TDG vs. WAB: TransDigm vs. Wabtec Stock Comparison

November 11, 2026

How do TransDigm (TDG) and Wabtec (WAB) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

TransDigm (TDG) and Wabtec (WAB) both fall under the Capital Goods industry group, but TDG is classified in Aerospace & Defense while WAB is classified in Machinery.

Company profile comparison for TransDigm (TDG) and Wabtec (WAB)
Profile Item	TDG	WAB
Name	TransDigm Group Inc.	Wabtec Corporation
Country/Region	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Aerospace & Defense	Machinery
GICS Sub-Industry	Aerospace & Defense	Construction Machinery & Heavy Transportation Equipment
Market Capitalization	66.17 billion USD	47.59 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	March 15, 2006	June 16, 1995
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

TDG

WAB

GSPC

TransDigm (TDG) vs. Wabtec (WAB), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for TransDigm (TDG) and Wabtec (WAB). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for TransDigm (TDG) and Wabtec (WAB). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for TransDigm (TDG) and Wabtec (WAB)
Metric	TDG	WAB
Total Return (1Y)	-3.42%	44.64%
Total Return (3Y, Annualized)	14.26%	39.37%
Total Return (5Y, Annualized)	16.86%	25.90%

Risk Profile

Drawdown History

TDG

WAB

GSPC

TransDigm (TDG) vs. Wabtec (WAB), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for TransDigm (TDG) and Wabtec (WAB). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for TransDigm (TDG) and Wabtec (WAB)
Metric	TDG	WAB
Volatility (1Y, Annualized)	28.03%	27.53%
Beta (5Y)	0.94	0.91
Max Drawdown (5Y)	-29.05%	-23.55%
Avg. Volume (3M)	369.72K	890.96K

Risk-Adjusted Performance

Risk-Return Positioning

TDG and WAB are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for TransDigm (TDG) and Wabtec (WAB)
Metric	TDG	WAB
Sharpe Ratio (1Y)	-0.27	1.47
Sortino Ratio (1Y)	-0.38	2.34

Profitability

ROE (TTM)

Capital efficiency shows on one side only: Wabtec (WAB) earns 12.24% on shareholders’ equity, ranked against its industry; TransDigm (TDG) has no ROE this period.

TDG

Capital Goods industry group

Max: 40.55%
Q3: 19.29%
Median: 12.12%
Q1: 4.08%
Min: -17.12%
TDG: --

WAB

Capital Goods industry group

12.24%

Max: 40.55%
Q3: 19.29%
WAB: 12.24%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

TransDigm (TDG) vs. Wabtec (WAB): TDG does not report ROE, so it has no value marker; WAB is benchmarked against the Capital Goods industry group.

Net Margin (TTM)

TransDigm (TDG) at 21.28% retains a top-quartile share of revenue as profit, ahead of Wabtec (WAB) at 11.20%, which keeps about the industry-typical share.

TDG

Capital Goods industry group

21.28%

Max: 27.47%
TDG: 21.28%
Q3: 12.10%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

WAB

Capital Goods industry group

11.20%

Max: 27.47%
Q3: 12.10%
WAB: 11.20%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

TransDigm (TDG) at 46.01% shows unusually strong operating efficiency — above its industry’s operating margin range — and Wabtec (WAB) at 20.22% also operates in the top quartile.

TDG

Capital Goods industry group

46.01%

TDG: 46.01%
Max: 36.60%
Q3: 18.33%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

WAB

Capital Goods industry group

20.22%

Max: 36.60%
WAB: 20.22%
Q3: 18.33%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for TransDigm (TDG) and Wabtec (WAB)
Metric	TDG	WAB
ROE (TTM)	--	12.24%
ROA (TTM)	11.82%	6.28%
Net Margin (TTM)	21.28%	11.20%
Operating Margin (TTM)	46.01%	20.22%
Gross Margin (TTM)	59.82%	36.17%

Growth

Revenue Growth

Both TransDigm (TDG) at 11.22% and Wabtec (WAB) at 7.51% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both TransDigm (TDG) at 25.21% and Wabtec (WAB) at 13.08% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for TransDigm (TDG) and Wabtec (WAB)
Metric	TDG	WAB
Revenue Growth (YoY)	11.22%	7.51%
Revenue Growth (3Y CAGR)	17.61%	10.12%
EPS Growth (YoY)	25.21%	13.08%
EPS Growth (3Y CAGR)	33.78%	25.44%

Financial Strength

Current Ratio (MRQ)

TransDigm (TDG) at 3.02 carries current ratio above its industry’s typical mid-range, while Wabtec (WAB) at 1.10 runs in the tighter-liquidity quartile — different working-capital profiles, both worth examining.

TDG

Capital Goods industry group

3.02

Max: 5.22
TDG: 3.02
Q3: 2.95
Median: 2.08
Q1: 1.43
Min: 0.36

WAB

Capital Goods industry group

1.10

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
WAB: 1.10
Min: 0.36

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their current ratio against the Capital Goods industry group benchmark.

Debt / Equity (MRQ)

Only one side’s leverage can be read here: Wabtec (WAB) carries debt-to-equity ratio of 0.60 against its industry range, while TransDigm (TDG) reports no figure this period.

TDG

Capital Goods industry group

Max: 2.33
Q3: 1.12
Median: 0.60
Q1: 0.29
Min: 0.00
TDG: --

WAB

Capital Goods industry group

0.60

Max: 2.33
Q3: 1.12
WAB: 0.60
Median: 0.60
Q1: 0.29
Min: 0.00

TransDigm (TDG) vs. Wabtec (WAB): TDG does not report debt-to-equity ratio, so it has no value marker; WAB is benchmarked against the Capital Goods industry group.

Financial Strength Metrics

Financial strength metrics for TransDigm (TDG) and Wabtec (WAB)
Metric	TDG	WAB
Current Ratio (MRQ)	3.02	1.10
Debt / Equity (MRQ)	--	0.60
Net Debt / EBITDA	6.03	2.28

Dividends

Dividend Yield (TTM)

TransDigm (TDG) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Wabtec (WAB) reports a yield of 0.42%, ranking against industry peers normally.

TDG

Capital Goods industry group

0.00%

Max: 2.66%
Q3: 1.14%
Median: 0.24%
TDG: 0.00%
Q1: 0.00%
Min: 0.00%

WAB

Capital Goods industry group

0.42%

Max: 2.66%
Q3: 1.14%
WAB: 0.42%
Median: 0.24%
Q1: 0.00%
Min: 0.00%

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

TransDigm (TDG) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Wabtec (WAB) reports a payout of 14.66%, ranking against industry peers normally.

TDG

Capital Goods industry group

0.00%

Max: 67.39%
Q3: 28.02%
Median: 6.86%
TDG: 0.00%
Q1: 0.00%
Min: 0.00%

WAB

Capital Goods industry group

14.66%

Max: 67.39%
Q3: 28.02%
WAB: 14.66%
Median: 6.86%
Q1: 0.00%
Min: 0.00%

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for TransDigm (TDG) and Wabtec (WAB)
Metric	TDG	WAB
Dividend Yield (TTM)	0.00%	0.42%
Dividend Payout Ratio (TTM)	0.00%	14.66%

Valuation

P/E Ratio (TTM)

Wabtec (WAB) at 35.23 is near its industry’s usual P/E ratio, while TransDigm (TDG) at 36.31 sits in the richer quartile — TDG needs stronger growth or earnings quality to justify the premium.

TDG

Capital Goods industry group

36.31

Max: 59.38
TDG: 36.31
Q3: 35.92
Median: 25.41
Q1: 19.47
Min: 3.03

WAB

Capital Goods industry group

35.23

Max: 59.38
Q3: 35.92
WAB: 35.23
Median: 25.41
Q1: 19.47
Min: 3.03

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their P/E ratio against the Capital Goods industry group benchmark.

P/S Ratio (TTM)

Both TransDigm (TDG) at 6.61 and Wabtec (WAB) at 3.90 command a richer price per dollar of sales than most peers, sitting in the upper P/S ratio quartile of their industries.

TDG

Capital Goods industry group

6.61

Max: 7.54
TDG: 6.61
Q3: 3.76
Median: 2.15
Q1: 1.03
Min: 0.03

WAB

Capital Goods industry group

3.90

Max: 7.54
WAB: 3.90
Q3: 3.76
Median: 2.15
Q1: 1.03
Min: 0.03

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

TransDigm (TDG) reports a negative P/B ratio of -6.74, meaning negative book equity — the multiple itself is not meaningful for valuation. Meanwhile Wabtec (WAB) reports 4.20, ranking against industry peers normally.

TDG

Capital Goods industry group

-6.74

Max: 9.66
Q3: 5.00
Median: 3.12
Q1: 1.81
Min: -1.08
TDG: -6.74

WAB

Capital Goods industry group

4.20

Max: 9.66
Q3: 5.00
WAB: 4.20
Median: 3.12
Q1: 1.81
Min: -1.08

TransDigm (TDG) vs. Wabtec (WAB): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for TransDigm (TDG) and Wabtec (WAB)
Metric	TDG	WAB
P/E Ratio (TTM)	36.31	35.23
P/S Ratio (TTM)	6.61	3.90
P/B Ratio (MRQ)	-6.74	4.20
Free Cash Flow Yield (TTM)	2.20%	2.60%