ACM vs BBUC vs NRGV Stock Comparison

Aecom, Brookfield Business and Energy Vault Holdings Prices as of Oct 27, 2026 Peers: Industry group
ACM Aecom
$61.52 +1.0% 1M -53.6% 1Y
Market cap
$8.00B
P/E
27.8x
Revenue (TTM)
$15.39B
Div. yield
–
Engineering and Construction Industrials
4 wins
BBUC Brookfield Business Corp
$27.85 +9.5% 1M -23.6% 1Y
Market cap
$2.40B
P/E
–
Revenue (TTM)
$26.95B
Div. yield
0.04%
Engineering and Construction Industrials
3 wins

Head to Head

10 decided of 12

Aecom leads on 4 of the 12 questions below (Aecom 4, Brookfield Business 3, Energy Vault Holdings 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionACMBBUCNRGVLeader
Larger companyMarket capitalisation $8.00B $2.40B $572.60M ACM
Cheaper on earningsLower P/E, profitable companies only 27.8x -29.6x -5.2x –
Cheaper on forward earningsLower price / next fiscal year consensus EPS 14.7x 3.1x — BBUC
Faster revenue growthRevenue growth, trailing twelve months -4.2% -10.5% +336.8% NRGV
More profitableNet margin, trailing twelve months 1.9% -0.3% -48.6% ACM
Better return on capitalReturn on invested capital 9.9% — -32.8% ACM
Less leveragedLower net debt / EBITDA 2.4x 5.4x -2.2x NRGV
Higher dividend yieldTrailing dividend yield 0.00% 0.04% 0.00% –
Better 1-year returnPrice return, last 12 months -53.6% -23.6% -7.2% NRGV
Better 5-year returnAnnualised price return, 5 years -2.3%/yr — -21.5%/yr ACM
Less volatileAnnualised volatility, 1 year 38.3% 36.3% 103.1% BBUC
Higher overall scoreMean of the five percentile scores vs peers 49/100 60/100 33/100 BBUC

Percentile Scorecard

ACMBBUCNRGV

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

AxisACMBBUCNRGV
Valuation 67 #18 of 52 98 #2 of 52 27 #45 of 61
Growth 11 #33 of 37 22 #29 of 37 54 #27 of 58
Profitability 44 #21 of 37 78 #9 of 37 39 #34 of 55
Financial Health 29 #41 of 57 18 #47 of 57 16 #60 of 71
Shareholder Returns 92 #3 of 27 85 #5 of 27 31 #21 of 30
Overall 49 60 33
  • ACM ranked among 57 companies in Construction Services
  • BBUC ranked among 57 companies in Construction Services
  • NRGV ranked among 71 companies in Clean Energy Equipment

Price Performance

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

Returns

PeriodACMBBUCNRGVSPY
1 month +1.0%+9.5%-32.4% -0.2%
3 months -17.4%-12.3%+7.6% +3.9%
6 months -24.1%-16.7%-29.0% +8.2%
Year to date -35.5%-22.4%-35.4% +12.9%
1 year -53.6%-23.6%-7.2% +12.3%
3 years -17.8%+96.7%+56.0% +87.4%
3 years, per year -6.3%+25.3%+16.0% +23.3%
5 years -10.8%—-70.1% +67.9%
5 years, per year -2.3%—-21.5% +10.9%
10 years +124.8%—— +261.1%
10 years, per year +8.4%—— +13.7%

Risk

MeasureACMBBUCNRGVSPY
Volatility, 1Y 38.3%36.3%103.1% 12.7%
Downside volatility, 1Y 47.1%39.7%107.6% 12.7%
Beta vs S&P 500, 1Y 0.870.983.29 1.00
Return / volatility, 1Y -1.40-0.65-0.07 0.97
Max drawdown, 5Y -56.8%-61.5%-97.1% -25.4%
From 52-week high -54.2%-26.0%-54.1% -1.2%
52-week high $134.35$37.64$6.49 $779.14
52-week low $58.00$25.06$2.51 $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.

MultipleACMBBUCNRGV
P/E now vs peer median 27.5xmedian 26.7x -29.7xmedian 26.7x -4.8xmedian 27.2x
P/S now vs peer median 0.5xmedian 0.8x 0.1xmedian 0.8x 2.4xmedian 2.4x
EV/EBITDA now vs peer median 13.5xmedian 13.1x 5.8xmedian 13.1x -10.2xmedian 18.4x
P/FCF now vs peer median 38.9xmedian 23.0x 0.9xmedian 23.0x -3.7xmedian 28.6x
P/B now vs peer median 3.3xmedian 2.4x 0.2xmedian 2.4x 78.2xmedian 1.7x
PEG now vs peer median 0.86median 0.57 —median 0.57 -0.69median 0.79

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 monthsACMBBUCNRGV
Revenue $15.39B $26.95B $225.87M
Gross profit $874.05M $5.31B $50.76M
Operating income $631.20M $4.15B -$74.19M
Net income $334.79M $305.00M -$109.74M
Free cash flow $203.45M $2.70B -$144.74M
R&D – – $11.87M
EPS (diluted) $2.24 – $-0.62
Cash & equivalents $1.01B $3.45B $93.04M
Total debt $2.75B $43.93B $243.01M
Shares (diluted) 128.60M – 178.39M
Enterprise value $3.12B -$17.82B $333.36M

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
MetricACMBBUCNRGV
P/E 27.5x -29.7x -4.8x
P/FCF 38.9x 0.9x -3.7x
P/Operating cash flow 21.7x 0.9x -5.2x
P/S 0.5x 0.1x 2.4x
P/B 3.3x 0.2x 78.2x
P/Tangible book 3.6x -1.0x -1,586x
EV/EBITDA 13.5x 5.8x -10.2x
EV/EBIT 15.3x 10.0x -9.2x
EV/Revenue 0.6x 1.5x 3.0x
EV/FCF 47.4x 15.4x -4.7x
EV/Operating cash flow 26.4x 15.4x -6.7x
PEG (3Y EPS CAGR) 0.86 – -0.69

Growth

14 metrics
MetricACMBBUCNRGV
Revenue growth (1Y) -4.2% -10.5% 336.8%
Revenue CAGR (3Y) 3.3% -13.2% 13.8%
Gross profit growth (1Y) -25.9% -13.8% 385.2%
Gross profit CAGR (3Y) -1.4% 5.2% 31.4%
Operating income growth (1Y) -38.5% -15.9% 41.4%
Operating income CAGR (3Y) 13.8% 9.9% 15.6%
Net income growth (1Y) -50.9% -70.0% 24.1%
Net income CAGR (3Y) 24.6% -3.3% -0.1%
EPS growth (1Y) -51.4% – 33.2%
EPS CAGR (3Y) 31.9% – 7.1%
Operating cash flow growth (1Y) -60.5% -34.9% -227.0%
Operating cash flow CAGR (3Y) -20.5% 54.1% -5.1%
Free cash flow growth (1Y) -75.3% -34.9% -71.5%
Free cash flow CAGR (3Y) -29.3% 51.7% -9.9%

Profitability

14 metrics
MetricACMBBUCNRGV
Gross margin 5.7% 19.7% 22.5%
EBITDA margin 4.6% 26.8% -29.8%
Operating margin 4.1% 15.4% -32.8%
Pretax margin 3.4% 1.4% -45.9%
Net margin 1.9% -0.3% -48.6%
FCF margin 1.3% 10.0% -64.1%
Operating cash flow margin 2.4% 10.0% -45.4%
Return on equity 13.9% – -588.1%
Return on assets 2.8% 0.4% -32.8%
Return on invested capital 9.9% – -32.8%
Return on capital employed 10.5% 6.4% -40.7%
Asset turnover 1.3x 0.3x 0.7x
Cash conversion (OCF / net income) 1.1x 8.9x 0.9x
Stock comp / revenue 0.3% – 13.2%

Financial Health

11 metrics
MetricACMBBUCNRGV
Debt / assets 22.8% 55.7% 65.6%
Debt / equity 1.1x 2.8x 35.4x
Net debt / EBITDA 2.4x 5.4x -2.2x
Debt / FCF 13.5x 16.2x -1.7x
Liabilities / assets 80.0% 80.4% 98.1%
Equity / assets 20.0% 19.6% 1.9%
Interest coverage 3.1x – -5.5x
Current ratio 1.1x 1.4x 1.2x
Quick ratio 0.9x 0.9x 0.8x
Cash ratio 0.2x 0.4x 0.6x
Altman Z-score 1.79 – -1.15

Shareholder Returns

7 metrics
MetricACMBBUCNRGV
Dividend yield 2.0% 2.9% –
Net buyback yield 8.1% – -2.1%
Shareholder yield 10.1% 2.9% -2.1%
Payout ratio (earnings) – 31.1% –
Payout ratio (FCF) – 3.5% –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – -2.3% –

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.

ConsensusACMBBUCNRGV
Forward P/E 14.7xFY2026 3.1xFY2026 –
EPS, next fiscal year $4.19FY2026 $8.99FY2026 $-0.37FY2026
EPS growth, next FY -20.3%FY2026 +54.5%FY2026 –
EPS growth, the year after +54.7% +9.0% –
Revenue, next fiscal year $7.04BFY2026 $5.12BFY2026 $309.42MFY2026
Revenue growth, next FY -7.0%FY2026 -51.8%FY2026 +51.9%FY2026
Revenue growth, the year after +8.8% -100.0% +54.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersACMBBUCNRGV
Held by institutions 92.6% 55.0% 58.6%
Institutions holding 572 149 174
Change in shares held, QoQ +5.5% +13.6% +31.6%
Institutions buying 270 93 120
Institutions selling 232 33 30
Buyers to sellers 1.16 2.82 4.00

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.

ACMBBUCNRGV
ACM 1.00 0.22 0.12
BBUC 0.22 1.00 0.12
NRGV 0.12 0.12 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ACM, BBUC and NRGV?

Aecom (ACM) is the largest by market capitalisation: Aecom (ACM) $8.00B, Brookfield Business (BBUC) $2.40B, Energy Vault Holdings (NRGV) $572.60M.

Which company is growing faster?

Energy Vault Holdings (NRGV) grew revenue fastest over the trailing twelve months: Aecom (ACM) -4.2%, Brookfield Business (BBUC) -10.5%, Energy Vault Holdings (NRGV) +336.8%.

Which company is more profitable?

Aecom (ACM) has the highest net margin (Aecom (ACM) 1.9%, Brookfield Business (BBUC) -0.3%, Energy Vault Holdings (NRGV) -48.6%). On return on invested capital, Aecom (ACM) leads (Aecom (ACM) 9.9%, Energy Vault Holdings (NRGV) -32.8%).

Which stock has performed better?

Over the past year Energy Vault Holdings (NRGV) returned the most: Aecom (ACM) -53.6%, Brookfield Business (BBUC) -23.6%, Energy Vault Holdings (NRGV) -7.2%. Over five years, Aecom (ACM) compounded fastest (Aecom (ACM) -2.3%/yr, Energy Vault Holdings (NRGV) -21.5%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Aecom (ACM) 0.00%, Brookfield Business (BBUC) 0.04%, Energy Vault Holdings (NRGV) 0.00%. Aecom (ACM) and Energy Vault Holdings (NRGV) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Brookfield Business (BBUC) has been the steadiest (Aecom (ACM) 38.3%, Brookfield Business (BBUC) 36.3%, Energy Vault Holdings (NRGV) 103.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ACM, BBUC and NRGV?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Aecom (ACM) leads on 4. 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.