TDG vs CAE vs OSIS Stock Comparison

TransDigm, Cae and Osi Systems Prices as of Oct 27, 2026 Peers: Industry group
TDG TransDigm Group INC
$1,130.73 +1.3% 1M -16.5% 1Y
Market cap
$62.50B
P/E
34.0x
Revenue (TTM)
$10.01B
Div. yield
–
Commercial Aerospace Industrials
5 wins
CAE Cae Inc
$25.74 +3.5% 1M -10.1% 1Y
Market cap
$8.28B
P/E
34.4x
Revenue (TTM)
$3.50B
Div. yield
–
Commercial Aerospace Industrials
1 win
OSIS Osi Systems Inc
$200.90 +1.9% 1M -20.9% 1Y
Market cap
$3.20B
P/E
21.5x
Revenue (TTM)
$1.79B
Div. yield
–
Defense Industrials
5 wins

Head to Head

11 decided of 12

TransDigm leads on 5 of the 12 questions below (TransDigm 5, Osi Systems 5, Cae 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionTDGCAEOSISLeader
Larger companyMarket capitalisation $62.50B $8.28B $3.20B TDG
Cheaper on earningsLower P/E, profitable companies only 34.0x 34.4x 21.5x OSIS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 25.7x 27.1x 17.3x OSIS
Faster revenue growthRevenue growth, trailing twelve months +16.6% +6.5% +4.3% TDG
More profitableNet margin, trailing twelve months 19.1% 6.9% 8.7% TDG
Better return on capitalReturn on invested capital 15.5% 7.1% 9.4% TDG
Less leveragedLower net debt / EBITDA 6.1x 3.0x 2.4x OSIS
Higher dividend yieldTrailing dividend yield 0.00% 0.00% — –
Better 1-year returnPrice return, last 12 months -16.5% -10.1% -20.9% CAE
Better 5-year returnAnnualised price return, 5 years +12.5%/yr -3.3%/yr +16.4%/yr OSIS
Less volatileAnnualised volatility, 1 year 27.2% 33.3% 43.6% TDG
Higher overall scoreMean of the five percentile scores vs peers 66/100 55/100 74/100 OSIS

Percentile Scorecard

TDGCAEOSIS

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

AxisTDGCAEOSIS
Valuation 53 #48 of 100 80 #21 of 100 84 #17 of 100
Growth 68 #32 of 97 50 #49 of 97 67 #33 of 97
Profitability 96 #5 of 96 85 #15 of 96 80 #20 of 96
Financial Health 17 #87 of 105 26 #78 of 105 44 #59 of 105
Shareholder Returns 95 #4 of 65 33 #44 of 65 97 #3 of 65
Overall 66 55 74
  • TDG ranked among 107 companies in Aerospace and Defense
  • CAE ranked among 107 companies in Aerospace and Defense
  • OSIS 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

PeriodTDGCAEOSISSPY
1 month +1.3%+3.5%+1.9% -0.2%
3 months -13.5%-2.4%-8.9% +3.9%
6 months -2.0%+0.7%-30.1% +8.2%
Year to date -15.0%-15.4%-21.2% +12.9%
1 year -16.5%-10.1%-20.9% +12.3%
3 years +38.1%+25.6%+88.8% +87.4%
3 years, per year +11.4%+7.9%+23.6% +23.3%
5 years +79.9%-15.2%+113.5% +67.9%
5 years, per year +12.5%-3.3%+16.4% +10.9%
10 years +319.4%+83.7%+202.8% +261.1%
10 years, per year +15.4%+6.3%+11.7% +13.7%

Risk

MeasureTDGCAEOSISSPY
Volatility, 1Y 27.2%33.3%43.6% 12.7%
Downside volatility, 1Y 29.0%35.6%44.4% 12.7%
Beta vs S&P 500, 1Y 0.750.911.17 1.00
Return / volatility, 1Y -0.61-0.30-0.48 0.97
Max drawdown, 5Y -33.6%-55.0%-37.9% -25.4%
From 52-week high -22.0%-24.4%-35.1% -1.2%
52-week high $1,450.00$34.05$309.68 $779.14
52-week low $1,076.01$23.15$192.30 $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.

MultipleTDGCAEOSIS
P/E now vs peer median 34.0xmedian 26.5x 34.4xmedian 26.5x 21.5xmedian 26.5x
P/S now vs peer median 6.2xmedian 3.0x 2.4xmedian 3.0x 1.8xmedian 3.0x
EV/EBITDA now vs peer median 18.4xmedian 14.6x 12.4xmedian 14.6x 14.5xmedian 14.6x
P/FCF now vs peer median 32.4xmedian 26.4x 28.9xmedian 26.4x 14.1xmedian 26.4x
P/B now vs peer median -6.4xmedian 2.5x 2.1xmedian 2.5x 3.8xmedian 2.5x
PEG now vs peer median 1.61median 0.90 1.38median 0.90 1.15median 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 monthsTDGCAEOSIS
Revenue $10.01B $3.50B $1.79B
Gross profit $5.96B $962.14M $593.09M
Operating income $4.61B $541.06M $218.97M
Net income $2.13B $213.43M $154.71M
Free cash flow $1.93B $286.93M $227.35M
R&D – $93.01M $79.14M
EPS (diluted) $33.29 $0.74 $8.95
Cash & equivalents $2.77B -$400.24M $359.83M
Total debt $33.49B $9.42B $3.45B
Shares (diluted) 57.40M 322.16M 17.28M
Enterprise value $50.59B $8.80B $2.03B

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
MetricTDGCAEOSIS
P/E 34.0x 34.4x 21.5x
P/FCF 32.4x 28.9x 14.1x
P/Operating cash flow 28.4x 14.9x 11.6x
P/S 6.2x 2.4x 1.8x
P/B -6.4x 2.1x 3.8x
P/Tangible book -4.3x 2.1x 5.0x
EV/EBITDA 18.4x 12.4x 14.5x
EV/EBIT 20.2x 20.2x 17.5x
EV/Revenue 9.3x 3.1x 2.1x
EV/FCF 48.4x 38.1x 16.9x
EV/Operating cash flow 42.4x 19.7x 13.9x
PEG (3Y EPS CAGR) 1.61 1.38 1.15

Growth

14 metrics
MetricTDGCAEOSIS
Revenue growth (1Y) 16.6% 6.5% 4.3%
Revenue CAGR (3Y) 17.0% 7.4% 11.8%
Gross profit growth (1Y) 16.9% 10.2% 1.0%
Gross profit CAGR (3Y) 17.9% 6.6% 11.3%
Operating income growth (1Y) 16.7% 21.1% 0.7%
Operating income CAGR (3Y) 19.4% 25.8% 17.4%
Net income growth (1Y) 10.2% -29.4% 3.4%
Net income CAGR (3Y) 22.8% -1.0% 19.0%
EPS growth (1Y) 10.5% 68.8% 2.8%
EPS CAGR (3Y) 21.1% 24.9% 18.8%
Operating cash flow growth (1Y) 4.5% 21.6% 182.7%
Operating cash flow CAGR (3Y) 22.8% 20.3% 42.8%
Free cash flow growth (1Y) 1.1% 43.6% 305.3%
Free cash flow CAGR (3Y) 22.4% 5.9% 53.7%

Profitability

14 metrics
MetricTDGCAEOSIS
Gross margin 59.6% 27.5% 33.2%
EBITDA margin 50.7% 25.1% 14.8%
Operating margin 46.0% 15.4% 12.3%
Pretax margin 27.4% 10.9% 10.8%
Net margin 19.1% 6.9% 8.7%
FCF margin 19.3% 8.2% 12.7%
Operating cash flow margin 22.0% 15.9% 15.4%
Return on equity – 7.9% 17.9%
Return on assets 8.2% 7.6% 6.1%
Return on invested capital 15.5% 7.1% 9.4%
Return on capital employed 19.6% 25.3% 10.9%
Asset turnover 0.4x 0.9x 0.7x
Cash conversion (OCF / net income) 1.0x 2.6x 1.8x
Stock comp / revenue 1.5% 0.6% 1.5%

Financial Health

11 metrics
MetricTDGCAEOSIS
Debt / assets 125.2% 27,956% 40.0%
Debt / equity -3.4x 0.6x 1.2x
Net debt / EBITDA 6.1x 3.0x 2.4x
Debt / FCF 17.4x 7.9x 4.4x
Liabilities / assets 136.7% -47,581% 66.7%
Equity / assets -36.7% 47,681% 33.3%
Interest coverage 2.5x 3.4x 8.3x
Current ratio 3.0x 0.8x 3.2x
Quick ratio 1.9x 0.2x 2.2x
Cash ratio 1.1x -0.2x 0.7x
Altman Z-score 1.72 – 3.16

Shareholder Returns

7 metrics
MetricTDGCAEOSIS
Dividend yield – – –
Net buyback yield 2.7% -0.6% 3.7%
Shareholder yield 2.7% -0.6% 3.7%
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.

ConsensusTDGCAEOSIS
Forward P/E 25.7xFY2026 27.1xFY2026 17.3xFY2027
EPS, next fiscal year $44.01FY2026 $0.95FY2026 $11.62FY2027
EPS growth, next FY +17.9%FY2026 +10.5%FY2026 +12.3%FY2027
EPS growth, the year after +7.9% +5.3% +7.2%
Revenue, next fiscal year $10.01BFY2026 $3.78BFY2026 $1.85BFY2027
Revenue growth, next FY +13.4%FY2026 +7.1%FY2026 +3.5%FY2027
Revenue growth, the year after +24.4% -6.2% +16.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersTDGCAEOSIS
Held by institutions 93.2% 71.8% 100.0%
Institutions holding 1,140 284 366
Change in shares held, QoQ +1.2% +5.1% +0.7%
Institutions buying 584 149 191
Institutions selling 367 96 134
Buyers to sellers 1.59 1.55 1.43

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.

TDGCAEOSIS
TDG 1.00 0.35 0.15
CAE 0.35 1.00 0.12
OSIS 0.15 0.12 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, TDG, CAE and OSIS?

TransDigm (TDG) is the largest by market capitalisation: TransDigm (TDG) $62.50B, Cae (CAE) $8.28B, Osi Systems (OSIS) $3.20B.

Which stock is cheaper, TDG, CAE and OSIS?

Osi Systems (OSIS) trades on the lowest price-to-earnings ratio (TransDigm (TDG) 34.0x, Cae (CAE) 34.4x, Osi Systems (OSIS) 21.5x). On next year's consensus earnings, Osi Systems (OSIS) is cheapest (TransDigm (TDG) 25.7x, Cae (CAE) 27.1x, Osi Systems (OSIS) 17.3x). 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: TransDigm (TDG) +16.6%, Cae (CAE) +6.5%, Osi Systems (OSIS) +4.3%.

Which company is more profitable?

TransDigm (TDG) has the highest net margin (TransDigm (TDG) 19.1%, Cae (CAE) 6.9%, Osi Systems (OSIS) 8.7%). On return on invested capital, TransDigm (TDG) leads (TransDigm (TDG) 15.5%, Cae (CAE) 7.1%, Osi Systems (OSIS) 9.4%).

Which stock has performed better?

Over the past year Cae (CAE) returned the most: TransDigm (TDG) -16.5%, Cae (CAE) -10.1%, Osi Systems (OSIS) -20.9%. Over five years, Osi Systems (OSIS) compounded fastest (TransDigm (TDG) +12.5%/yr, Cae (CAE) -3.3%/yr, Osi Systems (OSIS) +16.4%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, TransDigm (TDG) has been the steadiest (TransDigm (TDG) 27.2%, Cae (CAE) 33.3%, Osi Systems (OSIS) 43.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, TDG, CAE and OSIS?

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 5. 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.