AMTM vs LDOS vs NOC Stock Comparison

Amentum Holdings, Leidos Holdings and Northrop Grumman Prices as of Oct 26, 2026 Peers: Industry group
LDOS Leidos Holdings, Inc.
$139.91 +13.2% 1M -26.3% 1Y
Market cap
$17.59B
P/E
12.8x
Revenue (TTM)
$17.63B
Div. yield
0.01%
Defense Industrials
3 wins

Head to Head

12 decided of 12

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

QuestionAMTMLDOSNOCLeader
Larger companyMarket capitalisation $5.33B $17.59B $78.25B NOC
Cheaper on earningsLower P/E, profitable companies only 26.1x 12.8x 17.3x LDOS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 8.8x 11.0x 18.4x AMTM
Faster revenue growthRevenue growth, trailing twelve months +11.4% +3.4% +6.5% AMTM
More profitableNet margin, trailing twelve months 1.4% 7.8% 10.4% NOC
Better return on capitalReturn on invested capital 5.1% 13.9% 12.2% LDOS
Less leveragedLower net debt / EBITDA 3.2x 2.3x 1.7x NOC
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.02% NOC
Better 1-year returnPrice return, last 12 months -2.2% -26.3% -6.6% AMTM
Better 5-year returnAnnualised price return, 5 years — +7.2%/yr +7.8%/yr NOC
Less volatileAnnualised volatility, 1 year 46.5% 35.6% 28.6% NOC
Higher overall scoreMean of the five percentile scores vs peers 69/100 70/100 57/100 LDOS

Percentile Scorecard

AMTMLDOSNOC

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

AxisAMTMLDOSNOC
Valuation 100 #1 of 100 98 #3 of 100 74 #27 of 100
Growth 95 #6 of 97 57 #42 of 97 39 #60 of 97
Profitability 57 #42 of 96 85 #15 of 96 77 #23 of 96
Financial Health 24 #80 of 105 34 #70 of 105 39 #65 of 105
Shareholder Returns – 75 #17 of 64 59 #27 of 64
Overall 69 70 57
  • AMTM ranked among 107 companies in Aerospace and Defense
  • LDOS ranked among 107 companies in Aerospace and Defense
  • NOC ranked among 107 companies in Aerospace and Defense

Price Performance

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

Returns

PeriodAMTMLDOSNOCSPY
1 month +14.9%+13.2%+10.8% -0.8%
3 months -3.6%+21.6%+3.3% +3.5%
6 months -15.6%-3.0%-1.7% +7.0%
Year to date -23.9%-22.4%-0.8% +12.2%
1 year -2.2%-26.3%-6.6% +13.0%
3 years —+54.6%+19.5% +86.3%
3 years, per year —+15.6%+6.1% +23.1%
5 years —+41.4%+45.7% +68.6%
5 years, per year —+7.2%+7.8% +11.0%
10 years —+235.6%+147.9% +258.0%
10 years, per year —+12.9%+9.5% +13.6%

Risk

MeasureAMTMLDOSNOCSPY
Volatility, 1Y 46.5%35.6%28.6% 12.7%
Downside volatility, 1Y 43.8%37.3%28.3% 12.7%
Beta vs S&P 500, 1Y 1.120.260.00 1.00
Return / volatility, 1Y -0.05-0.74-0.23 1.02
Max drawdown, 5Y -51.7%-50.3%-38.4% -25.4%
From 52-week high -41.2%-29.9%-26.4% -1.8%
52-week high $37.53$199.55$768.02 $779.14
52-week low $18.12$100.00$473.40 $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.

MultipleAMTMLDOSNOC
P/E now vs peer median 26.4xmedian 26.8x 12.8xmedian 26.8x 17.8xmedian 26.8x
P/S now vs peer median 0.4xmedian 2.9x 1.0xmedian 2.9x 1.8xmedian 2.9x
EV/EBITDA now vs peer median 8.4xmedian 15.2x 9.8xmedian 15.2x 14.8xmedian 15.2x
P/FCF now vs peer median 11.4xmedian 25.5x 8.1xmedian 25.5x 21.0xmedian 25.5x
P/B now vs peer median 1.1xmedian 2.5x 3.3xmedian 2.5x 4.3xmedian 2.5x
PEG now vs peer median —median 0.94 0.45median 0.94 17.45median 0.94

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 monthsAMTMLDOSNOC
Revenue $14.13B $17.63B $43.59B
Gross profit $1.45B $3.14B $8.73B
Operating income $596.00M $2.03B $4.63B
Net income $204.00M $1.40B $4.52B
Free cash flow $474.00M $2.16B $3.83B
EPS (diluted) $0.83 $10.92 $31.74
Cash & equivalents $459.00M $748.00M $3.74B
Total debt $3.83B $21.66B $58.43B
Shares (diluted) 245.00M 126.00M 142.40M
Enterprise value $3.76B $14.30B $65.71B

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
MetricAMTMLDOSNOC
P/E 26.4x 12.8x 17.8x
P/FCF 11.4x 8.1x 21.0x
P/Operating cash flow 10.7x 7.6x 15.3x
P/S 0.4x 1.0x 1.8x
P/B 1.1x 3.3x 4.3x
P/Tangible book 1.7x 4.0x 4.3x
EV/EBITDA 8.4x 9.8x 14.8x
EV/EBIT 14.7x 11.3x 19.7x
EV/Revenue 0.6x 1.3x 2.1x
EV/FCF 18.5x 10.6x 23.8x
EV/Operating cash flow 17.3x 9.9x 17.3x
PEG (3Y EPS CAGR) – 0.45 17.45

Growth

14 metrics
MetricAMTMLDOSNOC
Revenue growth (1Y) 11.4% 3.4% 6.5%
Revenue CAGR (3Y) – 5.9% 4.1%
Gross profit growth (1Y) 11.9% 4.8% 9.8%
Gross profit CAGR (3Y) – 14.4% 3.4%
Operating income growth (1Y) 60.2% -0.4% 6.8%
Operating income CAGR (3Y) – 21.1% 6.4%
Net income growth (1Y) 240.0% -0.8% 12.5%
Net income CAGR (3Y) – 24.8% -1.1%
EPS growth (1Y) 289.1% 1.3% 13.3%
EPS CAGR (3Y) – 28.6% 1.0%
Operating cash flow growth (1Y) 215.6% 54.9% 53.2%
Operating cash flow CAGR (3Y) – 35.7% 12.5%
Free cash flow growth (1Y) 243.5% 63.2% 108.8%
Free cash flow CAGR (3Y) – 41.7% 22.3%

Profitability

14 metrics
MetricAMTMLDOSNOC
Gross margin 10.2% 17.8% 20.0%
EBITDA margin 7.3% 13.2% 14.1%
Operating margin 4.2% 11.5% 10.6%
Pretax margin 1.9% 10.2% 12.0%
Net margin 1.4% 7.8% 10.4%
FCF margin 3.4% 12.3% 8.8%
Operating cash flow margin 3.6% 13.0% 12.1%
Return on equity 4.2% 26.8% 24.7%
Return on assets 1.8% 9.0% 8.8%
Return on invested capital 5.1% 13.9% 12.2%
Return on capital employed 6.6% 16.5% 12.2%
Asset turnover 1.3x 1.1x 0.8x
Cash conversion (OCF / net income) 2.5x 1.6x 1.2x
Stock comp / revenue 0.2% 0.6% 0.3%

Financial Health

11 metrics
MetricAMTMLDOSNOC
Debt / assets 34.2% 38.6% 27.5%
Debt / equity 0.8x 1.1x 0.8x
Net debt / EBITDA 3.2x 2.3x 1.7x
Debt / FCF 8.1x 2.8x 3.8x
Liabilities / assets 57.2% 65.9% 64.4%
Equity / assets 42.8% 34.1% 35.6%
Interest coverage – – 7.1x
Current ratio 1.5x 1.6x 1.2x
Quick ratio 1.9x 1.4x 1.0x
Cash ratio 0.2x 0.2x 0.3x
Altman Z-score 2.02 3.20 3.12

Shareholder Returns

7 metrics
MetricAMTMLDOSNOC
Dividend yield – 1.2% 1.7%
Net buyback yield – 3.7% 0.7%
Shareholder yield – 5.0% 2.3%
Payout ratio (earnings) – 15.5% 30.2%
Payout ratio (FCF) – 10.0% 35.6%
Dividend growth (1Y) – 3.3% 8.0%
Dividend CAGR (3Y) – 2.8% 7.4%

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.

ConsensusAMTMLDOSNOC
Forward P/E 8.8xFY2026 11.0xFY2026 18.4xFY2026
EPS, next fiscal year $2.52FY2026 $12.75FY2026 $30.81FY2026
EPS growth, next FY +13.5%FY2026 +6.3%FY2026 +17.0%FY2026
EPS growth, the year after +11.5% -9.0% +3.7%
Revenue, next fiscal year $12.96BFY2026 $17.52BFY2026 $42.95BFY2026
Revenue growth, next FY -9.9%FY2026 +2.0%FY2026 +2.4%FY2026
Revenue growth, the year after +3.3% +14.9% +3.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMTMLDOSNOC
Held by institutions 89.7% 79.3% 83.4%
Institutions holding 463 773 1,809
Change in shares held, QoQ +3.7% +4.1% +0.3%
Institutions buying 210 380 840
Institutions selling 154 294 639
Buyers to sellers 1.36 1.29 1.31

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.

AMTMLDOSNOC
AMTM 1.00 0.48 0.32
LDOS 0.48 1.00 0.42
NOC 0.32 0.42 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AMTM, LDOS and NOC?

Northrop Grumman (NOC) is the largest by market capitalisation: Amentum Holdings (AMTM) $5.33B, Leidos Holdings (LDOS) $17.59B, Northrop Grumman (NOC) $78.25B.

Which stock is cheaper, AMTM, LDOS and NOC?

Leidos Holdings (LDOS) trades on the lowest price-to-earnings ratio (Amentum Holdings (AMTM) 26.1x, Leidos Holdings (LDOS) 12.8x, Northrop Grumman (NOC) 17.3x). On next year's consensus earnings, Amentum Holdings (AMTM) is cheapest (Amentum Holdings (AMTM) 8.8x, Leidos Holdings (LDOS) 11.0x, Northrop Grumman (NOC) 18.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Amentum Holdings (AMTM) grew revenue fastest over the trailing twelve months: Amentum Holdings (AMTM) +11.4%, Leidos Holdings (LDOS) +3.4%, Northrop Grumman (NOC) +6.5%.

Which company is more profitable?

Northrop Grumman (NOC) has the highest net margin (Amentum Holdings (AMTM) 1.4%, Leidos Holdings (LDOS) 7.8%, Northrop Grumman (NOC) 10.4%). On return on invested capital, Leidos Holdings (LDOS) leads (Amentum Holdings (AMTM) 5.1%, Leidos Holdings (LDOS) 13.9%, Northrop Grumman (NOC) 12.2%).

Which stock has performed better?

Over the past year Amentum Holdings (AMTM) returned the most: Amentum Holdings (AMTM) -2.2%, Leidos Holdings (LDOS) -26.3%, Northrop Grumman (NOC) -6.6%. Over five years, Northrop Grumman (NOC) compounded fastest (Leidos Holdings (LDOS) +7.2%/yr, Northrop Grumman (NOC) +7.8%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Northrop Grumman (NOC) has the highest dividend yield: Amentum Holdings (AMTM) 0.00%, Leidos Holdings (LDOS) 0.01%, Northrop Grumman (NOC) 0.02%. Amentum Holdings (AMTM) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Northrop Grumman (NOC) has been the steadiest (Amentum Holdings (AMTM) 46.5%, Leidos Holdings (LDOS) 35.6%, Northrop Grumman (NOC) 28.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AMTM, LDOS and NOC?

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