AMTM vs BWXT vs MIR Stock Comparison

Amentum Holdings, BWX Technologies and Mirion Technologies Prices as of Oct 23, 2026 Peers: Industry group
BWXT BWX Technologies, Inc.
$127.14 -10.4% 1M -36.4% 1Y
Market cap
$12.03B
P/E
33.9x
Revenue (TTM)
$3.51B
Div. yield
0.01%
Nuclear Equipment Industrials
6 wins
MIR Mirion Technologies, Inc.
$14.82 -9.5% 1M -38.4% 1Y
Market cap
$3.65B
P/E
148.8x
Revenue (TTM)
$1.02B
Div. yield
–
Nuclear Equipment Industrials
2 wins

Head to Head

11 decided of 12

BWX Technologies leads on 6 of the 12 questions below (BWX Technologies 6, Amentum Holdings 3, Mirion Technologies 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMTMBWXTMIRLeader
Larger companyMarket capitalisation $5.37B $12.03B $3.65B BWXT
Cheaper on earningsLower P/E, profitable companies only 26.3x 33.9x 148.8x AMTM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 8.6x 28.3x 28.5x AMTM
Faster revenue growthRevenue growth, trailing twelve months +11.4% +22.7% +15.7% BWXT
More profitableNet margin, trailing twelve months 1.4% 10.1% 2.4% BWXT
Better return on capitalReturn on invested capital 5.1% 10.6% 2.0% BWXT
Less leveragedLower net debt / EBITDA 3.2x 2.6x 0.1x MIR
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.00% –
Better 1-year returnPrice return, last 12 months -6.1% -36.4% -38.4% AMTM
Better 5-year returnAnnualised price return, 5 years — +17.0%/yr +6.6%/yr BWXT
Less volatileAnnualised volatility, 1 year 46.4% 44.9% 53.8% BWXT
Higher overall scoreMean of the five percentile scores vs peers 69/100 63/100 82/100 MIR

Percentile Scorecard

AMTMBWXTMIR

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

AxisAMTMBWXTMIR
Valuation 100 #1 of 100 60 #25 of 61 72 #18 of 61
Growth 95 #6 of 97 61 #23 of 58 93 #5 of 58
Profitability 58 #41 of 96 89 #7 of 55 83 #10 of 55
Financial Health 25 #80 of 106 41 #42 of 71 73 #20 of 71
Shareholder Returns – – 87 #5 of 31
Overall 69 63 82
  • AMTM ranked among 107 companies in Aerospace and Defense
  • BWXT ranked among 71 companies in Clean Energy Equipment
  • MIR 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

PeriodAMTMBWXTMIRSPY
1 month +10.2%-10.4%-9.5% -1.0%
3 months -3.6%-27.2%-10.5% +2.9%
6 months -15.9%-43.0%-24.8% +6.4%
Year to date -25.0%-26.4%-36.7% +11.4%
1 year -6.1%-36.4%-38.4% +13.1%
3 years —+68.9%+110.8% +79.4%
3 years, per year —+19.1%+28.2% +21.5%
5 years —+118.8%+37.3% +67.7%
5 years, per year —+17.0%+6.6% +10.9%
10 years —+228.0%— +255.2%
10 years, per year —+12.6%— +13.5%

Risk

MeasureAMTMBWXTMIRSPY
Volatility, 1Y 46.4%44.9%53.8% 12.7%
Downside volatility, 1Y 43.6%46.5%57.3% 12.7%
Beta vs S&P 500, 1Y 1.091.932.13 1.00
Return / volatility, 1Y -0.13-0.81-0.71 1.03
Max drawdown, 5Y -51.7%-46.7%-52.5% -25.4%
From 52-week high -42.1%-46.7%-50.2% -2.5%
52-week high $37.53$238.42$29.75 $779.14
52-week low $18.12$127.14$14.12 $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.

MultipleAMTMBWXTMIR
P/E now vs peer median 26.0xmedian 26.2x 32.8xmedian 24.1x 147.9xmedian 24.1x
P/S now vs peer median 0.4xmedian 2.9x 3.3xmedian 2.2x 3.5xmedian 2.2x
EV/EBITDA now vs peer median 8.4xmedian 14.7x 24.0xmedian 17.4x 17.4xmedian 17.4x
P/FCF now vs peer median 11.2xmedian 24.9x 36.8xmedian 27.4x 27.1xmedian 27.4x
P/B now vs peer median 1.1xmedian 2.4x 8.7xmedian 1.8x 1.9xmedian 1.8x
PEG now vs peer median —median 0.92 1.99median 0.76 5.41median 0.76

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 monthsAMTMBWXTMIR
Revenue $14.13B $3.51B $1.02B
Gross profit $1.45B $775.94M $492.20M
Operating income $596.00M $426.23M $54.50M
Net income $204.00M $355.38M $25.60M
Free cash flow $474.00M $316.76M $133.70M
R&D – $15.56M $39.90M
EPS (diluted) $0.83 $3.86 $0.09
Cash & equivalents $459.00M $608.20M $418.70M
Total debt $3.83B $7.08B $445.30M
Shares (diluted) 245.00M 92.01M 275.07M
Enterprise value $3.80B $10.33B $1.48B

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
MetricAMTMBWXTMIR
P/E 26.0x 32.8x 147.9x
P/FCF 11.2x 36.8x 27.1x
P/Operating cash flow 10.5x 22.4x 21.0x
P/S 0.4x 3.3x 3.5x
P/B 1.1x 8.7x 1.9x
P/Tangible book 1.7x 11.4x 2.7x
EV/EBITDA 8.4x 24.0x 17.4x
EV/EBIT 14.6x 30.6x 67.0x
EV/Revenue 0.6x 3.7x 3.6x
EV/FCF 18.3x 41.2x 27.3x
EV/Operating cash flow 17.2x 25.2x 21.1x
PEG (3Y EPS CAGR) – 1.99 5.41

Growth

14 metrics
MetricAMTMBWXTMIR
Revenue growth (1Y) 11.4% 22.7% 15.7%
Revenue CAGR (3Y) – 14.7% 10.6%
Gross profit growth (1Y) 11.9% 11.7% 18.9%
Gross profit CAGR (3Y) – 11.3% 13.8%
Operating income growth (1Y) 60.2% 9.9% 18.5%
Operating income CAGR (3Y) – 6.2% 31.1%
Net income growth (1Y) 240.0% 20.7% 137.0%
Net income CAGR (3Y) – 16.6% 27.9%
EPS growth (1Y) 289.1% 20.3% 116.5%
EPS CAGR (3Y) – 16.5% 27.4%
Operating cash flow growth (1Y) 215.6% 0.0% 37.2%
Operating cash flow CAGR (3Y) – 29.3% 121.9%
Free cash flow growth (1Y) 243.5% -12.1% 59.7%
Free cash flow CAGR (3Y) – 67.6% 108.6%

Profitability

14 metrics
MetricAMTMBWXTMIR
Gross margin 10.2% 22.1% 48.0%
EBITDA margin 7.3% 15.5% 20.5%
Operating margin 4.2% 12.1% 5.3%
Pretax margin 1.9% 12.2% 3.0%
Net margin 1.4% 10.1% 2.4%
FCF margin 3.4% 9.0% 13.0%
Operating cash flow margin 3.6% 14.8% 16.9%
Return on equity 4.2% 27.2% 1.4%
Return on assets 1.8% 8.1% 0.7%
Return on invested capital 5.1% 10.6% 2.0%
Return on capital employed 6.6% 11.6% 1.7%
Asset turnover 1.3x 0.8x 0.3x
Cash conversion (OCF / net income) 2.5x 1.5x 6.7x
Stock comp / revenue 0.2% 0.9% 1.9%

Financial Health

11 metrics
MetricAMTMBWXTMIR
Debt / assets 34.2% 45.7% 12.6%
Debt / equity 0.8x 1.5x 0.2x
Net debt / EBITDA 3.2x 2.6x 0.1x
Debt / FCF 8.1x 6.4x 3.3x
Liabilities / assets 57.2% 69.8% 46.7%
Equity / assets 42.8% 30.2% 53.3%
Interest coverage – 12.4x 36.3x
Current ratio 1.5x 2.4x 3.2x
Quick ratio 1.9x 2.0x 2.4x
Cash ratio 0.2x 0.9x 1.5x
Altman Z-score 2.01 4.49 1.67

Shareholder Returns

7 metrics
MetricAMTMBWXTMIR
Dividend yield – 0.8% –
Net buyback yield – – 1.1%
Shareholder yield – 0.8% 1.1%
Payout ratio (earnings) – 27.0% –
Payout ratio (FCF) – 30.3% –
Dividend growth (1Y) – 5.9% –
Dividend CAGR (3Y) – 5.0% –

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.

ConsensusAMTMBWXTMIR
Forward P/E 8.6xFY2026 28.3xFY2026 28.5xFY2026
EPS, next fiscal year $2.52FY2026 $4.50FY2026 $0.52FY2026
EPS growth, next FY +13.5%FY2026 +12.2%FY2026 +13.0%FY2026
EPS growth, the year after +11.5% +8.4% +23.1%
Revenue, next fiscal year $12.96BFY2026 $3.64BFY2026 $1.10BFY2026
Revenue growth, next FY -9.9%FY2026 +13.7%FY2026 +19.3%FY2026
Revenue growth, the year after +3.3% +8.9% +15.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMTMBWXTMIR
Held by institutions 89.7% 92.2% 100.0%
Institutions holding 463 846 348
Change in shares held, QoQ +3.7% -0.6% +3.3%
Institutions buying 210 436 195
Institutions selling 154 280 116
Buyers to sellers 1.36 1.56 1.68

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.

AMTMBWXTMIR
AMTM 1.00 0.33 0.29
BWXT 0.33 1.00 0.58
MIR 0.29 0.58 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMTM, BWXT and MIR?

BWX Technologies (BWXT) is the largest by market capitalisation: Amentum Holdings (AMTM) $5.37B, BWX Technologies (BWXT) $12.03B, Mirion Technologies (MIR) $3.65B.

Which stock is cheaper, AMTM, BWXT and MIR?

Amentum Holdings (AMTM) trades on the lowest price-to-earnings ratio (Amentum Holdings (AMTM) 26.3x, BWX Technologies (BWXT) 33.9x, Mirion Technologies (MIR) 148.8x). On next year's consensus earnings, Amentum Holdings (AMTM) is cheapest (Amentum Holdings (AMTM) 8.6x, BWX Technologies (BWXT) 28.3x, Mirion Technologies (MIR) 28.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

BWX Technologies (BWXT) grew revenue fastest over the trailing twelve months: Amentum Holdings (AMTM) +11.4%, BWX Technologies (BWXT) +22.7%, Mirion Technologies (MIR) +15.7%.

Which company is more profitable?

BWX Technologies (BWXT) has the highest net margin (Amentum Holdings (AMTM) 1.4%, BWX Technologies (BWXT) 10.1%, Mirion Technologies (MIR) 2.4%). On return on invested capital, BWX Technologies (BWXT) leads (Amentum Holdings (AMTM) 5.1%, BWX Technologies (BWXT) 10.6%, Mirion Technologies (MIR) 2.0%).

Which stock has performed better?

Over the past year Amentum Holdings (AMTM) returned the most: Amentum Holdings (AMTM) -6.1%, BWX Technologies (BWXT) -36.4%, Mirion Technologies (MIR) -38.4%. Over five years, BWX Technologies (BWXT) compounded fastest (BWX Technologies (BWXT) +17.0%/yr, Mirion Technologies (MIR) +6.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Amentum Holdings (AMTM) 0.00%, BWX Technologies (BWXT) 0.01%, Mirion Technologies (MIR) 0.00%. Amentum Holdings (AMTM) and Mirion Technologies (MIR) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, BWX Technologies (BWXT) has been the steadiest (Amentum Holdings (AMTM) 46.4%, BWX Technologies (BWXT) 44.9%, Mirion Technologies (MIR) 53.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AMTM, BWXT and MIR?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, BWX Technologies (BWXT) leads on 6. 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.