DOV vs. TDG: A Head-to-Head Stock Comparison

Updated on August 19, 2025

Here’s a clear look at DOV and TDG, comparing key factors like historical performance, profitability, financial strength, growth, dividend, and valuation.

Company Profile

Symbol	DOV	TDG
Company Name	Dover Corporation	TransDigm Group Incorporated
Country	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry	Machinery	Aerospace & Defense
Market Capitalization	25.07 billion USD	80.34 billion USD
Exchange	NYSE	NYSE
Listing Date	March 17, 1980	March 15, 2006
Security Type	Common Stock	Common Stock

Historical Performance

This chart compares the performance of DOV and TDG by tracking the growth of an initial $10,000 investment in each. Use the tabs to select the desired time period. Data is adjusted for dividends and splits.

DOV vs. TDG: Growth of a $10,000 investment over the past one year.

Historical Performance at a Glance

Symbol	DOV	TDG
5-Day Price Return	5.09%	-0.23%
13-Week Price Return	-0.41%	0.61%
26-Week Price Return	-10.67%	9.73%
52-Week Price Return	4.85%	15.63%
Month-to-Date Return	0.93%	-11.36%
Year-to-Date Return	-2.54%	12.51%
10-Day Avg. Volume	1.09M	0.52M
3-Month Avg. Volume	1.16M	0.31M
3-Month Volatility	20.62%	29.88%
Beta	1.29	1.03

Profitability

Return on Equity (TTM)

DOV

33.68%

Machinery Industry

Max: 34.68%
Q3: 19.06%
Median: 13.13%
Q1: 8.53%
Min: -4.87%

In the upper quartile for the Machinery industry, DOV’s Return on Equity of 33.68% signals a highly effective use of shareholder capital to drive profitability compared to most of its peers.

TDG

37.11%

Aerospace & Defense Industry

Max: 43.89%
Q3: 22.42%
Median: 12.50%
Q1: 5.21%
Min: -6.24%

In the upper quartile for the Aerospace & Defense industry, TDG’s Return on Equity of 37.11% signals a highly effective use of shareholder capital to drive profitability compared to most of its peers.

DOV vs. TDG: A comparison of their Return on Equity (TTM) against their respective Machinery and Aerospace & Defense industry benchmarks.

Net Profit Margin (TTM)

DOV

29.29%

Machinery Industry

Max: 19.74%
Q3: 11.24%
Median: 8.13%
Q1: 5.38%
Min: -1.11%

DOV’s Net Profit Margin of 29.29% is exceptionally high, placing it well beyond the typical range for the Machinery industry. This demonstrates outstanding operational efficiency and a strong competitive advantage in converting revenue into profit.

TDG

22.52%

Aerospace & Defense Industry

Max: 14.54%
Q3: 8.08%
Median: 6.17%
Q1: 2.49%
Min: -1.63%

TDG’s Net Profit Margin of 22.52% is exceptionally high, placing it well beyond the typical range for the Aerospace & Defense industry. This demonstrates outstanding operational efficiency and a strong competitive advantage in converting revenue into profit.

DOV vs. TDG: A comparison of their Net Profit Margin (TTM) against their respective Machinery and Aerospace & Defense industry benchmarks.

Operating Profit Margin (TTM)

DOV

17.28%

Machinery Industry

Max: 26.63%
Q3: 16.15%
Median: 11.27%
Q1: 7.72%
Min: -4.91%

An Operating Profit Margin of 17.28% places DOV in the upper quartile for the Machinery industry. This signals a strong ability to translate revenue into operating profit, outperforming most of its competitors in core business efficiency.

TDG

45.94%

Aerospace & Defense Industry

Max: 16.63%
Q3: 10.38%
Median: 8.29%
Q1: 6.21%
Min: 0.95%

TDG’s Operating Profit Margin of 45.94% is exceptionally high, placing it well above the typical range for the Aerospace & Defense industry. This demonstrates outstanding efficiency in managing its core operations, which can be a result of strong pricing power or superior cost control.

DOV vs. TDG: A comparison of their Operating Profit Margin (TTM) against their respective Machinery and Aerospace & Defense industry benchmarks.

Profitability at a Glance

Symbol	DOV	TDG
Return on Equity (TTM)	33.68%	37.11%
Return on Assets (TTM)	18.26%	8.43%
Net Profit Margin (TTM)	29.29%	22.52%
Operating Profit Margin (TTM)	17.28%	45.94%
Gross Profit Margin (TTM)	39.67%	60.12%

Financial Strength

Current Ratio (MRQ)

DOV

1.95

Machinery Industry

Max: 3.83
Q3: 2.32
Median: 1.72
Q1: 1.28
Min: 0.78

DOV’s Current Ratio of 1.95 aligns with the median group of the Machinery industry, indicating that its short-term liquidity is in line with its sector peers.

TDG

3.13

Aerospace & Defense Industry

Max: 3.09
Q3: 1.98
Median: 1.23
Q1: 1.03
Min: 0.02

TDG’s Current Ratio of 3.13 is exceptionally high, placing it well outside the typical range for the Aerospace & Defense industry. This indicates a very strong liquidity position, though such a high ratio may also suggest that the company is not using its assets efficiently to generate profits.

DOV vs. TDG: A comparison of their Current Ratio (MRQ) against their respective Machinery and Aerospace & Defense industry benchmarks.

Debt-to-Equity Ratio (MRQ)

DOV

0.41

Machinery Industry

Max: 1.49
Q3: 0.75
Median: 0.44
Q1: 0.26
Min: 0.00

DOV’s Debt-to-Equity Ratio of 0.41 is typical for the Machinery industry, indicating its use of leverage is in line with the sector norm. This suggests a balanced approach to its capital structure.

TDG

5.41

Aerospace & Defense Industry

Max: 1.70
Q3: 1.04
Median: 0.68
Q1: 0.41
Min: 0.00

With a Debt-to-Equity Ratio of 5.41, TDG operates with exceptionally high leverage compared to the Aerospace & Defense industry norm. This suggests an aggressive reliance on debt financing, which can magnify returns but also significantly elevates financial risk.

DOV vs. TDG: A comparison of their Debt-to-Equity Ratio (MRQ) against their respective Machinery and Aerospace & Defense industry benchmarks.

Interest Coverage Ratio (TTM)

DOV

19.69

Machinery Industry

Max: 67.55
Q3: 33.79
Median: 13.87
Q1: 7.97
Min: -1.43

DOV’s Interest Coverage Ratio of 19.69 is positioned comfortably within the norm for the Machinery industry, indicating a standard and healthy capacity to cover its interest payments.

TDG

2.72

Aerospace & Defense Industry

Max: 36.57
Q3: 19.90
Median: 7.04
Q1: 2.40
Min: -7.63

TDG’s Interest Coverage Ratio of 2.72 is positioned comfortably within the norm for the Aerospace & Defense industry, indicating a standard and healthy capacity to cover its interest payments.

DOV vs. TDG: A comparison of their Interest Coverage Ratio (TTM) against their respective Machinery and Aerospace & Defense industry benchmarks.

Financial Strength at a Glance

Symbol	DOV	TDG
Current Ratio (MRQ)	1.95	3.13
Quick Ratio (MRQ)	1.28	2.07
Debt-to-Equity Ratio (MRQ)	0.41	5.41
Interest Coverage Ratio (TTM)	19.69	2.72

Growth

Revenue Growth

DOV vs. TDG: A side-by-side comparison of their Revenue Growth for the MRQ (YoY), TTM (YoY), 3-Year CAGR, and 5-Year CAGR periods.

EPS Growth

DOV vs. TDG: A side-by-side comparison of their EPS Growth for the MRQ (YoY), TTM (YoY), 3-Year CAGR, and 5-Year CAGR periods.

Dividend

Dividend Yield (TTM)

DOV

1.15%

Machinery Industry

Max: 5.32%
Q3: 2.84%
Median: 1.87%
Q1: 1.09%
Min: 0.00%

DOV’s Dividend Yield of 1.15% is consistent with its peers in the Machinery industry, providing a dividend return that is standard for its sector.

TDG

5.52%

Aerospace & Defense Industry

Max: 2.03%
Q3: 1.22%
Median: 0.43%
Q1: 0.00%
Min: 0.00%

TDG’s Dividend Yield of 5.52% is exceptionally high, placing it well above the typical range for the Aerospace & Defense industry. While this may seem attractive, an unusually high yield can sometimes be a warning sign, reflecting a falling stock price or market concerns about the dividend’s sustainability.

DOV vs. TDG: A comparison of their Dividend Yield (TTM) against their respective Machinery and Aerospace & Defense industry benchmarks.

Dividend Payout Ratio (TTM)

DOV

12.36%

Machinery Industry

Max: 202.17%
Q3: 98.65%
Median: 55.54%
Q1: 29.03%
Min: 0.00%

DOV’s Dividend Payout Ratio of 12.36% is in the lower quartile for the Machinery industry. This suggests a conservative dividend policy, with a strategic focus on reinvesting profits for future growth.

TDG

891.68%

Aerospace & Defense Industry

Max: 83.87%
Q3: 49.90%
Median: 16.48%
Q1: 0.00%
Min: 0.00%

At 891.68%, TDG’s Dividend Payout Ratio is exceptionally high, exceeding the typical range for the Aerospace & Defense industry. While this provides a significant return to shareholders, it may limit funds for reinvestment and could be difficult to sustain.

DOV vs. TDG: A comparison of their Dividend Payout Ratio (TTM) against their respective Machinery and Aerospace & Defense industry benchmarks.

Dividend at a Glance

Symbol	DOV	TDG
Dividend Yield (TTM)	1.15%	5.52%
Dividend Payout Ratio (TTM)	12.36%	891.68%

Valuation

Price-to-Earnings Ratio (TTM)

DOV

10.78

Machinery Industry

Max: 53.66
Q3: 31.29
Median: 22.00
Q1: 16.18
Min: 7.00

In the lower quartile for the Machinery industry, DOV’s P/E Ratio of 10.78 suggests the stock may be undervalued compared to its peers, potentially presenting an attractive entry point for investors.

TDG

41.23

Aerospace & Defense Industry

Max: 65.97
Q3: 54.11
Median: 34.53
Q1: 23.66
Min: 0.00

TDG’s P/E Ratio of 41.23 is within the middle range for the Aerospace & Defense industry. This suggests its valuation is in line with the sector average, representing neither a significant premium nor a discount compared to its peers.

DOV vs. TDG: A comparison of their Price-to-Earnings Ratio (TTM) against their respective Machinery and Aerospace & Defense industry benchmarks.

Price-to-Sales Ratio (TTM)

DOV

3.16

Machinery Industry

Max: 5.04
Q3: 2.72
Median: 1.67
Q1: 1.04
Min: 0.24

DOV’s P/S Ratio of 3.16 is in the upper echelon for the Machinery industry. This means the company is valued richly on its revenue stream compared to its peers, suggesting the stock is priced for a high level of future performance.

TDG

9.29

Aerospace & Defense Industry

Max: 8.07
Q3: 4.49
Median: 2.42
Q1: 1.39
Min: 0.00

With a P/S Ratio of 9.29, TDG trades at a valuation that eclipses even the highest in the Aerospace & Defense industry. This implies the market has priced in exceptionally optimistic scenarios for future revenue growth, posing considerable valuation risk.

DOV vs. TDG: A comparison of their Price-to-Sales Ratio (TTM) against their respective Machinery and Aerospace & Defense industry benchmarks.

Price-to-Book Ratio (MRQ)

DOV

3.38

Machinery Industry

Max: 7.23
Q3: 3.90
Median: 2.52
Q1: 1.47
Min: 0.49

DOV’s P/B Ratio of 3.38 is within the conventional range for the Machinery industry. This shows a balanced market view, where the stock’s price is neither at a significant premium nor a discount to the book value of its peers.

TDG

10.13

Aerospace & Defense Industry

Max: 13.67
Q3: 7.92
Median: 4.65
Q1: 2.68
Min: 0.82

TDG’s P/B Ratio of 10.13 is in the upper tier for the Aerospace & Defense industry. This indicates that investors are paying a premium relative to the company’s net assets, a valuation that hinges on its ability to generate superior profits.

DOV vs. TDG: A comparison of their Price-to-Book Ratio (MRQ) against their respective Machinery and Aerospace & Defense industry benchmarks.

Valuation at a Glance

Symbol	DOV	TDG
Price-to-Earnings Ratio (TTM)	10.78	41.23
Price-to-Sales Ratio (TTM)	3.16	9.29
Price-to-Book Ratio (MRQ)	3.38	10.13
Price-to-Free Cash Flow Ratio (TTM)	39.94	41.79