TDY vs NOC vs LDOS Stock Comparison

Teledyne Technologies, Northrop Grumman and Leidos Holdings Prices as of Oct 27, 2026 Peers: Industry group
LDOS Leidos Holdings, Inc.
$139.65 +12.9% 1M -26.2% 1Y
Market cap
$17.37B
P/E
12.6x
Revenue (TTM)
$17.63B
Div. yield
0.01%
Defense Industrials
3 wins

Head to Head

12 decided of 12

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

QuestionTDYNOCLDOSLeader
Larger companyMarket capitalisation $30.76B $78.32B $17.37B NOC
Cheaper on earningsLower P/E, profitable companies only 30.0x 17.3x 12.6x LDOS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 25.1x 17.9x 11.0x LDOS
Faster revenue growthRevenue growth, trailing twelve months +8.6% +6.5% +3.4% TDY
More profitableNet margin, trailing twelve months 15.8% 10.4% 7.8% TDY
Better return on capitalReturn on invested capital 8.1% 12.2% 13.9% LDOS
Less leveragedLower net debt / EBITDA 0.9x 1.7x 2.3x TDY
Higher dividend yieldTrailing dividend yield 0.00% 0.02% 0.01% NOC
Better 1-year returnPrice return, last 12 months +24.0% -7.5% -26.2% TDY
Better 5-year returnAnnualised price return, 5 years +8.0%/yr +9.0%/yr +7.2%/yr NOC
Less volatileAnnualised volatility, 1 year 25.6% 28.7% 35.6% TDY
Higher overall scoreMean of the five percentile scores vs peers 70/100 58/100 70/100 TDY

Percentile Scorecard

TDYNOCLDOS

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

AxisTDYNOCLDOS
Valuation 66 #35 of 100 78 #23 of 100 98 #3 of 100
Growth 39 #60 of 97 38 #61 of 97 58 #41 of 97
Profitability 83 #17 of 96 78 #22 of 96 86 #14 of 96
Financial Health 73 #29 of 105 40 #63 of 105 33 #71 of 105
Shareholder Returns 91 #7 of 65 58 #28 of 65 75 #17 of 65
Overall 70 58 70
  • TDY ranked among 107 companies in Aerospace and Defense
  • NOC ranked among 107 companies in Aerospace and Defense
  • LDOS 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

PeriodTDYNOCLDOSSPY
1 month +6.7%+8.0%+12.9% -0.2%
3 months +0.8%+0.4%+18.0% +3.9%
6 months +2.1%-4.6%-4.4% +8.2%
Year to date +28.3%-3.3%-22.6% +12.9%
1 year +24.0%-7.5%-26.2% +12.3%
3 years +76.7%+16.5%+54.3% +87.4%
3 years, per year +20.9%+5.2%+15.6% +23.3%
5 years +46.7%+53.7%+41.7% +67.9%
5 years, per year +8.0%+9.0%+7.2% +10.9%
10 years +518.4%+144.6%+239.1% +261.1%
10 years, per year +20.0%+9.4%+13.0% +13.7%

Risk

MeasureTDYNOCLDOSSPY
Volatility, 1Y 25.6%28.7%35.6% 12.7%
Downside volatility, 1Y 24.0%28.4%37.2% 12.7%
Beta vs S&P 500, 1Y 1.12-0.010.26 1.00
Return / volatility, 1Y 0.93-0.26-0.74 0.97
Max drawdown, 5Y -32.2%-38.4%-50.3% -25.4%
From 52-week high -5.2%-28.2%-30.0% -1.2%
52-week high $691.24$768.02$199.55 $779.14
52-week low $484.47$473.40$100.00 $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.

MultipleTDYNOCLDOS
P/E now vs peer median 29.5xmedian 26.5x 17.3xmedian 26.5x 12.8xmedian 26.5x
P/S now vs peer median 4.6xmedian 3.0x 1.8xmedian 3.0x 1.0xmedian 3.0x
EV/EBITDA now vs peer median 19.3xmedian 14.6x 14.5xmedian 14.6x 9.8xmedian 14.6x
P/FCF now vs peer median 26.4xmedian 26.4x 20.5xmedian 26.4x 8.1xmedian 26.4x
P/B now vs peer median 2.7xmedian 2.5x 4.2xmedian 2.5x 3.3xmedian 2.5x
PEG now vs peer median -49.75median 0.90 17.01median 0.90 0.45median 0.90

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 monthsTDYNOCLDOS
Revenue $6.52B $43.59B $17.63B
Gross profit $2.84B $8.73B $3.14B
Operating income $1.30B $4.63B $2.03B
Net income $1.03B $4.52B $1.40B
Free cash flow $1.15B $3.83B $2.16B
R&D $330.60M – –
EPS (diluted) $21.90 $31.74 $10.92
Cash & equivalents $562.40M $3.74B $748.00M
Total debt $2.03B $58.43B $21.66B
Shares (diluted) 46.90M 142.40M 126.00M
Enterprise value $28.99B $65.78B $14.08B

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
MetricTDYNOCLDOS
P/E 29.5x 17.3x 12.8x
P/FCF 26.4x 20.5x 8.1x
P/Operating cash flow 23.6x 14.9x 7.6x
P/S 4.6x 1.8x 1.0x
P/B 2.7x 4.2x 3.3x
P/Tangible book 3.3x 4.2x 4.0x
EV/EBITDA 19.3x 14.5x 9.8x
EV/EBIT 24.3x 19.2x 11.2x
EV/Revenue 4.9x 2.0x 1.3x
EV/FCF 27.7x 23.2x 10.5x
EV/Operating cash flow 24.8x 16.9x 9.9x
PEG (3Y EPS CAGR) -49.75 17.01 0.45

Growth

14 metrics
MetricTDYNOCLDOS
Revenue growth (1Y) 8.6% 6.5% 3.4%
Revenue CAGR (3Y) 0.5% 4.1% 5.9%
Gross profit growth (1Y) 10.8% 9.8% 4.8%
Gross profit CAGR (3Y) -0.1% 3.4% 14.4%
Operating income growth (1Y) 23.3% 6.8% -0.4%
Operating income CAGR (3Y) 0.0% 6.4% 21.1%
Net income growth (1Y) 25.5% 12.5% -0.8%
Net income CAGR (3Y) -1.3% -1.1% 24.8%
EPS growth (1Y) 27.2% 13.3% 1.3%
EPS CAGR (3Y) -0.6% 1.0% 28.6%
Operating cash flow growth (1Y) 11.9% 53.2% 54.9%
Operating cash flow CAGR (3Y) 26.7% 12.5% 35.7%
Free cash flow growth (1Y) 10.5% 108.8% 63.2%
Free cash flow CAGR (3Y) 29.4% 22.3% 41.7%

Profitability

14 metrics
MetricTDYNOCLDOS
Gross margin 43.6% 20.0% 17.8%
EBITDA margin 25.3% 14.1% 13.2%
Operating margin 20.0% 10.6% 11.5%
Pretax margin 19.4% 12.0% 10.2%
Net margin 15.8% 10.4% 7.8%
FCF margin 17.6% 8.8% 12.3%
Operating cash flow margin 19.6% 12.1% 13.0%
Return on equity 9.3% 24.7% 26.8%
Return on assets 6.7% 8.8% 9.0%
Return on invested capital 8.1% 12.2% 13.9%
Return on capital employed 9.4% 12.2% 16.5%
Asset turnover 0.4x 0.8x 1.1x
Cash conversion (OCF / net income) 1.2x 1.2x 1.6x
Stock comp / revenue 0.6% 0.3% 0.6%

Financial Health

11 metrics
MetricTDYNOCLDOS
Debt / assets 13.0% 27.5% 38.6%
Debt / equity 0.2x 0.8x 1.1x
Net debt / EBITDA 0.9x 1.7x 2.3x
Debt / FCF 1.8x 3.8x 2.8x
Liabilities / assets 28.5% 64.4% 65.9%
Equity / assets 71.5% 35.6% 34.1%
Interest coverage 26.9x 7.1x –
Current ratio 2.3x 1.2x 1.6x
Quick ratio 1.3x 1.0x 1.4x
Cash ratio 0.4x 0.3x 0.2x
Altman Z-score 5.66 3.08 3.20

Shareholder Returns

7 metrics
MetricTDYNOCLDOS
Dividend yield – 1.7% 1.2%
Net buyback yield 1.5% 0.7% 3.8%
Shareholder yield 1.5% 2.4% 5.0%
Payout ratio (earnings) – 30.2% 15.5%
Payout ratio (FCF) – 35.6% 10.0%
Dividend growth (1Y) – 8.0% 3.3%
Dividend CAGR (3Y) – 7.4% 2.8%

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.

ConsensusTDYNOCLDOS
Forward P/E 25.1xFY2026 17.9xFY2026 11.0xFY2026
EPS, next fiscal year $26.05FY2026 $30.81FY2026 $12.75FY2026
EPS growth, next FY +18.5%FY2026 +17.0%FY2026 +6.3%FY2026
EPS growth, the year after +13.6% +3.7% -9.0%
Revenue, next fiscal year $6.20BFY2026 $42.95BFY2026 $17.52BFY2026
Revenue growth, next FY +1.4%FY2026 +2.4%FY2026 +2.0%FY2026
Revenue growth, the year after +5.9% +3.7% +14.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersTDYNOCLDOS
Held by institutions 97.2% 83.4% 79.3%
Institutions holding 886 1,809 773
Change in shares held, QoQ +2.7% +0.3% +4.1%
Institutions buying 399 840 380
Institutions selling 327 639 294
Buyers to sellers 1.22 1.31 1.29

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.

TDYNOCLDOS
TDY 1.00 0.25 0.22
NOC 0.25 1.00 0.42
LDOS 0.22 0.42 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, TDY, NOC and LDOS?

Northrop Grumman (NOC) is the largest by market capitalisation: Teledyne Technologies (TDY) $30.76B, Northrop Grumman (NOC) $78.32B, Leidos Holdings (LDOS) $17.37B.

Which stock is cheaper, TDY, NOC and LDOS?

Leidos Holdings (LDOS) trades on the lowest price-to-earnings ratio (Teledyne Technologies (TDY) 30.0x, Northrop Grumman (NOC) 17.3x, Leidos Holdings (LDOS) 12.6x). On next year's consensus earnings, Leidos Holdings (LDOS) is cheapest (Teledyne Technologies (TDY) 25.1x, Northrop Grumman (NOC) 17.9x, Leidos Holdings (LDOS) 11.0x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Teledyne Technologies (TDY) grew revenue fastest over the trailing twelve months: Teledyne Technologies (TDY) +8.6%, Northrop Grumman (NOC) +6.5%, Leidos Holdings (LDOS) +3.4%.

Which company is more profitable?

Teledyne Technologies (TDY) has the highest net margin (Teledyne Technologies (TDY) 15.8%, Northrop Grumman (NOC) 10.4%, Leidos Holdings (LDOS) 7.8%). On return on invested capital, Leidos Holdings (LDOS) leads (Teledyne Technologies (TDY) 8.1%, Northrop Grumman (NOC) 12.2%, Leidos Holdings (LDOS) 13.9%).

Which stock has performed better?

Over the past year Teledyne Technologies (TDY) returned the most: Teledyne Technologies (TDY) +24.0%, Northrop Grumman (NOC) -7.5%, Leidos Holdings (LDOS) -26.2%. Over five years, Northrop Grumman (NOC) compounded fastest (Teledyne Technologies (TDY) +8.0%/yr, Northrop Grumman (NOC) +9.0%/yr, Leidos Holdings (LDOS) +7.2%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

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

Which stock is riskier?

By one-year price volatility, Teledyne Technologies (TDY) has been the steadiest (Teledyne Technologies (TDY) 25.6%, Northrop Grumman (NOC) 28.7%, Leidos Holdings (LDOS) 35.6%). Volatility measures how widely the price swings, not the risk of the business.

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

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