BA vs. TDG: Boeing vs. TransDigm Stock Comparison

November 11, 2026

How do Boeing (BA) and TransDigm (TDG) 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

Boeing (BA) and TransDigm (TDG) are both classified in the Aerospace & Defense sub-industry within the broader Aerospace & Defense industry, placing them in the closest GICS peer bucket.

Company profile comparison for Boeing (BA) and TransDigm (TDG)
Profile Item	BA	TDG
Name	The Boeing Company	TransDigm Group Inc.
Country/Region	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Aerospace & Defense	Aerospace & Defense
GICS Sub-Industry	Aerospace & Defense	Aerospace & Defense
Market Capitalization	137.41 billion USD	66.17 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	January 2, 1962	March 15, 2006
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

TDG

GSPC

Boeing (BA) vs. TransDigm (TDG), 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 Boeing (BA) and TransDigm (TDG). Returns over one year are annualized.

Calendar-Year Returns

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

Performance Metrics

Price performance metrics for Boeing (BA) and TransDigm (TDG)
Metric	BA	TDG
Total Return (1Y)	-10.22%	-3.42%
Total Return (3Y, Annualized)	-3.32%	14.26%
Total Return (5Y, Annualized)	-4.57%	16.86%

Risk Profile

Drawdown History

TDG

GSPC

Boeing (BA) vs. TransDigm (TDG), 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 Boeing (BA) and TransDigm (TDG). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Boeing (BA) and TransDigm (TDG)
Metric	BA	TDG
Volatility (1Y, Annualized)	35.25%	28.03%
Beta (5Y)	1.31	0.94
Max Drawdown (5Y)	-50.29%	-29.05%
Avg. Volume (3M)	7.77M	369.72K

Risk-Adjusted Performance

Risk-Return Positioning

BA and TDG 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 Boeing (BA) and TransDigm (TDG)
Metric	BA	TDG
Sharpe Ratio (1Y)	-0.41	-0.27
Sortino Ratio (1Y)	-0.60	-0.38

Profitability

ROE (TTM)

Neither Boeing (BA) nor TransDigm (TDG) reports a ROE value for this period, so a direct comparison isn’t possible.

BA

Capital Goods industry group

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

TDG

Capital Goods industry group

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

Boeing (BA) vs. TransDigm (TDG): Neither stock reports ROE, so the chart shows available benchmark boxes without value markers.

Net Margin (TTM)

TransDigm (TDG) at 21.28% retains a top-quartile share of revenue as profit, ahead of Boeing (BA) at 8.07%, which keeps about the industry-typical share.

BA

Capital Goods industry group

8.07%

Max: 27.47%
Q3: 12.10%
BA: 8.07%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

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%

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

Operating Margin (TTM)

TransDigm (TDG) at 46.01% runs an above-range operating margin, while Boeing (BA) at 0.30% sits in the bottom quartile — a wide gap in core operating efficiency before financing and tax.

BA

Capital Goods industry group

0.30%

Max: 36.60%
Q3: 18.33%
Median: 11.12%
Q1: 5.14%
BA: 0.30%
Min: -12.63%

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%

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

Profitability Metrics

Profitability metrics for Boeing (BA) and TransDigm (TDG)
Metric	BA	TDG
ROE (TTM)	--	--
ROA (TTM)	-0.11%	11.82%
Net Margin (TTM)	8.07%	21.28%
Operating Margin (TTM)	0.30%	46.01%
Gross Margin (TTM)	9.45%	59.82%

Growth

Revenue Growth

Boeing (BA) at 34.50% sits in the top revenue growth quartile, while TransDigm (TDG) at 11.22% is closer to the peer norm — faster top-line expansion for BA.

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

EPS Growth

Only one side can be read here: TransDigm (TDG) reports EPS growth of 25.21%, ranked against its industry; Boeing (BA) has no EPS growth figure this period.

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

Growth Metrics

Growth metrics for Boeing (BA) and TransDigm (TDG)
Metric	BA	TDG
Revenue Growth (YoY)	34.50%	11.22%
Revenue Growth (3Y CAGR)	10.33%	17.61%
EPS Growth (YoY)	--	25.21%
EPS Growth (3Y CAGR)	--	33.78%

Financial Strength

Current Ratio (MRQ)

TransDigm (TDG) at 3.02 carries current ratio above its industry’s typical mid-range, while Boeing (BA) at 1.13 runs in the tighter-liquidity quartile — different working-capital profiles, both worth examining.

BA

Capital Goods industry group

1.13

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
BA: 1.13
Min: 0.36

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

Boeing (BA) vs. TransDigm (TDG): 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: Boeing (BA) carries debt-to-equity ratio of 7.39 against its industry range, while TransDigm (TDG) reports no figure this period.

BA

Capital Goods industry group

7.39

BA: 7.39
Max: 2.33
Q3: 1.12
Median: 0.60
Q1: 0.29
Min: 0.00

TDG

Capital Goods industry group

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

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

Financial Strength Metrics

Financial strength metrics for Boeing (BA) and TransDigm (TDG)
Metric	BA	TDG
Current Ratio (MRQ)	1.13	3.02
Debt / Equity (MRQ)	7.39	--
Net Debt / EBITDA	13.81	6.03

Dividends

Dividend Yield (TTM)

Neither Boeing (BA) nor TransDigm (TDG) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

BA

Capital Goods industry group

0.00%

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

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%

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

Dividend Payout Ratio (TTM)

Neither Boeing (BA) nor TransDigm (TDG) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

BA

Capital Goods industry group

0.00%

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

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%

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

Dividend Metrics

Dividend metrics for Boeing (BA) and TransDigm (TDG)
Metric	BA	TDG
Dividend Yield (TTM)	0.00%	0.00%
Dividend Payout Ratio (TTM)	0.00%	0.00%

Valuation

P/E Ratio (TTM)

Boeing (BA) at 17.89 sits in the cheaper P/E ratio quartile, while TransDigm (TDG) at 36.31 sits in the richer quartile — a clear split in what investors pay for each dollar of trailing earnings.

BA

Capital Goods industry group

17.89

Max: 59.38
Q3: 35.92
Median: 25.41
Q1: 19.47
BA: 17.89
Min: 3.03

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

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

P/S Ratio (TTM)

Boeing (BA) at 1.45 is priced about in line with its industry on P/S ratio, while TransDigm (TDG) at 6.61 sits in the pricier quartile — TDG costs more per dollar of sales.

BA

Capital Goods industry group

1.45

Max: 7.54
Q3: 3.76
Median: 2.15
BA: 1.45
Q1: 1.03
Min: 0.03

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

Boeing (BA) vs. TransDigm (TDG): 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 Boeing (BA) reports 20.99, ranking against industry peers normally.

BA

Capital Goods industry group

20.99

BA: 20.99
Max: 9.66
Q3: 5.00
Median: 3.12
Q1: 1.81
Min: -1.08

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

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

Valuation Metrics

Valuation metrics for Boeing (BA) and TransDigm (TDG)
Metric	BA	TDG
P/E Ratio (TTM)	17.89	36.31
P/S Ratio (TTM)	1.45	6.61
P/B Ratio (MRQ)	20.99	-6.74
Free Cash Flow Yield (TTM)	3.44%	2.20%