Y) 26.7% 101.1% -63.5%
Operating income CAGR (3Y) 25.1% 27.0% -30.2%
Net income growth (1Y) 167.3% 1,457% -136.1%
Net income CAGR (3Y) -9.0% 19.3% -35.0%
EPS growth (1Y) 480.0% 1,629% -136.2%
EPS CAGR (3Y) 69.4% 85.0% -35.0%
Operating cash flow growth (1Y) 5.8% 84.9% -6.3%
Operating cash flow CAGR (3Y) 2.3% – -7.8%
Free cash flow growth (1Y) 9.3% 311.7% –
Free cash flow CAGR (3Y) -6.8% – –

Profitability

14 metrics
MetricAMBPCSTMSON
Gross margin 12.2% 16.3% –
EBITDA margin 12.7% 15.5% –
Operating margin 5.4% 11.9% –
Pretax margin 0.8% 8.1% –
Net margin 0.9% 5.7% –
FCF margin 9.8% 2.3% –
Operating cash flow margin 7.9% 5.8% 8.6%
Return on equity – 45.7% -7.1%
Return on assets 0.6% 9.1% -2.1%
Return on invested capital 5.6% 25.6% –
Return on capital employed 8.8% 31.2% –
Asset turnover 1.1x 1.6x 0.7x
Cash conversion (OCF / net income) 3.4x 1.0x -2.8x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricAMBPCSTMSON
Debt / assets 77.4% 31.7% –
Debt / equity -5.5x 1.5x –
Net debt / EBITDA 5.0x 1.2x –
Debt / FCF 6.9x 8.8x –
Liabilities / assets 114.0% 79.3% 72.2%
Equity / assets -14.0% 20.7% 27.8%
Interest coverage 1.3x 10.5x –
Current ratio 0.0x 1.4x 1.2x
Quick ratio 0.7x 0.6x –
Cash ratio 0.1x 0.1x –
Altman Z-score 0.98 2.96 –

Shareholder Returns

7 metrics
MetricAMBPCSTMSON
Dividend yield 8.8% – 4.3%
Net buyback yield – 3.4% –
Shareholder yield 8.8% 3.4% 4.3%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

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.

ConsensusAMBPCSTMSON
Forward P/E 16.8xFY2026 5.9xFY2026 9.7xFY2026
EPS, next fiscal year $0.27FY2026 $4.18FY2026 $5.09FY2026
EPS growth, next FY +28.6%FY2026 +237.1%FY2026 -10.9%FY2026
EPS growth, the year after 0.0% -32.3% +17.5%
Revenue, next fiscal year $6.58BFY2026 $10.71BFY2026 $7.65BFY2026
Revenue growth, next FY +19.6%FY2026 +26.8%FY2026 +1.7%FY2026
Revenue growth, the year after -8.0% +1.3% -5.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMBPCSTMSON
Held by institutions 20.9% 88.6% 97.9%
Institutions holding 225 384 507
Change in shares held, QoQ +2.5% -4.5% +13.2%
Institutions buying 125 255 264
Institutions selling 63 108 160
Buyers to sellers 1.98 2.36 1.65

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.

AMBPCSTMSON
AMBP 1.00 0.20 0.44
CSTM 0.20 1.00 0.13
SON 0.44 0.13 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMBP, CSTM and SON?

Sonoco Products (SON) is the largest by market capitalisation: Ardagh Metal Packaging (AMBP) $2.71B, Constellium Se (CSTM) $3.33B, Sonoco Products (SON) $4.87B.

Which stock is cheaper, AMBP, CSTM and SON?

Constellium Se (CSTM) trades on the lowest price-to-earnings ratio (Ardagh Metal Packaging (AMBP) 46.7x, Constellium Se (CSTM) 6.1x, Sonoco Products (SON) -21.6x). On next year's consensus earnings, Constellium Se (CSTM) is cheapest (Ardagh Metal Packaging (AMBP) 16.8x, Constellium Se (CSTM) 5.9x, Sonoco Products (SON) 9.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Constellium Se (CSTM) grew revenue fastest over the trailing twelve months: Ardagh Metal Packaging (AMBP) +17.0%, Constellium Se (CSTM) +25.9%, Sonoco Products (SON) +3.6%.

Which company is more profitable?

Constellium Se (CSTM) has the highest net margin (Ardagh Metal Packaging (AMBP) 0.9%, Constellium Se (CSTM) 5.7%). On return on invested capital, Constellium Se (CSTM) leads (Ardagh Metal Packaging (AMBP) 5.6%, Constellium Se (CSTM) 25.6%).

Which stock has performed better?

Over the past year Constellium Se (CSTM) returned the most: Ardagh Metal Packaging (AMBP) +20.2%, Constellium Se (CSTM) +45.6%, Sonoco Products (SON) +24.9%. Over five years, Constellium Se (CSTM) compounded fastest (Ardagh Metal Packaging (AMBP) -14.4%/yr, Constellium Se (CSTM) +5.2%/yr, Sonoco Products (SON) -3.3%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Ardagh Metal Packaging (AMBP) has the highest dividend yield: Ardagh Metal Packaging (AMBP) 8.83%, Sonoco Products (SON) 4.34%. Constellium Se (CSTM) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Sonoco Products (SON) has been the steadiest (Ardagh Metal Packaging (AMBP) 33.9%, Constellium Se (CSTM) 44.8%, Sonoco Products (SON) 33.6%). Volatility measures how widely the price swings, not the risk of the business.

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

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 9. 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.