HEI vs TDG vs WWD Stock Comparison

Heico, TransDigm and Woodward Prices as of Oct 27, 2026 Peers: Industry group
HEI Heico Corp
$308.73 +0.1% 1M -2.3% 1Y
Market cap
$43.67B
P/E
51.5x
Revenue (TTM)
$5.18B
Div. yield
0.00%
Commercial Aerospace Industrials
TDG TransDigm Group INC
$1,130.73 +1.3% 1M -16.5% 1Y
Market cap
$65.75B
P/E
34.4x
Revenue (TTM)
$10.01B
Div. yield
–
Commercial Aerospace Industrials
5 wins
WWD Woodward, Inc.
$304.00 -8.0% 1M +14.1% 1Y
Market cap
$18.17B
P/E
32.9x
Revenue (TTM)
$4.19B
Div. yield
0.00%
Commercial Aerospace Industrials
7 wins

Head to Head

12 decided of 12

Woodward leads on 7 of the 12 questions below (Woodward 7, TransDigm 5). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionHEITDGWWDLeader
Larger companyMarket capitalisation $43.67B $65.75B $18.17B TDG
Cheaper on earningsLower P/E, profitable companies only 51.5x 34.4x 32.9x WWD
Cheaper on forward earningsLower price / next fiscal year consensus EPS 50.8x 25.7x 31.3x TDG
Faster revenue growthRevenue growth, trailing twelve months +20.7% +16.6% +22.3% WWD
More profitableNet margin, trailing twelve months 16.4% 19.1% 13.2% TDG
Better return on capitalReturn on invested capital 13.5% 15.5% 14.1% TDG
Less leveragedLower net debt / EBITDA 1.6x 6.1x 1.1x WWD
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% WWD
Better 1-year returnPrice return, last 12 months -2.3% -16.5% +14.1% WWD
Better 5-year returnAnnualised price return, 5 years +17.0%/yr +12.5%/yr +22.0%/yr WWD
Less volatileAnnualised volatility, 1 year 32.4% 27.2% 38.4% TDG
Higher overall scoreMean of the five percentile scores vs peers 67/100 66/100 72/100 WWD

Percentile Scorecard

HEITDGWWD

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

AxisHEITDGWWD
Valuation 35 #65 of 100 53 #48 of 100 49 #52 of 100
Growth 80 #20 of 97 68 #32 of 97 89 #12 of 97
Profitability 94 #7 of 96 96 #5 of 96 87 #13 of 96
Financial Health 60 #43 of 105 17 #87 of 105 56 #47 of 105
Shareholder Returns 66 #23 of 65 95 #4 of 65 81 #13 of 65
Overall 67 66 72
  • HEI ranked among 107 companies in Aerospace and Defense
  • TDG ranked among 107 companies in Aerospace and Defense
  • WWD 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

PeriodHEITDGWWDSPY
1 month +0.1%+1.3%-8.0% -0.2%
3 months -15.1%-13.5%-26.0% +3.9%
6 months +17.0%-2.0%-16.5% +8.2%
Year to date -4.6%-15.0%+0.6% +12.9%
1 year -2.3%-16.5%+14.1% +12.3%
3 years +96.2%+38.1%+154.5% +87.4%
3 years, per year +25.2%+11.4%+36.6% +23.3%
5 years +119.5%+79.9%+170.5% +67.9%
5 years, per year +17.0%+12.5%+22.0% +10.9%
10 years +797.2%+319.4%+420.4% +261.1%
10 years, per year +24.5%+15.4%+17.9% +13.7%

Risk

MeasureHEITDGWWDSPY
Volatility, 1Y 32.4%27.2%38.4% 12.7%
Downside volatility, 1Y 31.2%29.0%34.0% 12.7%
Beta vs S&P 500, 1Y 1.140.751.28 1.00
Return / volatility, 1Y -0.07-0.610.37 0.97
Max drawdown, 5Y -27.1%-33.6%-37.5% -25.4%
From 52-week high -17.6%-22.0%-30.3% -1.2%
52-week high $374.67$1,450.00$436.44 $779.14
52-week low $260.99$1,076.01$257.64 $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.

MultipleHEITDGWWD
P/E now vs peer median 50.9xmedian 26.5x 34.0xmedian 26.5x 32.7xmedian 26.5x
P/S now vs peer median 8.3xmedian 3.0x 6.2xmedian 3.0x 4.3xmedian 3.0x
EV/EBITDA now vs peer median 31.1xmedian 14.6x 18.4xmedian 14.6x 24.3xmedian 14.6x
P/FCF now vs peer median 41.9xmedian 26.4x 32.4xmedian 26.4x 47.7xmedian 26.4x
P/B now vs peer median 8.6xmedian 2.5x -6.4xmedian 2.5x 7.3xmedian 2.5x
PEG now vs peer median 1.82median 0.90 1.61median 0.90 0.82median 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 monthsHEITDGWWD
Revenue $5.18B $10.01B $4.19B
Gross profit $2.09B $5.96B $1.24B
Operating income $1.24B $4.61B $655.75M
Net income $912.35M $2.13B $552.03M
Free cash flow $1.03B $1.93B $376.53M
R&D – – $172.23M
EPS (diluted) $6.00 $33.29 $9.05
Cash & equivalents $240.96M $2.77B $474.85M
Total debt $2.54B $33.49B $1.34B
Shares (diluted) 141.27M 57.40M 61.02M
Enterprise value $42.74B $53.76B $16.41B

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
MetricHEITDGWWD
P/E 50.9x 34.0x 32.7x
P/FCF 41.9x 32.4x 47.7x
P/Operating cash flow 38.8x 28.4x 30.7x
P/S 8.3x 6.2x 4.3x
P/B 8.6x -6.4x 7.3x
P/Tangible book 13.3x -4.3x 8.9x
EV/EBITDA 31.1x 18.4x 24.3x
EV/EBIT 36.5x 20.2x 28.7x
EV/Revenue 8.8x 9.3x 4.5x
EV/FCF 44.1x 48.4x 50.0x
EV/Operating cash flow 40.9x 42.4x 32.2x
PEG (3Y EPS CAGR) 1.82 1.61 0.82

Growth

14 metrics
MetricHEITDGWWD
Revenue growth (1Y) 20.7% 16.6% 22.3%
Revenue CAGR (3Y) 25.1% 17.0% 14.7%
Gross profit growth (1Y) 23.4% 16.9% 39.3%
Gross profit CAGR (3Y) 26.7% 17.9% 25.5%
Operating income growth (1Y) 29.8% 16.7% 54.9%
Operating income CAGR (3Y) 28.8% 19.4% 40.8%
Net income growth (1Y) 31.5% 10.2% 42.4%
Net income CAGR (3Y) 27.4% 22.8% 39.4%
EPS growth (1Y) 31.8% 10.5% 43.5%
EPS CAGR (3Y) 27.9% 21.1% 39.8%
Operating cash flow growth (1Y) 31.6% 4.5% 54.1%
Operating cash flow CAGR (3Y) 35.7% 22.8% 30.5%
Free cash flow growth (1Y) 31.7% 1.1% 35.9%
Free cash flow CAGR (3Y) 36.8% 22.4% 25.5%

Profitability

14 metrics
MetricHEITDGWWD
Gross margin 40.4% 59.6% 29.5%
EBITDA margin 28.2% 50.7% 18.5%
Operating margin 24.0% 46.0% 15.6%
Pretax margin 21.6% 27.4% 16.5%
Net margin 16.4% 19.1% 13.2%
FCF margin 19.9% 19.3% 9.0%
Operating cash flow margin 21.5% 22.0% 14.0%
Return on equity 18.5% – 22.1%
Return on assets 9.3% 8.2% 10.9%
Return on invested capital 13.5% 15.5% 14.1%
Return on capital employed 14.2% 19.6% 17.9%
Asset turnover 0.5x 0.4x 0.8x
Cash conversion (OCF / net income) 1.2x 1.0x 1.1x
Stock comp / revenue 1.0% 1.5% 1.2%

Financial Health

11 metrics
MetricHEITDGWWD
Debt / assets 25.6% 125.2% 25.8%
Debt / equity 0.5x -3.4x 0.5x
Net debt / EBITDA 1.6x 6.1x 1.1x
Debt / FCF 2.5x 17.4x 3.6x
Liabilities / assets 49.4% 136.7% 52.4%
Equity / assets 50.6% -36.7% 47.6%
Interest coverage 9.4x 2.5x 13.8x
Current ratio 2.7x 3.0x 1.6x
Quick ratio 1.0x 1.9x 1.3x
Cash ratio 0.2x 1.1x 0.3x
Altman Z-score 7.01 1.72 6.46

Shareholder Returns

7 metrics
MetricHEITDGWWD
Dividend yield 0.1% – 0.4%
Net buyback yield 0.0% 2.7% 3.0%
Shareholder yield 0.1% 2.7% 3.4%
Payout ratio (earnings) 3.8% – 13.0%
Payout ratio (FCF) 3.4% – 19.0%
Dividend growth (1Y) 9.1% – 13.7%
Dividend CAGR (3Y) 8.4% – 13.4%

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.

ConsensusHEITDGWWD
Forward P/E 50.8xFY2026 25.7xFY2026 31.3xFY2026
EPS, next fiscal year $6.08FY2026 $44.01FY2026 $9.72FY2026
EPS growth, next FY +24.1%FY2026 +17.9%FY2026 +41.1%FY2026
EPS growth, the year after +20.6% +7.9% +15.8%
Revenue, next fiscal year $5.68BFY2026 $10.01BFY2026 $4.04BFY2026
Revenue growth, next FY +26.6%FY2026 +13.4%FY2026 +13.3%FY2026
Revenue growth, the year after +10.4% +24.4% +13.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersHEITDGWWD
Held by institutions 78.3% 93.2% 90.3%
Institutions holding 772 1,140 758
Change in shares held, QoQ +7.4% +1.2% +3.3%
Institutions buying 371 584 386
Institutions selling 267 367 256
Buyers to sellers 1.39 1.59 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.

HEITDGWWD
HEI 1.00 0.53 0.53
TDG 0.53 1.00 0.33
WWD 0.53 0.33 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, HEI, TDG and WWD?

TransDigm (TDG) is the largest by market capitalisation: Heico (HEI) $43.67B, TransDigm (TDG) $65.75B, Woodward (WWD) $18.17B.

Which stock is cheaper, HEI, TDG and WWD?

Woodward (WWD) trades on the lowest price-to-earnings ratio (Heico (HEI) 51.5x, TransDigm (TDG) 34.4x, Woodward (WWD) 32.9x). On next year's consensus earnings, TransDigm (TDG) is cheapest (Heico (HEI) 50.8x, TransDigm (TDG) 25.7x, Woodward (WWD) 31.3x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Woodward (WWD) grew revenue fastest over the trailing twelve months: Heico (HEI) +20.7%, TransDigm (TDG) +16.6%, Woodward (WWD) +22.3%.

Which company is more profitable?

TransDigm (TDG) has the highest net margin (Heico (HEI) 16.4%, TransDigm (TDG) 19.1%, Woodward (WWD) 13.2%). On return on invested capital, TransDigm (TDG) leads (Heico (HEI) 13.5%, TransDigm (TDG) 15.5%, Woodward (WWD) 14.1%).

Which stock has performed better?

Over the past year Woodward (WWD) returned the most: Heico (HEI) -2.3%, TransDigm (TDG) -16.5%, Woodward (WWD) +14.1%. Over five years, Woodward (WWD) compounded fastest (Heico (HEI) +17.0%/yr, TransDigm (TDG) +12.5%/yr, Woodward (WWD) +22.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Woodward (WWD) has the highest dividend yield: Heico (HEI) 0.00%, TransDigm (TDG) 0.00%, Woodward (WWD) 0.00%. TransDigm (TDG) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, TransDigm (TDG) has been the steadiest (Heico (HEI) 32.4%, TransDigm (TDG) 27.2%, Woodward (WWD) 38.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, HEI, TDG and WWD?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Woodward (WWD) leads on 7. 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.