MLM vs. RPM: A Head-to-Head Stock Comparison

Updated on October 5, 2025

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

Company Profile

Symbol	MLM	RPM
Company Name	Martin Marietta Materials, Inc.	RPM International Inc.
Country	United States	United States
GICS Sector	Materials	Materials
GICS Industry	Construction Materials	Chemicals
Market Capitalization	38.28 billion USD	14.98 billion USD
Exchange	NYSE	NYSE
Listing Date	February 17, 1994	March 17, 1980
Security Type	Common Stock	Common Stock

Historical Performance

This chart compares the performance of MLM and RPM 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.

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

Historical Performance at a Glance

Symbol	MLM	RPM
5-Day Price Return	2.18%	-0.17%
13-Week Price Return	13.78%	3.06%
26-Week Price Return	32.76%	0.99%
52-Week Price Return	21.83%	-8.48%
Month-to-Date Return	0.71%	-0.89%
Year-to-Date Return	22.90%	-5.06%
10-Day Avg. Volume	0.33M	1.16M
3-Month Avg. Volume	0.40M	0.84M
3-Month Volatility	20.38%	26.17%
Beta	1.18	1.13

Profitability

Return on Equity (TTM)

MLM

11.88%

Construction Materials Industry

Max: 24.24%
Q3: 15.27%
Median: 10.51%
Q1: 5.28%
Min: -5.22%

MLM’s Return on Equity of 11.88% is on par with the norm for the Construction Materials industry, indicating its profitability relative to shareholder equity is typical for the sector.

RPM

25.21%

Chemicals Industry

Max: 29.52%
Q3: 13.18%
Median: 6.53%
Q1: 1.35%
Min: -11.86%

In the upper quartile for the Chemicals industry, RPM’s Return on Equity of 25.21% signals a highly effective use of shareholder capital to drive profitability compared to most of its peers.

MLM vs. RPM: A comparison of their Return on Equity (TTM) against their respective Construction Materials and Chemicals industry benchmarks.

Net Profit Margin (TTM)

MLM

16.47%

Construction Materials Industry

Max: 44.75%
Q3: 22.43%
Median: 9.02%
Q1: 4.99%
Min: -4.83%

MLM’s Net Profit Margin of 16.47% is aligned with the median group of its peers in the Construction Materials industry. This indicates its ability to convert revenue into profit is typical for the sector.

RPM

9.34%

Chemicals Industry

Max: 20.20%
Q3: 9.15%
Median: 3.94%
Q1: 0.60%
Min: -10.43%

A Net Profit Margin of 9.34% places RPM in the upper quartile for the Chemicals industry, signifying strong profitability and more effective cost management than most of its peers.

MLM vs. RPM: A comparison of their Net Profit Margin (TTM) against their respective Construction Materials and Chemicals industry benchmarks.

Operating Profit Margin (TTM)

MLM

23.04%

Construction Materials Industry

Max: 31.89%
Q3: 18.90%
Median: 11.67%
Q1: 8.77%
Min: -2.06%

An Operating Profit Margin of 23.04% places MLM in the upper quartile for the Construction Materials industry. This signals a strong ability to translate revenue into operating profit, outperforming most of its competitors in core business efficiency.

RPM

11.71%

Chemicals Industry

Max: 27.33%
Q3: 13.82%
Median: 7.98%
Q1: 3.60%
Min: -7.61%

RPM’s Operating Profit Margin of 11.71% is around the midpoint for the Chemicals industry, indicating that its efficiency in managing core business operations is typical for the sector.

MLM vs. RPM: A comparison of their Operating Profit Margin (TTM) against their respective Construction Materials and Chemicals industry benchmarks.

Profitability at a Glance

Symbol	MLM	RPM
Return on Equity (TTM)	11.88%	25.21%
Return on Assets (TTM)	6.25%	9.93%
Net Profit Margin (TTM)	16.47%	9.34%
Operating Profit Margin (TTM)	23.04%	11.71%
Gross Profit Margin (TTM)	29.44%	41.38%

Financial Strength

Current Ratio (MRQ)

MLM

2.35

Construction Materials Industry

Max: 5.14
Q3: 3.18
Median: 2.00
Q1: 1.13
Min: 0.76

MLM’s Current Ratio of 2.35 aligns with the median group of the Construction Materials industry, indicating that its short-term liquidity is in line with its sector peers.

RPM

2.16

Chemicals Industry

Max: 3.72
Q3: 2.38
Median: 1.69
Q1: 1.42
Min: 0.75

RPM’s Current Ratio of 2.16 aligns with the median group of the Chemicals industry, indicating that its short-term liquidity is in line with its sector peers.

MLM vs. RPM: A comparison of their Current Ratio (MRQ) against their respective Construction Materials and Chemicals industry benchmarks.

Debt-to-Equity Ratio (MRQ)

MLM

0.58

Construction Materials Industry

Max: 1.12
Q3: 0.82
Median: 0.61
Q1: 0.29
Min: 0.00

MLM’s Debt-to-Equity Ratio of 0.58 is typical for the Construction Materials industry, indicating its use of leverage is in line with the sector norm. This suggests a balanced approach to its capital structure.

RPM

0.92

Chemicals Industry

Max: 1.53
Q3: 1.00
Median: 0.69
Q1: 0.41
Min: 0.00

RPM’s Debt-to-Equity Ratio of 0.92 is typical for the Chemicals industry, indicating its use of leverage is in line with the sector norm. This suggests a balanced approach to its capital structure.

MLM vs. RPM: A comparison of their Debt-to-Equity Ratio (MRQ) against their respective Construction Materials and Chemicals industry benchmarks.

Interest Coverage Ratio (TTM)

MLM

16.36

Construction Materials Industry

Max: 54.89
Q3: 34.24
Median: 7.96
Q1: 4.28
Min: -6.24

MLM’s Interest Coverage Ratio of 16.36 is positioned comfortably within the norm for the Construction Materials industry, indicating a standard and healthy capacity to cover its interest payments.

RPM

12.22

Chemicals Industry

Max: 56.43
Q3: 26.33
Median: 8.84
Q1: 2.54
Min: -9.39

RPM’s Interest Coverage Ratio of 12.22 is positioned comfortably within the norm for the Chemicals industry, indicating a standard and healthy capacity to cover its interest payments.

MLM vs. RPM: A comparison of their Interest Coverage Ratio (TTM) against their respective Construction Materials and Chemicals industry benchmarks.

Financial Strength at a Glance

Symbol	MLM	RPM
Current Ratio (MRQ)	2.35	2.16
Quick Ratio (MRQ)	1.21	1.28
Debt-to-Equity Ratio (MRQ)	0.58	0.92
Interest Coverage Ratio (TTM)	16.36	12.22

Growth

Revenue Growth

MLM vs. RPM: 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

MLM vs. RPM: 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)

MLM

0.51%

Construction Materials Industry

Max: 6.59%
Q3: 4.78%
Median: 2.19%
Q1: 0.85%
Min: 0.00%

MLM’s Dividend Yield of 0.51% is in the lower quartile for the Construction Materials industry. This suggests the company’s strategy likely favors retaining earnings for growth over providing a high dividend income.

RPM

1.71%

Chemicals Industry

Max: 6.59%
Q3: 3.67%
Median: 2.44%
Q1: 1.36%
Min: 0.00%

RPM’s Dividend Yield of 1.71% is consistent with its peers in the Chemicals industry, providing a dividend return that is standard for its sector.

MLM vs. RPM: A comparison of their Dividend Yield (TTM) against their respective Construction Materials and Chemicals industry benchmarks.

Dividend Payout Ratio (TTM)

MLM

17.62%

Construction Materials Industry

Max: 149.16%
Q3: 76.08%
Median: 33.22%
Q1: 14.03%
Min: 0.00%

MLM’s Dividend Payout Ratio of 17.62% is within the typical range for the Construction Materials industry, suggesting a balanced approach between shareholder payouts and company reinvestment.

RPM

37.11%

Chemicals Industry

Max: 192.00%
Q3: 108.95%
Median: 57.38%
Q1: 27.28%
Min: 0.00%

RPM’s Dividend Payout Ratio of 37.11% is within the typical range for the Chemicals industry, suggesting a balanced approach between shareholder payouts and company reinvestment.

MLM vs. RPM: A comparison of their Dividend Payout Ratio (TTM) against their respective Construction Materials and Chemicals industry benchmarks.

Dividend at a Glance

Symbol	MLM	RPM
Dividend Yield (TTM)	0.51%	1.71%
Dividend Payout Ratio (TTM)	17.62%	37.11%

Valuation

Price-to-Earnings Ratio (TTM)

MLM

34.40

Construction Materials Industry

Max: 33.62
Q3: 19.63
Median: 12.15
Q1: 7.04
Min: 2.32

At 34.40, MLM’s P/E Ratio is exceptionally high, exceeding the typical maximum for the Construction Materials industry. This suggests the stock may be significantly overvalued compared to its peers and implies high market expectations that could be difficult to meet.

RPM

21.67

Chemicals Industry

Max: 49.43
Q3: 32.03
Median: 21.32
Q1: 14.93
Min: 8.66

RPM’s P/E Ratio of 21.67 is within the middle range for the Chemicals industry. This suggests its valuation is in line with the sector average, representing neither a significant premium nor a discount compared to its peers.

MLM vs. RPM: A comparison of their Price-to-Earnings Ratio (TTM) against their respective Construction Materials and Chemicals industry benchmarks.

Price-to-Sales Ratio (TTM)

MLM

5.67

Construction Materials Industry

Max: 3.73
Q3: 2.10
Median: 1.35
Q1: 0.67
Min: 0.21

With a P/S Ratio of 5.67, MLM trades at a valuation that eclipses even the highest in the Construction Materials industry. This implies the market has priced in exceptionally optimistic scenarios for future revenue growth, posing considerable valuation risk.

RPM

2.02

Chemicals Industry

Max: 3.90
Q3: 2.23
Median: 1.00
Q1: 0.55
Min: 0.15

RPM’s P/S Ratio of 2.02 aligns with the market consensus for the Chemicals industry. This suggests its valuation, based on sales, is seen as standard and is on par with its competitors.

MLM vs. RPM: A comparison of their Price-to-Sales Ratio (TTM) against their respective Construction Materials and Chemicals industry benchmarks.

Price-to-Book Ratio (MRQ)

MLM

3.53

Construction Materials Industry

Max: 4.48
Q3: 2.26
Median: 1.26
Q1: 0.67
Min: 0.11

MLM’s P/B Ratio of 3.53 is in the upper tier for the Construction Materials 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.

RPM

5.01

Chemicals Industry

Max: 5.01
Q3: 2.59
Median: 1.50
Q1: 0.95
Min: 0.30

RPM’s P/B Ratio of 5.01 is in the upper tier for the Chemicals 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.

MLM vs. RPM: A comparison of their Price-to-Book Ratio (MRQ) against their respective Construction Materials and Chemicals industry benchmarks.

Valuation at a Glance

Symbol	MLM	RPM
Price-to-Earnings Ratio (TTM)	34.40	21.67
Price-to-Sales Ratio (TTM)	5.67	2.02
Price-to-Book Ratio (MRQ)	3.53	5.01
Price-to-Free Cash Flow Ratio (TTM)	38.73	27.73