TDG vs ST vs OSIS Stock Comparison

TransDigm, Sensata Technologies Holding and Osi Systems Prices as of Oct 26, 2026 Peers: Industry group
TDG TransDigm Group INC
$1,129.53 +1.2% 1M -16.9% 1Y
Market cap
$64.56B
P/E
33.8x
Revenue (TTM)
$10.01B
Div. yield
–
Commercial Aerospace Industrials
5 wins
OSIS Osi Systems Inc
$198.09 +0.4% 1M -21.1% 1Y
Market cap
$3.32B
P/E
21.4x
Revenue (TTM)
$1.79B
Div. yield
–
Defense Industrials
4 wins

Head to Head

11 decided of 12

TransDigm leads on 5 of the 12 questions below (TransDigm 5, Osi Systems 4, Sensata Technologies Holding 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionTDGSTOSISLeader
Larger companyMarket capitalisation $64.56B $6.09B $3.32B TDG
Cheaper on earningsLower P/E, profitable companies only 33.8x 67.8x 21.4x OSIS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 25.7x 11.3x 17.0x ST
Faster revenue growthRevenue growth, trailing twelve months +16.6% +0.8% +4.3% TDG
More profitableNet margin, trailing twelve months 19.1% 2.4% 8.7% TDG
Better return on capitalReturn on invested capital 15.5% 2.6% 9.4% TDG
Less leveragedLower net debt / EBITDA 6.1x 3.8x 2.4x OSIS
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -16.9% +27.6% -21.1% ST
Better 5-year returnAnnualised price return, 5 years +12.4%/yr -5.8%/yr +15.9%/yr OSIS
Less volatileAnnualised volatility, 1 year 27.2% 39.7% 43.6% TDG
Higher overall scoreMean of the five percentile scores vs peers 66/100 48/100 75/100 OSIS

Percentile Scorecard

TDGSTOSIS

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

AxisTDGSTOSIS
Valuation 54 #47 of 100 77 #47 of 203 87 #14 of 100
Growth 68 #32 of 97 31 #130 of 187 67 #33 of 97
Profitability 96 #5 of 96 47 #98 of 185 79 #21 of 96
Financial Health 17 #87 of 105 35 #142 of 219 44 #59 of 105
Shareholder Returns 95 #4 of 64 47 #81 of 153 98 #2 of 64
Overall 66 48 75
  • TDG ranked among 107 companies in Aerospace and Defense
  • ST ranked among 222 companies in Machinery
  • 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

PeriodTDGSTOSISSPY
1 month +1.2%-3.6%+0.4% -0.8%
3 months -12.2%-12.3%-8.8% +3.5%
6 months -2.5%-3.7%-32.0% +7.0%
Year to date -15.1%+22.2%-22.3% +12.2%
1 year -16.9%+27.6%-21.1% +13.0%
3 years +37.9%+18.6%+86.2% +86.3%
3 years, per year +11.3%+5.9%+23.0% +23.1%
5 years +79.5%-25.7%+109.0% +68.6%
5 years, per year +12.4%-5.8%+15.9% +11.0%
10 years +316.7%+9.0%+197.5% +258.0%
10 years, per year +15.3%+0.9%+11.5% +13.6%

Risk

MeasureTDGSTOSISSPY
Volatility, 1Y 27.2%39.7%43.6% 12.7%
Downside volatility, 1Y 29.0%36.8%44.4% 12.7%
Beta vs S&P 500, 1Y 0.751.921.17 1.00
Return / volatility, 1Y -0.620.70-0.48 1.02
Max drawdown, 5Y -33.6%-72.8%-37.9% -25.4%
From 52-week high -22.1%-24.0%-36.0% -1.8%
52-week high $1,450.00$53.55$309.68 $779.14
52-week low $1,076.01$28.53$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.

MultipleTDGSTOSIS
P/E now vs peer median 33.9xmedian 26.8x 65.8xmedian 26.0x 21.2xmedian 26.8x
P/S now vs peer median 6.2xmedian 2.9x 1.6xmedian 1.9x 1.8xmedian 2.9x
EV/EBITDA now vs peer median 18.4xmedian 15.2x 15.0xmedian 14.0x 14.3xmedian 15.2x
P/FCF now vs peer median 32.4xmedian 25.5x 10.2xmedian 21.4x 13.9xmedian 25.5x
P/B now vs peer median -6.4xmedian 2.5x 2.0xmedian 2.2x 3.8xmedian 2.5x
PEG now vs peer median 1.60median 0.94 -1.74median 1.26 1.13median 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 monthsTDGSTOSIS
Revenue $10.01B $3.78B $1.79B
Gross profit $5.96B $1.11B $593.09M
Operating income $4.61B $284.24M $218.97M
Net income $2.13B $89.91M $154.71M
Free cash flow $1.93B $579.20M $227.35M
R&D – $128.20M $79.14M
EPS (diluted) $33.29 $0.61 $8.95
Cash & equivalents $2.77B $403.30M $359.83M
Total debt $33.49B $11.62B $3.45B
Shares (diluted) 57.40M 146.70M 17.28M
Enterprise value $52.57B $3.69B $2.15B

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
MetricTDGSTOSIS
P/E 33.9x 65.8x 21.2x
P/FCF 32.4x 10.2x 13.9x
P/Operating cash flow 28.4x 8.5x 11.4x
P/S 6.2x 1.6x 1.8x
P/B -6.4x 2.0x 3.8x
P/Tangible book -4.3x 2.3x 4.9x
EV/EBITDA 18.4x 15.0x 14.3x
EV/EBIT 20.2x 28.0x 17.3x
EV/Revenue 9.3x 2.1x 2.1x
EV/FCF 48.3x 13.7x 16.7x
EV/Operating cash flow 42.4x 11.5x 13.8x
PEG (3Y EPS CAGR) 1.60 -1.74 1.13

Growth

14 metrics
MetricTDGSTOSIS
Revenue growth (1Y) 16.6% 0.8% 4.3%
Revenue CAGR (3Y) 17.0% -2.7% 11.8%
Gross profit growth (1Y) 16.9% 2.5% 1.0%
Gross profit CAGR (3Y) 17.9% -5.6% 11.3%
Operating income growth (1Y) 16.7% 110.8% 0.7%
Operating income CAGR (3Y) 19.4% -24.9% 17.4%
Net income growth (1Y) 10.2% -19.3% 3.4%
Net income CAGR (3Y) 22.8% -38.6% 19.0%
EPS growth (1Y) 10.5% -19.4% 2.8%
EPS CAGR (3Y) 21.1% -37.8% 18.8%
Operating cash flow growth (1Y) 4.5% 23.5% 182.7%
Operating cash flow CAGR (3Y) 22.8% 9.3% 42.8%
Free cash flow growth (1Y) 1.1% 34.0% 305.3%
Free cash flow CAGR (3Y) 22.4% 16.0% 53.7%

Profitability

14 metrics
MetricTDGSTOSIS
Gross margin 59.6% 29.5% 33.2%
EBITDA margin 50.7% 14.0% 14.8%
Operating margin 46.0% 7.5% 12.3%
Pretax margin 27.4% 4.6% 10.8%
Net margin 19.1% 2.4% 8.7%
FCF margin 19.3% 15.3% 12.7%
Operating cash flow margin 22.0% 18.4% 15.4%
Return on equity – 3.1% 17.9%
Return on assets 8.2% 1.3% 6.1%
Return on invested capital 15.5% 2.6% 9.4%
Return on capital employed 19.6% 4.8% 10.9%
Asset turnover 0.4x 0.6x 0.7x
Cash conversion (OCF / net income) 1.0x 7.7x 1.8x
Stock comp / revenue 1.5% 0.7% 1.5%

Financial Health

11 metrics
MetricTDGSTOSIS
Debt / assets 125.2% 36.9% 40.0%
Debt / equity -3.4x 0.8x 1.2x
Net debt / EBITDA 6.1x 3.8x 2.4x
Debt / FCF 17.4x 4.2x 4.4x
Liabilities / assets 136.7% 55.1% 66.7%
Equity / assets -36.7% 44.9% 33.3%
Interest coverage 2.5x 2.0x 8.3x
Current ratio 3.0x 2.3x 3.2x
Quick ratio 1.9x 1.4x 2.2x
Cash ratio 1.1x 0.5x 0.7x
Altman Z-score 1.72 2.41 3.14

Shareholder Returns

7 metrics
MetricTDGSTOSIS
Dividend yield – 1.2% –
Net buyback yield 2.7% 0.4% 3.7%
Shareholder yield 2.7% 1.6% 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.

ConsensusTDGSTOSIS
Forward P/E 25.7xFY2026 11.3xFY2026 17.0xFY2027
EPS, next fiscal year $44.01FY2026 $3.60FY2026 $11.62FY2027
EPS growth, next FY +17.9%FY2026 +5.3%FY2026 +12.3%FY2027
EPS growth, the year after +7.9% +19.7% +7.2%
Revenue, next fiscal year $10.01BFY2026 $3.79BFY2026 $1.85BFY2027
Revenue growth, next FY +13.4%FY2026 +2.3%FY2026 +3.5%FY2027
Revenue growth, the year after +24.4% +1.1% +16.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersTDGSTOSIS
Held by institutions 93.2% 100.0% 100.0%
Institutions holding 1,140 467 366
Change in shares held, QoQ +1.2% +1.1% +0.7%
Institutions buying 584 265 191
Institutions selling 367 149 134
Buyers to sellers 1.59 1.78 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.

TDGSTOSIS
TDG 1.00 0.24 0.15
ST 0.24 1.00 0.24
OSIS 0.15 0.24 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, TDG, ST and OSIS?

TransDigm (TDG) is the largest by market capitalisation: TransDigm (TDG) $64.56B, Sensata Technologies Holding (ST) $6.09B, Osi Systems (OSIS) $3.32B.

Which stock is cheaper, TDG, ST and OSIS?

Osi Systems (OSIS) trades on the lowest price-to-earnings ratio (TransDigm (TDG) 33.8x, Sensata Technologies Holding (ST) 67.8x, Osi Systems (OSIS) 21.4x). On next year's consensus earnings, Sensata Technologies Holding (ST) is cheapest (TransDigm (TDG) 25.7x, Sensata Technologies Holding (ST) 11.3x, Osi Systems (OSIS) 17.0x). 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%, Sensata Technologies Holding (ST) +0.8%, Osi Systems (OSIS) +4.3%.

Which company is more profitable?

TransDigm (TDG) has the highest net margin (TransDigm (TDG) 19.1%, Sensata Technologies Holding (ST) 2.4%, Osi Systems (OSIS) 8.7%). On return on invested capital, TransDigm (TDG) leads (TransDigm (TDG) 15.5%, Sensata Technologies Holding (ST) 2.6%, Osi Systems (OSIS) 9.4%).

Which stock has performed better?

Over the past year Sensata Technologies Holding (ST) returned the most: TransDigm (TDG) -16.9%, Sensata Technologies Holding (ST) +27.6%, Osi Systems (OSIS) -21.1%. Over five years, Osi Systems (OSIS) compounded fastest (TransDigm (TDG) +12.4%/yr, Sensata Technologies Holding (ST) -5.8%/yr, Osi Systems (OSIS) +15.9%/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%, Sensata Technologies Holding (ST) 39.7%, Osi Systems (OSIS) 43.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, TDG, ST 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.