OSIS vs TDG Stock Comparison

Osi Systems and TransDigm Prices as of Oct 27, 2026 Peers: Industry group
OSIS Osi Systems Inc
$200.90 +1.9% 1M -20.9% 1Y
Market cap
$3.34B
P/E
21.6x
Revenue (TTM)
$1.79B
Div. yield
–
Defense Industrials
5 wins
TDG TransDigm Group INC
$1,130.73 +1.3% 1M -16.5% 1Y
Market cap
$65.44B
P/E
34.2x
Revenue (TTM)
$10.01B
Div. yield
–
Commercial Aerospace Industrials
6 wins

Head to Head

11 decided of 12

TransDigm leads on 6 of the 12 questions below (TransDigm 6, Osi Systems 5). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionOSISTDGLeader
Larger companyMarket capitalisation $3.34B $65.44B TDG
Cheaper on earningsLower P/E, profitable companies only 21.6x 34.2x OSIS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 17.3x 25.7x OSIS
Faster revenue growthRevenue growth, trailing twelve months +4.3% +16.6% TDG
More profitableNet margin, trailing twelve months 8.7% 19.1% TDG
Better return on capitalReturn on invested capital 9.4% 15.5% TDG
Less leveragedLower net debt / EBITDA 2.4x 6.1x OSIS
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -20.9% -16.5% TDG
Better 5-year returnAnnualised price return, 5 years +16.4%/yr +12.5%/yr OSIS
Less volatileAnnualised volatility, 1 year 43.6% 27.2% TDG
Higher overall scoreMean of the five percentile scores vs peers 74/100 66/100 OSIS

Percentile Scorecard

OSISTDG

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

AxisOSISTDG
Valuation 84 #17 of 100 53 #48 of 100
Growth 67 #33 of 97 68 #32 of 97
Profitability 80 #20 of 96 96 #5 of 96
Financial Health 44 #59 of 105 17 #87 of 105
Shareholder Returns 97 #3 of 65 95 #4 of 65
Overall 74 66
  • OSIS ranked among 107 companies in Aerospace and Defense
  • TDG 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

PeriodOSISTDGSPY
1 month +1.9%+1.3% -0.2%
3 months -8.9%-13.5% +3.9%
6 months -30.1%-2.0% +8.2%
Year to date -21.2%-15.0% +12.9%
1 year -20.9%-16.5% +12.3%
3 years +88.8%+38.1% +87.4%
3 years, per year +23.6%+11.4% +23.3%
5 years +113.5%+79.9% +67.9%
5 years, per year +16.4%+12.5% +10.9%
10 years +202.8%+319.4% +261.1%
10 years, per year +11.7%+15.4% +13.7%

Risk

MeasureOSISTDGSPY
Volatility, 1Y 43.6%27.2% 12.7%
Downside volatility, 1Y 44.4%29.0% 12.7%
Beta vs S&P 500, 1Y 1.170.75 1.00
Return / volatility, 1Y -0.48-0.61 0.97
Max drawdown, 5Y -37.9%-33.6% -25.4%
From 52-week high -35.1%-22.0% -1.2%
52-week high $309.68$1,450.00 $779.14
52-week low $192.30$1,076.01 $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.

MultipleOSISTDG
P/E now vs peer median 21.5xmedian 26.5x 34.0xmedian 26.5x
P/S now vs peer median 1.8xmedian 3.0x 6.2xmedian 3.0x
EV/EBITDA now vs peer median 14.5xmedian 14.6x 18.4xmedian 14.6x
P/FCF now vs peer median 14.1xmedian 26.4x 32.4xmedian 26.4x
P/B now vs peer median 3.8xmedian 2.5x -6.4xmedian 2.5x
PEG now vs peer median 1.15median 0.90 1.61median 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 monthsOSISTDG
Revenue $1.79B $10.01B
Gross profit $593.09M $5.96B
Operating income $218.97M $4.61B
Net income $154.71M $2.13B
Free cash flow $227.35M $1.93B
R&D $79.14M –
EPS (diluted) $8.95 $33.29
Cash & equivalents $359.83M $2.77B
Total debt $3.45B $33.49B
Shares (diluted) 17.28M 57.40M
Enterprise value $2.17B $53.45B

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
MetricOSISTDG
P/E 21.5x 34.0x
P/FCF 14.1x 32.4x
P/Operating cash flow 11.6x 28.4x
P/S 1.8x 6.2x
P/B 3.8x -6.4x
P/Tangible book 5.0x -4.3x
EV/EBITDA 14.5x 18.4x
EV/EBIT 17.5x 20.2x
EV/Revenue 2.1x 9.3x
EV/FCF 16.9x 48.4x
EV/Operating cash flow 13.9x 42.4x
PEG (3Y EPS CAGR) 1.15 1.61

Growth

14 metrics
MetricOSISTDG
Revenue growth (1Y) 4.3% 16.6%
Revenue CAGR (3Y) 11.8% 17.0%
Gross profit growth (1Y) 1.0% 16.9%
Gross profit CAGR (3Y) 11.3% 17.9%
Operating income growth (1Y) 0.7% 16.7%
Operating income CAGR (3Y) 17.4% 19.4%
Net income growth (1Y) 3.4% 10.2%
Net income CAGR (3Y) 19.0% 22.8%
EPS growth (1Y) 2.8% 10.5%
EPS CAGR (3Y) 18.8% 21.1%
Operating cash flow growth (1Y) 182.7% 4.5%
Operating cash flow CAGR (3Y) 42.8% 22.8%
Free cash flow growth (1Y) 305.3% 1.1%
Free cash flow CAGR (3Y) 53.7% 22.4%

Profitability

14 metrics
MetricOSISTDG
Gross margin 33.2% 59.6%
EBITDA margin 14.8% 50.7%
Operating margin 12.3% 46.0%
Pretax margin 10.8% 27.4%
Net margin 8.7% 19.1%
FCF margin 12.7% 19.3%
Operating cash flow margin 15.4% 22.0%
Return on equity 17.9% –
Return on assets 6.1% 8.2%
Return on invested capital 9.4% 15.5%
Return on capital employed 10.9% 19.6%
Asset turnover 0.7x 0.4x
Cash conversion (OCF / net income) 1.8x 1.0x
Stock comp / revenue 1.5% 1.5%

Financial Health

11 metrics
MetricOSISTDG
Debt / assets 40.0% 125.2%
Debt / equity 1.2x -3.4x
Net debt / EBITDA 2.4x 6.1x
Debt / FCF 4.4x 17.4x
Liabilities / assets 66.7% 136.7%
Equity / assets 33.3% -36.7%
Interest coverage 8.3x 2.5x
Current ratio 3.2x 3.0x
Quick ratio 2.2x 1.9x
Cash ratio 0.7x 1.1x
Altman Z-score 3.16 1.72

Shareholder Returns

7 metrics
MetricOSISTDG
Dividend yield – –
Net buyback yield 3.7% 2.7%
Shareholder yield 3.7% 2.7%
Payout ratio (earnings) – –
Payout ratio (FCF) – –
Dividend growth (1Y) – –
Dividend CAGR (3Y) – –

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.

ConsensusOSISTDG
Forward P/E 17.3xFY2027 25.7xFY2026
EPS, next fiscal year $11.62FY2027 $44.01FY2026
EPS growth, next FY +12.3%FY2027 +17.9%FY2026
EPS growth, the year after +7.2% +7.9%
Revenue, next fiscal year $1.85BFY2027 $10.01BFY2026
Revenue growth, next FY +3.5%FY2027 +13.4%FY2026
Revenue growth, the year after +16.1% +24.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersOSISTDG
Held by institutions 100.0% 93.2%
Institutions holding 366 1,140
Change in shares held, QoQ +0.7% +1.2%
Institutions buying 191 584
Institutions selling 134 367
Buyers to sellers 1.43 1.59

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.

OSISTDG
OSIS 1.00 0.15
TDG 0.15 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, OSIS and TDG?

TransDigm (TDG) is the largest by market capitalisation: Osi Systems (OSIS) $3.34B, TransDigm (TDG) $65.44B.

Which stock is cheaper, OSIS and TDG?

Osi Systems (OSIS) trades on the lowest price-to-earnings ratio (Osi Systems (OSIS) 21.6x, TransDigm (TDG) 34.2x). On next year's consensus earnings, Osi Systems (OSIS) is cheapest (Osi Systems (OSIS) 17.3x, TransDigm (TDG) 25.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

TransDigm (TDG) grew revenue fastest over the trailing twelve months: Osi Systems (OSIS) +4.3%, TransDigm (TDG) +16.6%.

Which company is more profitable?

TransDigm (TDG) has the highest net margin (Osi Systems (OSIS) 8.7%, TransDigm (TDG) 19.1%). On return on invested capital, TransDigm (TDG) leads (Osi Systems (OSIS) 9.4%, TransDigm (TDG) 15.5%).

Which stock has performed better?

Over the past year TransDigm (TDG) returned the most: Osi Systems (OSIS) -20.9%, TransDigm (TDG) -16.5%. Over five years, Osi Systems (OSIS) compounded fastest (Osi Systems (OSIS) +16.4%/yr, TransDigm (TDG) +12.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, TransDigm (TDG) has been the steadiest (Osi Systems (OSIS) 43.6%, TransDigm (TDG) 27.2%). Volatility measures how widely the price swings, not the risk of the business.

Do OSIS and TDG move together?

Their daily returns over the past year have a correlation of 0.15, a weak relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, OSIS and TDG?

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