ACM vs BBCP vs STN Stock Comparison

Aecom, Concrete Pumping Holdings and Stantec Prices as of Oct 26, 2026 Peers: Industry group
ACM Aecom
$60.73 -0.3% 1M -54.3% 1Y
Market cap
$7.91B
P/E
27.5x
Revenue (TTM)
$15.39B
Div. yield
–
Engineering and Construction Industrials
1 win
STN Stantec Inc
$71.00 +2.9% 1M -36.7% 1Y
Market cap
$8.06B
P/E
12.4x
Revenue (TTM)
$10.51B
Div. yield
–
Engineering and Construction Industrials
8 wins

Head to Head

11 decided of 12

Stantec leads on 8 of the 12 questions below (Stantec 8, Concrete Pumping Holdings 2, Aecom 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionACMBBCPSTNLeader
Larger companyMarket capitalisation $7.91B $489.64M $8.06B STN
Cheaper on earningsLower P/E, profitable companies only 27.5x 33.2x 12.4x STN
Cheaper on forward earningsLower price / next fiscal year consensus EPS 14.5x 49.6x 15.4x ACM
Faster revenue growthRevenue growth, trailing twelve months -4.2% +10.2% +9.4% BBCP
More profitableNet margin, trailing twelve months 1.9% 3.4% 6.2% STN
Better return on capitalReturn on invested capital 9.9% 5.6% 37.8% STN
Less leveragedLower net debt / EBITDA 2.4x 3.1x 0.0x STN
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -54.3% +41.4% -36.7% BBCP
Better 5-year returnAnnualised price return, 5 years -1.9%/yr +1.6%/yr +5.4%/yr STN
Less volatileAnnualised volatility, 1 year 38.4% 47.1% 30.4% STN
Higher overall scoreMean of the five percentile scores vs peers 47/100 60/100 72/100 STN

Percentile Scorecard

ACMBBCPSTN

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

AxisACMBBCPSTN
Valuation 63 #20 of 52 88 #7 of 52 92 #5 of 52
Growth 11 #33 of 37 28 #27 of 37 36 #24 of 37
Profitability 44 #21 of 37 75 #10 of 37 89 #5 of 37
Financial Health 25 #43 of 57 36 #37 of 57 79 #13 of 57
Shareholder Returns 92 #3 of 27 73 #8 of 27 65 #10 of 27
Overall 47 60 72
  • ACM ranked among 57 companies in Construction Services
  • BBCP ranked among 57 companies in Construction Services
  • STN ranked among 57 companies in Construction Services

Price Performance

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

Returns

PeriodACMBBCPSTNSPY
1 month -0.3%-3.6%+2.9% -0.8%
3 months -14.4%-9.0%+0.5% +3.5%
6 months -25.9%+20.8%-21.9% +7.0%
Year to date -36.3%+40.4%-24.8% +12.2%
1 year -54.3%+41.4%-36.7% +13.0%
3 years -18.8%+41.0%+18.4% +86.3%
3 years, per year -6.7%+12.1%+5.8% +23.1%
5 years -9.3%+8.4%+29.8% +68.6%
5 years, per year -1.9%+1.6%+5.4% +11.0%
10 years +120.8%—+216.8% +258.0%
10 years, per year +8.2%—+12.2% +13.6%

Risk

MeasureACMBBCPSTNSPY
Volatility, 1Y 38.4%47.1%30.4% 12.7%
Downside volatility, 1Y 47.1%37.6%34.6% 12.7%
Beta vs S&P 500, 1Y 0.860.590.76 1.00
Return / volatility, 1Y -1.420.88-1.21 1.02
Max drawdown, 5Y -56.8%-49.7%-41.3% -25.4%
From 52-week high -54.8%-21.8%-37.6% -1.8%
52-week high $134.35$12.05$113.70 $779.14
52-week low $58.00$5.73$66.69 $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.

MultipleACMBBCPSTN
P/E now vs peer median 27.1xmedian 25.7x 32.2xmedian 25.7x 12.4xmedian 25.7x
P/S now vs peer median 0.5xmedian 0.8x 1.1xmedian 0.8x 0.8xmedian 0.8x
EV/EBITDA now vs peer median 13.4xmedian 12.9x 7.0xmedian 12.9x 5.1xmedian 12.9x
P/FCF now vs peer median 38.4xmedian 22.5x 22.5xmedian 22.5x 15.3xmedian 22.5x
P/B now vs peer median 3.3xmedian 2.3x 1.8xmedian 2.3x 3.4xmedian 2.3x
PEG now vs peer median 0.85median 0.56 -1.71median 0.56 0.60median 0.56

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 monthsACMBBCPSTN
Revenue $15.39B $436.03M $10.51B
Gross profit $874.05M $170.20M $4.58B
Operating income $631.20M $56.93M $1.23B
Net income $334.79M $16.50M $536.90M
Free cash flow $203.45M $21.12M $528.58M
EPS (diluted) $2.24 $0.29 $5.72
Cash & equivalents $1.01B $42.98M $265.54M
Total debt $2.75B $418.74M $2.38B
Shares (diluted) 128.60M 51.10M 114.07M
Enterprise value $3.03B $322.57M $6.99B

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
MetricACMBBCPSTN
P/E 27.1x 32.2x 12.4x
P/FCF 38.4x 22.5x 15.3x
P/Operating cash flow 21.4x 5.8x 17.3x
P/S 0.5x 1.1x 0.8x
P/B 3.3x 1.8x 3.4x
P/Tangible book 3.5x 2.7x 4.0x
EV/EBITDA 13.4x 7.0x 5.1x
EV/EBIT 15.1x 14.9x 6.5x
EV/Revenue 0.6x 2.0x 0.8x
EV/FCF 46.9x 40.3x 15.2x
EV/Operating cash flow 26.1x 10.3x 17.2x
PEG (3Y EPS CAGR) 0.85 -1.71 0.60

Growth

14 metrics
MetricACMBBCPSTN
Revenue growth (1Y) -4.2% 10.2% 9.4%
Revenue CAGR (3Y) 3.3% -0.1% 10.4%
Gross profit growth (1Y) -25.9% 10.5% 10.5%
Gross profit CAGR (3Y) -1.4% -1.5% 11.2%
Operating income growth (1Y) -38.5% 29.7% 20.5%
Operating income CAGR (3Y) 13.8% -2.0% 16.5%
Net income growth (1Y) -50.9% 57.3% 24.6%
Net income CAGR (3Y) 24.6% -18.9% 15.4%
EPS growth (1Y) -51.4% 63.2% 24.6%
EPS CAGR (3Y) 31.9% -18.8% 20.6%
Operating cash flow growth (1Y) -60.5% 14.0% -13.0%
Operating cash flow CAGR (3Y) -20.5% -2.6% 15.5%
Free cash flow growth (1Y) -75.3% -33.4% -10.2%
Free cash flow CAGR (3Y) -29.3% 78.7% 24.6%

Profitability

14 metrics
MetricACMBBCPSTN
Gross margin 5.7% 39.0% 43.6%
EBITDA margin 4.6% 27.9% 14.9%
Operating margin 4.1% 13.1% 11.7%
Pretax margin 3.4% 5.6% 11.3%
Net margin 1.9% 3.4% 6.2%
FCF margin 1.3% 4.8% 5.0%
Operating cash flow margin 2.4% 18.9% 4.4%
Return on equity 13.9% 6.2% 36.3%
Return on assets 2.8% 1.8% 15.1%
Return on invested capital 9.9% 5.6% 37.8%
Return on capital employed 10.5% 6.9% 28.3%
Asset turnover 1.3x 0.5x 1.8x
Cash conversion (OCF / net income) 1.1x 5.0x 0.9x
Stock comp / revenue 0.3% 0.8% 0.3%

Financial Health

11 metrics
MetricACMBBCPSTN
Debt / assets 22.8% 46.1% 3.9%
Debt / equity 1.1x 1.6x 0.1x
Net debt / EBITDA 2.4x 3.1x 0.0x
Debt / FCF 13.5x 19.8x 0.4x
Liabilities / assets 80.0% 70.5% 58.6%
Equity / assets 20.0% 29.5% 41.4%
Interest coverage 3.1x 1.7x 9.6x
Current ratio 1.1x 1.7x 1.5x
Quick ratio 0.9x 1.4x 1.0x
Cash ratio 0.2x 0.6x 0.2x
Altman Z-score 1.79 1.08 –

Shareholder Returns

7 metrics
MetricACMBBCPSTN
Dividend yield 2.0% 1.4% 1.3%
Net buyback yield 8.2% 2.5% –
Shareholder yield 10.3% 3.8% 1.3%
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.

ConsensusACMBBCPSTN
Forward P/E 14.5xFY2026 49.6xFY2026 15.4xFY2026
EPS, next fiscal year $4.19FY2026 $0.19FY2026 $4.62FY2026
EPS growth, next FY -20.3%FY2026 +111.1%FY2026 +19.7%FY2026
EPS growth, the year after +54.7% +63.2% +2.6%
Revenue, next fiscal year $7.04BFY2026 $411.25MFY2026 $4.75BFY2026
Revenue growth, next FY -7.0%FY2026 +4.7%FY2026 +0.4%FY2026
Revenue growth, the year after +8.8% +6.4% +7.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersACMBBCPSTN
Held by institutions 92.6% 33.9% 62.0%
Institutions holding 572 127 293
Change in shares held, QoQ +5.5% +5.2% +2.8%
Institutions buying 270 76 162
Institutions selling 232 31 87
Buyers to sellers 1.16 2.45 1.86

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.

ACMBBCPSTN
ACM 1.00 0.13 0.52
BBCP 0.13 1.00 0.20
STN 0.52 0.20 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ACM, BBCP and STN?

Stantec (STN) is the largest by market capitalisation: Aecom (ACM) $7.91B, Concrete Pumping Holdings (BBCP) $489.64M, Stantec (STN) $8.06B.

Which stock is cheaper, ACM, BBCP and STN?

Stantec (STN) trades on the lowest price-to-earnings ratio (Aecom (ACM) 27.5x, Concrete Pumping Holdings (BBCP) 33.2x, Stantec (STN) 12.4x). On next year's consensus earnings, Aecom (ACM) is cheapest (Aecom (ACM) 14.5x, Concrete Pumping Holdings (BBCP) 49.6x, Stantec (STN) 15.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Concrete Pumping Holdings (BBCP) grew revenue fastest over the trailing twelve months: Aecom (ACM) -4.2%, Concrete Pumping Holdings (BBCP) +10.2%, Stantec (STN) +9.4%.

Which company is more profitable?

Stantec (STN) has the highest net margin (Aecom (ACM) 1.9%, Concrete Pumping Holdings (BBCP) 3.4%, Stantec (STN) 6.2%). On return on invested capital, Stantec (STN) leads (Aecom (ACM) 9.9%, Concrete Pumping Holdings (BBCP) 5.6%, Stantec (STN) 37.8%).

Which stock has performed better?

Over the past year Concrete Pumping Holdings (BBCP) returned the most: Aecom (ACM) -54.3%, Concrete Pumping Holdings (BBCP) +41.4%, Stantec (STN) -36.7%. Over five years, Stantec (STN) compounded fastest (Aecom (ACM) -1.9%/yr, Concrete Pumping Holdings (BBCP) +1.6%/yr, Stantec (STN) +5.4%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Stantec (STN) has been the steadiest (Aecom (ACM) 38.4%, Concrete Pumping Holdings (BBCP) 47.1%, Stantec (STN) 30.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ACM, BBCP and STN?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Stantec (STN) 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.