GNRC vs. MTZ: Generac vs. MasTec Stock Comparison

November 11, 2026

How do Generac (GNRC) and MasTec (MTZ) 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

Generac (GNRC) and MasTec (MTZ) both fall under the Capital Goods industry group, but GNRC is classified in Electrical Equipment while MTZ is classified in Construction & Engineering.

Company profile comparison for Generac (GNRC) and MasTec (MTZ)
Profile Item	GNRC	MTZ
Name	Generac Holdings Inc.	MasTec, Inc.
Country/Region	United States	United States
GICS Sector	Industrials	Industrials
GICS Industry Group	Capital Goods	Capital Goods
GICS Industry	Electrical Equipment	Construction & Engineering
GICS Sub-Industry	Electrical Components & Equipment	Construction & Engineering
Market Capitalization	10.43 billion USD	13.98 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	February 11, 2010	February 21, 1973
Security Type	Common Stock	Common Stock

Price Performance

Cumulative Growth

GNRC

MTZ

GSPC

Generac (GNRC) vs. MasTec (MTZ), 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 Generac (GNRC) and MasTec (MTZ). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Generac (GNRC) and MasTec (MTZ). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Generac (GNRC) and MasTec (MTZ)
Metric	GNRC	MTZ
Total Return (1Y)	23.38%	-7.45%
Total Return (3Y, Annualized)	23.05%	57.37%
Total Return (5Y, Annualized)	-15.31%	13.96%

Risk Profile

Drawdown History

GNRC

MTZ

GSPC

Generac (GNRC) vs. MasTec (MTZ), 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 Generac (GNRC) and MasTec (MTZ). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Generac (GNRC) and MasTec (MTZ)
Metric	GNRC	MTZ
Volatility (1Y, Annualized)	59.48%	55.99%
Beta (5Y)	1.84	1.91
Max Drawdown (5Y)	-81.73%	-63.67%
Avg. Volume (3M)	1.22M	1.63M

Risk-Adjusted Performance

Risk-Return Positioning

GNRC and MTZ 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 Generac (GNRC) and MasTec (MTZ)
Metric	GNRC	MTZ
Sharpe Ratio (1Y)	0.32	-0.21
Sortino Ratio (1Y)	0.50	-0.28

Profitability

ROE (TTM)

Both Generac (GNRC) at 10.64% and MasTec (MTZ) at 14.53% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

GNRC

Capital Goods industry group

10.64%

Max: 40.55%
Q3: 19.29%
Median: 12.12%
GNRC: 10.64%
Q1: 4.08%
Min: -17.12%

MTZ

Capital Goods industry group

14.53%

Max: 40.55%
Q3: 19.29%
MTZ: 14.53%
Median: 12.12%
Q1: 4.08%
Min: -17.12%

Generac (GNRC) vs. MasTec (MTZ): A comparison of their ROE against the Capital Goods industry group benchmark.

Net Margin (TTM)

Both Generac (GNRC) at 6.52% and MasTec (MTZ) at 2.80% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

GNRC

Capital Goods industry group

6.52%

Max: 27.47%
Q3: 12.10%
GNRC: 6.52%
Median: 6.30%
Q1: 1.40%
Min: -12.89%

MTZ

Capital Goods industry group

2.80%

Max: 27.47%
Q3: 12.10%
Median: 6.30%
MTZ: 2.80%
Q1: 1.40%
Min: -12.89%

Generac (GNRC) vs. MasTec (MTZ): A comparison of their net margin against the Capital Goods industry group benchmark.

Operating Margin (TTM)

Both Generac (GNRC) at 11.67% and MasTec (MTZ) at 5.64% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

GNRC

Capital Goods industry group

11.67%

Max: 36.60%
Q3: 18.33%
GNRC: 11.67%
Median: 11.12%
Q1: 5.14%
Min: -12.63%

MTZ

Capital Goods industry group

5.64%

Max: 36.60%
Q3: 18.33%
Median: 11.12%
MTZ: 5.64%
Q1: 5.14%
Min: -12.63%

Generac (GNRC) vs. MasTec (MTZ): A comparison of their operating margin against the Capital Goods industry group benchmark.

Profitability Metrics

Profitability metrics for Generac (GNRC) and MasTec (MTZ)
Metric	GNRC	MTZ
ROE (TTM)	10.64%	14.53%
ROA (TTM)	4.24%	4.43%
Net Margin (TTM)	6.52%	2.80%
Operating Margin (TTM)	11.67%	5.64%
Gross Margin (TTM)	38.18%	12.74%

Growth

Revenue Growth

MasTec (MTZ) at 16.22% is around its peer norm for revenue growth, while Generac (GNRC) at -2.02% drops into the bottom quartile, signaling weaker demand or pricing momentum.

Generac (GNRC) vs. MasTec (MTZ): A comparison of their Revenue Growth across different time periods.

EPS Growth

MasTec (MTZ) at 146.12% delivers above-range EPS growth, while Generac (GNRC) at -50.09% falls into the bottom quartile — a wide split in earnings momentum.

Generac (GNRC) vs. MasTec (MTZ): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Generac (GNRC) and MasTec (MTZ)
Metric	GNRC	MTZ
Revenue Growth (YoY)	-2.02%	16.22%
Revenue Growth (3Y CAGR)	-2.67%	13.51%
EPS Growth (YoY)	-50.09%	146.12%
EPS Growth (3Y CAGR)	-20.83%	129.40%

Financial Strength

Current Ratio (MRQ)

Generac (GNRC) at 1.97 keeps current ratio within its industry’s typical mid-range, while MasTec (MTZ) at 1.39 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for MTZ.

GNRC

Capital Goods industry group

1.97

Max: 5.22
Q3: 2.95
Median: 2.08
GNRC: 1.97
Q1: 1.43
Min: 0.36

MTZ

Capital Goods industry group

1.39

Max: 5.22
Q3: 2.95
Median: 2.08
Q1: 1.43
MTZ: 1.39
Min: 0.36

Generac (GNRC) vs. MasTec (MTZ): A comparison of their current ratio against the Capital Goods industry group benchmark.

Debt / Equity (MRQ)

Generac (GNRC) at 0.47 carries an industry-typical debt-to-equity mix, while MasTec (MTZ) at 1.12 uses more debt funding than most peers.

GNRC

Capital Goods industry group

0.47

Max: 2.33
Q3: 1.12
Median: 0.60
GNRC: 0.47
Q1: 0.29
Min: 0.00

MTZ

Capital Goods industry group

1.12

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

Generac (GNRC) vs. MasTec (MTZ): A comparison of their debt-to-equity ratio against the Capital Goods industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Generac (GNRC) and MasTec (MTZ)
Metric	GNRC	MTZ
Current Ratio (MRQ)	1.97	1.39
Debt / Equity (MRQ)	0.47	1.12
Net Debt / EBITDA	1.65	3.08

Dividends

Dividend Yield (TTM)

Neither Generac (GNRC) nor MasTec (MTZ) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

GNRC

Capital Goods industry group

0.00%

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

MTZ

Capital Goods industry group

0.00%

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

Generac (GNRC) vs. MasTec (MTZ): A comparison of their dividend yield against the Capital Goods industry group benchmark.

Dividend Payout Ratio (TTM)

Neither Generac (GNRC) nor MasTec (MTZ) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.

GNRC

Capital Goods industry group

0.00%

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

MTZ

Capital Goods industry group

0.00%

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

Generac (GNRC) vs. MasTec (MTZ): A comparison of their payout ratio against the Capital Goods industry group benchmark.

Dividend Metrics

Dividend metrics for Generac (GNRC) and MasTec (MTZ)
Metric	GNRC	MTZ
Dividend Yield (TTM)	0.00%	0.00%
Dividend Payout Ratio (TTM)	0.00%	0.00%

Valuation

P/E Ratio (TTM)

Both Generac (GNRC) at 34.87 and MasTec (MTZ) at 28.40 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

GNRC

Capital Goods industry group

34.87

Max: 59.38
Q3: 35.92
GNRC: 34.87
Median: 25.41
Q1: 19.47
Min: 3.03

MTZ

Capital Goods industry group

28.40

Max: 59.38
Q3: 35.92
MTZ: 28.40
Median: 25.41
Q1: 19.47
Min: 3.03

Generac (GNRC) vs. MasTec (MTZ): A comparison of their P/E ratio against the Capital Goods industry group benchmark.

P/S Ratio (TTM)

MasTec (MTZ) at 0.81 sits in the cheaper P/S ratio quartile while Generac (GNRC) at 2.26 prices around its industry’s middle — MTZ costs less per dollar of sales, though read it alongside growth and margins.

GNRC

Capital Goods industry group

2.26

Max: 7.54
Q3: 3.76
GNRC: 2.26
Median: 2.15
Q1: 1.03
Min: 0.03

MTZ

Capital Goods industry group

0.81

Max: 7.54
Q3: 3.76
Median: 2.15
Q1: 1.03
MTZ: 0.81
Min: 0.03

Generac (GNRC) vs. MasTec (MTZ): A comparison of their P/S ratio against the Capital Goods industry group benchmark.

P/B Ratio (MRQ)

On P/B ratio, both Generac (GNRC) at 3.46 and MasTec (MTZ) at 3.35 are valued close to their industries’ norm against book — neither stands out from peers.

GNRC

Capital Goods industry group

3.46

Max: 9.66
Q3: 5.00
GNRC: 3.46
Median: 3.12
Q1: 1.81
Min: -1.08

MTZ

Capital Goods industry group

3.35

Max: 9.66
Q3: 5.00
MTZ: 3.35
Median: 3.12
Q1: 1.81
Min: -1.08

Generac (GNRC) vs. MasTec (MTZ): A comparison of their P/B ratio against the Capital Goods industry group benchmark.

Valuation Metrics

Valuation metrics for Generac (GNRC) and MasTec (MTZ)
Metric	GNRC	MTZ
P/E Ratio (TTM)	34.87	28.40
P/S Ratio (TTM)	2.26	0.81
P/B Ratio (MRQ)	3.46	3.35
Free Cash Flow Yield (TTM)	3.21%	1.00%