TDG vs ST vs AER Stock Comparison

TransDigm, Sensata Technologies Holding and AerCap Holdings Prices as of Oct 29, 2026 Peers: Industry group
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TDG TransDigm Group INC
$1,176.47 +7.0% 1M -10.6% 1Y
Market cap
$65.91B
P/E
34.5x
Revenue (TTM)
$10.01B
Div. yield
–
Commercial Aerospace Industrials
4 wins
AER AerCap Holdings N.V.
$159.76 +10.1% 1M +21.4% 1Y
Market cap
$27.22B
P/E
8.7x
Revenue (TTM)
$9.07B
Div. yield
0.01%
Commercial Aerospace Industrials
5 wins

Head to Head

11 decided of 12

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

QuestionTDGSTAERLeader
Larger companyMarket capitalisation $65.91B $5.81B $27.22B TDG
Cheaper on earningsLower P/E, profitable companies only 34.5x 15.9x 8.7x AER
Cheaper on forward earningsLower price / next fiscal year consensus EPS 26.7x 11.5x 8.9x AER
Faster revenue growthRevenue growth, trailing twelve months +16.6% +4.1% +8.7% TDG
More profitableNet margin, trailing twelve months 19.1% 9.5% 34.5% AER
Better return on capitalReturn on invested capital 15.5% 8.2% 7.0% TDG
Less leveragedLower net debt / EBITDA 6.1x 2.3x 5.8x ST
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.01% –
Better 1-year returnPrice return, last 12 months -10.6% +26.6% +21.4% ST
Better 5-year returnAnnualised price return, 5 years +13.5%/yr -5.6%/yr +22.0%/yr AER
Less volatileAnnualised volatility, 1 year 27.3% 39.5% 25.9% AER
Higher overall scoreMean of the five percentile scores vs peers 65/100 64/100 64/100 TDG

Percentile Scorecard

TDGSTAER

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

AxisTDGSTAER
Valuation 53 #48 of 100 88 #26 of 203 96 #5 of 100
Growth 65 #34 of 96 71 #55 of 188 41 #57 of 96
Profitability 95 #6 of 95 70 #55 of 183 86 #14 of 95
Financial Health 17 #87 of 105 42 #125 of 216 6 #99 of 105
Shareholder Returns 95 #4 of 65 50 #76 of 152 89 #8 of 65
Overall 65 64 64
  • TDG ranked among 107 companies in Aerospace and Defense
  • ST ranked among 222 companies in Machinery
  • AER 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

PeriodTDGSTAERSPY
1 month +7.0%-1.4%+10.1% +0.7%
3 months -5.9%-13.9%+4.5% +3.7%
6 months +1.4%-0.8%+12.3% +7.1%
Year to date -11.5%+24.1%+11.1% +12.8%
1 year -10.6%+26.6%+21.4% +11.9%
3 years +43.5%+21.1%+161.0% +85.2%
3 years, per year +12.8%+6.6%+37.7% +22.8%
5 years +88.6%-25.0%+170.6% +67.6%
5 years, per year +13.5%-5.6%+22.0% +10.9%
10 years +333.1%+14.7%+289.8% +262.0%
10 years, per year +15.8%+1.4%+14.6% +13.7%

Risk

MeasureTDGSTAERSPY
Volatility, 1Y 27.3%39.5%25.9% 12.7%
Downside volatility, 1Y 29.1%37.0%25.8% 12.6%
Beta vs S&P 500, 1Y 0.741.920.97 1.00
Return / volatility, 1Y -0.390.670.83 0.94
Max drawdown, 5Y -33.6%-72.8%-45.1% -25.4%
From 52-week high -18.9%-22.9%0.0% -1.2%
52-week high $1,450.00$53.55$159.76 $779.14
52-week low $1,076.01$28.53$130.24 $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.

MultipleTDGSTAER
P/E now vs peer median 35.3xmedian 26.9x 16.4xmedian 25.8x 8.8xmedian 26.9x
P/S now vs peer median 6.5xmedian 3.0x 1.6xmedian 1.9x 2.9xmedian 3.0x
EV/EBITDA now vs peer median 18.9xmedian 15.0x 9.8xmedian 14.6x 9.6xmedian 15.0x
P/FCF now vs peer median 33.7xmedian 27.2x 9.4xmedian 22.2x 8.9xmedian 27.2x
P/B now vs peer median -6.6xmedian 2.5x 2.0xmedian 2.2x 1.4xmedian 2.5x
PEG now vs peer median 1.67median 0.93 2.39median 1.45 0.46median 0.93

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 monthsTDGSTAER
Revenue $10.01B $3.85B $9.07B
Gross profit $5.96B $1.19B –
Operating income $4.61B $582.40M –
Net income $2.13B $366.60M $3.13B
Free cash flow $1.93B $641.20M $3.00B
R&D – $128.60M –
EPS (diluted) $33.29 $2.49 $17.75
Cash & equivalents $2.77B $553.40M $2.53B
Total debt $33.49B $2.40B $43.27B
Shares (diluted) 57.40M 147.00M 176.12M
Enterprise value $53.91B $3.65B $20.15B

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
MetricTDGSTAER
P/E 35.3x 16.4x 8.8x
P/FCF 33.7x 9.4x 8.9x
P/Operating cash flow 29.6x 7.9x 4.5x
P/S 6.5x 1.6x 2.9x
P/B -6.6x 2.0x 1.4x
P/Tangible book -4.5x 2.2x 1.4x
EV/EBITDA 18.9x 9.8x 9.6x
EV/EBIT 20.8x 13.5x 15.8x
EV/Revenue 9.6x 2.0x 7.4x
EV/FCF 49.7x 12.3x 22.5x
EV/Operating cash flow 43.6x 10.3x 11.3x
PEG (3Y EPS CAGR) 1.67 2.39 0.46

Growth

14 metrics
MetricTDGSTAER
Revenue growth (1Y) 16.6% 4.1% 8.7%
Revenue CAGR (3Y) 17.0% -1.9% 6.5%
Gross profit growth (1Y) 16.9% 11.4% –
Gross profit CAGR (3Y) 17.9% -3.3% –
Operating income growth (1Y) 16.7% 175.8% –
Operating income CAGR (3Y) 19.4% 2.8% –
Net income growth (1Y) 10.2% 1,505% -17.5%
Net income CAGR (3Y) 22.8% 5.6% 7.2%
EPS growth (1Y) 10.5% 1,492% -8.9%
EPS CAGR (3Y) 21.1% 6.9% 19.1%
Operating cash flow growth (1Y) 4.5% 28.5% 8.9%
Operating cash flow CAGR (3Y) 22.8% 9.6% 3.2%
Free cash flow growth (1Y) 1.1% 34.4% 417.1%
Free cash flow CAGR (3Y) 22.4% 17.0% 3.8%

Profitability

14 metrics
MetricTDGSTAER
Gross margin 59.6% 30.8% –
EBITDA margin 50.7% 20.9% 77.4%
Operating margin 46.0% 15.1% –
Pretax margin 27.4% 12.4% 26.4%
Net margin 19.1% 9.5% 34.5%
FCF margin 19.3% 16.7% 33.1%
Operating cash flow margin 22.0% 19.7% 65.5%
Return on equity – 12.2% 16.9%
Return on assets 8.2% 5.5% 4.4%
Return on invested capital 15.5% 8.2% 7.0%
Return on capital employed 19.6% 10.0% –
Asset turnover 0.4x 0.6x 0.1x
Cash conversion (OCF / net income) 1.0x 2.1x 1.9x
Stock comp / revenue 1.5% 0.8% 1.4%

Financial Health

11 metrics
MetricTDGSTAER
Debt / assets 125.2% 35.8% 60.0%
Debt / equity -3.4x 0.8x 2.3x
Net debt / EBITDA 6.1x 2.3x 5.8x
Debt / FCF 17.4x 3.7x 14.4x
Liabilities / assets 136.7% 54.1% 74.2%
Equity / assets -36.7% 45.9% 25.8%
Interest coverage 2.5x 4.4x 2.3x
Current ratio 3.0x 2.4x –
Quick ratio 1.9x 1.5x –
Cash ratio 1.1x 0.7x –
Altman Z-score 1.77 2.60 –

Shareholder Returns

7 metrics
MetricTDGSTAER
Dividend yield – 1.2% 0.9%
Net buyback yield 2.6% 0.4% –
Shareholder yield 2.6% 1.6% 0.9%
Payout ratio (earnings) – – 4.7%
Payout ratio (FCF) – – 4.9%
Dividend growth (1Y) – – 68.0%
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.

ConsensusTDGSTAER
Forward P/E 26.7xFY2026 11.5xFY2026 8.9xFY2026
EPS, next fiscal year $44.01FY2026 $3.60FY2026 $17.95FY2026
EPS growth, next FY +17.9%FY2026 +5.3%FY2026 +16.8%FY2026
EPS growth, the year after +7.9% +19.7% +4.0%
Revenue, next fiscal year $10.01BFY2026 $3.79BFY2026 $9.14BFY2026
Revenue growth, next FY +13.4%FY2026 +2.3%FY2026 +7.3%FY2026
Revenue growth, the year after +24.4% +1.1% -1.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersTDGSTAER
Held by institutions 93.2% 100.0% 78.7%
Institutions holding 1,141 468 690
Change in shares held, QoQ +1.2% +1.1% -5.5%
Institutions buying 585 266 360
Institutions selling 367 149 238
Buyers to sellers 1.59 1.79 1.51

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.

TDGSTAER
TDG 1.00 0.24 0.44
ST 0.24 1.00 0.43
AER 0.44 0.43 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, TDG, ST and AER?

TransDigm (TDG) is the largest by market capitalisation: TransDigm (TDG) $65.91B, Sensata Technologies Holding (ST) $5.81B, AerCap Holdings (AER) $27.22B.

Which stock is cheaper, TDG, ST and AER?

AerCap Holdings (AER) trades on the lowest price-to-earnings ratio (TransDigm (TDG) 34.5x, Sensata Technologies Holding (ST) 15.9x, AerCap Holdings (AER) 8.7x). On next year's consensus earnings, AerCap Holdings (AER) is cheapest (TransDigm (TDG) 26.7x, Sensata Technologies Holding (ST) 11.5x, AerCap Holdings (AER) 8.9x). 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) +4.1%, AerCap Holdings (AER) +8.7%.

Which company is more profitable?

AerCap Holdings (AER) has the highest net margin (TransDigm (TDG) 19.1%, Sensata Technologies Holding (ST) 9.5%, AerCap Holdings (AER) 34.5%). On return on invested capital, TransDigm (TDG) leads (TransDigm (TDG) 15.5%, Sensata Technologies Holding (ST) 8.2%, AerCap Holdings (AER) 7.0%).

Which stock has performed better?

Over the past year Sensata Technologies Holding (ST) returned the most: TransDigm (TDG) -10.6%, Sensata Technologies Holding (ST) +26.6%, AerCap Holdings (AER) +21.4%. Over five years, AerCap Holdings (AER) compounded fastest (TransDigm (TDG) +13.5%/yr, Sensata Technologies Holding (ST) -5.6%/yr, AerCap Holdings (AER) +22.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: TransDigm (TDG) 0.00%, Sensata Technologies Holding (ST) 0.00%, AerCap Holdings (AER) 0.01%. TransDigm (TDG) and Sensata Technologies Holding (ST) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, AerCap Holdings (AER) has been the steadiest (TransDigm (TDG) 27.3%, Sensata Technologies Holding (ST) 39.5%, AerCap Holdings (AER) 25.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, TDG, ST and AER?

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