LDOS vs OSIS vs TDY Stock Comparison

Leidos Holdings, Osi Systems and Teledyne Technologies Prices as of Oct 28, 2026 Peers: Industry group
LDOS Leidos Holdings, Inc.
$139.62 +14.1% 1M -25.7% 1Y
Market cap
$17.52B
P/E
12.8x
Revenue (TTM)
$17.63B
Div. yield
1.23%
Defense Industrials
3 wins
OSIS Osi Systems Inc
$200.67 +4.0% 1M -20.0% 1Y
Market cap
$3.19B
P/E
21.5x
Revenue (TTM)
$1.79B
Div. yield
–
Defense Industrials
2 wins

Head to Head

11 decided of 12

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

QuestionLDOSOSISTDYLeader
Larger companyMarket capitalisation $17.52B $3.19B $30.78B TDY
Cheaper on earningsLower P/E, profitable companies only 12.8x 21.5x 30.0x LDOS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 11.0x 17.3x 25.6x LDOS
Faster revenue growthRevenue growth, trailing twelve months +3.4% +4.3% +8.6% TDY
More profitableNet margin, trailing twelve months 7.8% 8.7% 15.8% TDY
Better return on capitalReturn on invested capital 13.9% 9.4% 8.1% LDOS
Less leveragedLower net debt / EBITDA 2.3x 2.4x 0.9x TDY
Higher dividend yieldTrailing dividend yield 1.23% — — –
Better 1-year returnPrice return, last 12 months -25.7% -20.0% +26.8% TDY
Better 5-year returnAnnualised price return, 5 years +6.9%/yr +16.6%/yr +8.2%/yr OSIS
Less volatileAnnualised volatility, 1 year 35.6% 43.5% 25.7% TDY
Higher overall scoreMean of the five percentile scores vs peers 70/100 75/100 69/100 OSIS

Percentile Scorecard

LDOSOSISTDY

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

AxisLDOSOSISTDY
Valuation 98 #3 of 100 84 #17 of 100 62 #39 of 100
Growth 58 #41 of 97 68 #32 of 97 35 #63 of 97
Profitability 86 #14 of 96 80 #20 of 96 83 #17 of 96
Financial Health 32 #72 of 105 43 #60 of 105 73 #29 of 105
Shareholder Returns 73 #18 of 65 98 #2 of 65 91 #7 of 65
Overall 70 75 69
  • LDOS ranked among 107 companies in Aerospace and Defense
  • OSIS ranked among 107 companies in Aerospace and Defense
  • TDY 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

PeriodLDOSOSISTDYSPY
1 month +14.1%+4.0%+9.0% +0.9%
3 months +22.1%-6.2%+5.5% +5.9%
6 months -4.3%-28.8%+5.6% +8.5%
Year to date -22.6%-21.3%+30.4% +13.3%
1 year -25.7%-20.0%+26.8% +12.4%
3 years +54.3%+88.6%+79.7% +88.1%
3 years, per year +15.6%+23.6%+21.6% +23.5%
5 years +39.6%+115.5%+48.3% +68.2%
5 years, per year +6.9%+16.6%+8.2% +11.0%
10 years +237.2%+177.7%+526.4% +263.4%
10 years, per year +12.9%+10.8%+20.1% +13.8%

Risk

MeasureLDOSOSISTDYSPY
Volatility, 1Y 35.6%43.5%25.7% 12.7%
Downside volatility, 1Y 37.1%44.4%24.1% 12.7%
Beta vs S&P 500, 1Y 0.261.181.12 1.00
Return / volatility, 1Y -0.72-0.461.04 0.98
Max drawdown, 5Y -50.3%-37.9%-32.2% -25.4%
From 52-week high -30.0%-35.2%-3.6% -0.9%
52-week high $199.55$309.68$691.24 $779.14
52-week low $100.00$192.30$484.47 $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.

MultipleLDOSOSISTDY
P/E now vs peer median 12.8xmedian 26.4x 21.5xmedian 26.4x 30.0xmedian 26.4x
P/S now vs peer median 1.0xmedian 3.0x 1.8xmedian 3.0x 4.7xmedian 3.0x
EV/EBITDA now vs peer median 9.8xmedian 14.5x 14.5xmedian 14.5x 19.6xmedian 14.5x
P/FCF now vs peer median 8.1xmedian 26.1x 14.0xmedian 26.1x 26.8xmedian 26.1x
P/B now vs peer median 3.3xmedian 2.5x 3.8xmedian 2.5x 2.8xmedian 2.5x
PEG now vs peer median 0.45median 0.90 1.14median 0.90 -50.58median 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 monthsLDOSOSISTDY
Revenue $17.63B $1.79B $6.52B
Gross profit $3.14B $593.09M $2.84B
Operating income $2.03B $218.97M $1.30B
Net income $1.40B $154.71M $1.03B
Free cash flow $2.16B $227.35M $1.15B
R&D – $79.14M $330.60M
EPS (diluted) $10.92 $8.95 $21.90
Cash & equivalents $748.00M $359.83M $562.40M
Total debt $21.66B $3.45B $2.03B
Shares (diluted) 126.00M 17.28M 46.90M
Enterprise value $14.29B $2.03B $29.01B

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
MetricLDOSOSISTDY
P/E 12.8x 21.5x 30.0x
P/FCF 8.1x 14.0x 26.8x
P/Operating cash flow 7.6x 11.6x 24.0x
P/S 1.0x 1.8x 4.7x
P/B 3.3x 3.8x 2.8x
P/Tangible book 4.0x 5.0x 3.3x
EV/EBITDA 9.8x 14.5x 19.6x
EV/EBIT 11.2x 17.5x 24.7x
EV/Revenue 1.3x 2.1x 4.9x
EV/FCF 10.5x 16.9x 28.1x
EV/Operating cash flow 9.9x 13.9x 25.2x
PEG (3Y EPS CAGR) 0.45 1.14 -50.58

Growth

14 metrics
MetricLDOSOSISTDY
Revenue growth (1Y) 3.4% 4.3% 8.6%
Revenue CAGR (3Y) 5.9% 11.8% 0.5%
Gross profit growth (1Y) 4.8% 1.0% 10.8%
Gross profit CAGR (3Y) 14.4% 11.3% -0.1%
Operating income growth (1Y) -0.4% 0.7% 23.3%
Operating income CAGR (3Y) 21.1% 17.4% 0.0%
Net income growth (1Y) -0.8% 3.4% 25.5%
Net income CAGR (3Y) 24.8% 19.0% -1.3%
EPS growth (1Y) 1.3% 2.8% 27.2%
EPS CAGR (3Y) 28.6% 18.8% -0.6%
Operating cash flow growth (1Y) 54.9% 182.7% 11.9%
Operating cash flow CAGR (3Y) 35.7% 42.8% 26.7%
Free cash flow growth (1Y) 63.2% 305.3% 10.5%
Free cash flow CAGR (3Y) 41.7% 53.7% 29.4%

Profitability

14 metrics
MetricLDOSOSISTDY
Gross margin 17.8% 33.2% 43.6%
EBITDA margin 13.2% 14.8% 25.3%
Operating margin 11.5% 12.3% 20.0%
Pretax margin 10.2% 10.8% 19.4%
Net margin 7.8% 8.7% 15.8%
FCF margin 12.3% 12.7% 17.6%
Operating cash flow margin 13.0% 15.4% 19.6%
Return on equity 26.8% 17.9% 9.3%
Return on assets 9.0% 6.1% 6.7%
Return on invested capital 13.9% 9.4% 8.1%
Return on capital employed 16.5% 10.9% 9.4%
Asset turnover 1.1x 0.7x 0.4x
Cash conversion (OCF / net income) 1.6x 1.8x 1.2x
Stock comp / revenue 0.6% 1.5% 0.6%

Financial Health

11 metrics
MetricLDOSOSISTDY
Debt / assets 38.6% 40.0% 13.0%
Debt / equity 1.1x 1.2x 0.2x
Net debt / EBITDA 2.3x 2.4x 0.9x
Debt / FCF 2.8x 4.4x 1.8x
Liabilities / assets 65.9% 66.7% 28.5%
Equity / assets 34.1% 33.3% 71.5%
Interest coverage – 8.3x 26.9x
Current ratio 1.6x 3.2x 2.3x
Quick ratio 1.4x 2.2x 1.3x
Cash ratio 0.2x 0.7x 0.4x
Altman Z-score 3.20 3.15 5.73

Shareholder Returns

7 metrics
MetricLDOSOSISTDY
Dividend yield 1.2% – –
Net buyback yield 3.8% 3.7% 1.5%
Shareholder yield 5.0% 3.7% 1.5%
Payout ratio (earnings) 15.5% – –
Payout ratio (FCF) 10.0% – –
Dividend growth (1Y) 3.3% – –
Dividend CAGR (3Y) 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.

ConsensusLDOSOSISTDY
Forward P/E 11.0xFY2026 17.3xFY2027 25.6xFY2026
EPS, next fiscal year $12.75FY2026 $11.62FY2027 $26.05FY2026
EPS growth, next FY +6.3%FY2026 +12.3%FY2027 +18.5%FY2026
EPS growth, the year after -9.0% +7.2% +13.6%
Revenue, next fiscal year $17.52BFY2026 $1.85BFY2027 $6.20BFY2026
Revenue growth, next FY +2.0%FY2026 +3.5%FY2027 +1.4%FY2026
Revenue growth, the year after +14.9% +16.1% +5.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersLDOSOSISTDY
Held by institutions 79.3% 100.0% 97.2%
Institutions holding 773 366 886
Change in shares held, QoQ +4.1% +0.7% +2.7%
Institutions buying 380 191 399
Institutions selling 294 134 327
Buyers to sellers 1.29 1.43 1.22

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.

LDOSOSISTDY
LDOS 1.00 0.34 0.22
OSIS 0.34 1.00 0.44
TDY 0.22 0.44 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, LDOS, OSIS and TDY?

Teledyne Technologies (TDY) is the largest by market capitalisation: Leidos Holdings (LDOS) $17.52B, Osi Systems (OSIS) $3.19B, Teledyne Technologies (TDY) $30.78B.

Which stock is cheaper, LDOS, OSIS and TDY?

Leidos Holdings (LDOS) trades on the lowest price-to-earnings ratio (Leidos Holdings (LDOS) 12.8x, Osi Systems (OSIS) 21.5x, Teledyne Technologies (TDY) 30.0x). On next year's consensus earnings, Leidos Holdings (LDOS) is cheapest (Leidos Holdings (LDOS) 11.0x, Osi Systems (OSIS) 17.3x, Teledyne Technologies (TDY) 25.6x). 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: Leidos Holdings (LDOS) +3.4%, Osi Systems (OSIS) +4.3%, Teledyne Technologies (TDY) +8.6%.

Which company is more profitable?

Teledyne Technologies (TDY) has the highest net margin (Leidos Holdings (LDOS) 7.8%, Osi Systems (OSIS) 8.7%, Teledyne Technologies (TDY) 15.8%). On return on invested capital, Leidos Holdings (LDOS) leads (Leidos Holdings (LDOS) 13.9%, Osi Systems (OSIS) 9.4%, Teledyne Technologies (TDY) 8.1%).

Which stock has performed better?

Over the past year Teledyne Technologies (TDY) returned the most: Leidos Holdings (LDOS) -25.7%, Osi Systems (OSIS) -20.0%, Teledyne Technologies (TDY) +26.8%. Over five years, Osi Systems (OSIS) compounded fastest (Leidos Holdings (LDOS) +6.9%/yr, Osi Systems (OSIS) +16.6%/yr, Teledyne Technologies (TDY) +8.2%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Leidos Holdings (LDOS) 1.23%. Osi Systems (OSIS) and Teledyne Technologies (TDY) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Teledyne Technologies (TDY) has been the steadiest (Leidos Holdings (LDOS) 35.6%, Osi Systems (OSIS) 43.5%, Teledyne Technologies (TDY) 25.7%). Volatility measures how widely the price swings, not the risk of the business.

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

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.