WallStSmart

MasTec Inc (MTZ)vsSeagate Technology PLC (STX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

MasTec Inc generates 39% more annual revenue ($15.28B vs $11.01B). STX leads profitability with a 21.6% profit margin vs 3.0%. STX appears more attractively valued with a PEG of 0.71. STX earns a higher WallStSmart Score of 77/100 (B+).

MTZ

Buy

63

out of 100

Grade: C+

Growth: 9.3Profit: 5.0Value: 3.7Quality: 6.0
Piotroski: 5/9Altman Z: 2.43

STX

Strong Buy

77

out of 100

Grade: B+

Growth: 7.3Profit: 9.5Value: 5.0Quality: 4.0
Piotroski: 6/9Altman Z: 0.62

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MTZ2 strengths · Avg: 10.0/10
Revenue GrowthGrowth
34.5%10/10

Revenue surging 34.5% year-over-year

EPS GrowthGrowth
508.0%10/10

Earnings expanding 508.0% YoY

STX6 strengths · Avg: 9.8/10
Market CapQuality
$230.51B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
217.2%10/10

Every $100 of equity generates 217 in profit

Operating MarginProfitability
35.7%10/10

Strong operational efficiency at 35.7%

Revenue GrowthGrowth
44.1%10/10

Revenue surging 44.1% year-over-year

EPS GrowthGrowth
108.3%10/10

Earnings expanding 108.3% YoY

Profit MarginProfitability
21.6%9/10

Keeps 22 of every $100 in revenue as profit

Areas to Watch

MTZ4 concerns · Avg: 3.5/10
PEG RatioValuation
1.644/10

Expensive relative to growth rate

Price/BookValuation
8.6x4/10

Trading at 8.6x book value

Profit MarginProfitability
3.0%3/10

3.0% margin — thin

Operating MarginProfitability
3.7%3/10

Operating margin of 3.7%

STX4 concerns · Avg: 1.8/10
P/E RatioValuation
97.1x2/10

Premium valuation, high expectations priced in

Price/BookValuation
189.8x2/10

Trading at 189.8x book value

Altman Z-ScoreHealth
0.622/10

Distress zone — elevated risk

Debt/EquityHealth
3.821/10

Elevated debt levels

Comparative Analysis Report

WallStSmart Research

Bull Case : MTZ

The strongest argument for MTZ centers on Revenue Growth, EPS Growth. Revenue growth of 34.5% demonstrates continued momentum.

Bull Case : STX

The strongest argument for STX centers on Market Cap, Return on Equity, Operating Margin. Profitability is solid with margins at 21.6% and operating margin at 35.7%. Revenue growth of 44.1% demonstrates continued momentum.

Bear Case : MTZ

The primary concerns for MTZ are PEG Ratio, Price/Book, Profit Margin. A P/E of 63.7x leaves little room for execution misses. Thin 3.0% margins leave little buffer for downturns.

Bear Case : STX

The primary concerns for STX are P/E Ratio, Price/Book, Altman Z-Score. A P/E of 97.1x leaves little room for execution misses. Debt-to-equity of 3.82 is elevated, increasing financial risk.

Key Dynamics to Monitor

MTZ profiles as a hypergrowth stock while STX is a growth play — different risk/reward profiles.

STX carries more volatility with a beta of 2.08 — expect wider price swings.

STX is growing revenue faster at 44.1% — sustainability is the question.

STX generates stronger free cash flow (953M), providing more financial flexibility.

Bottom Line

STX scores higher overall (77/100 vs 63/100), backed by strong 21.6% margins and 44.1% revenue growth. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

MasTec Inc

INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA

MasTec, Inc., an infrastructure construction company, provides engineering, construction, installation, maintenance, and upgrade services for communications, energy, utilities, and other infrastructure primarily in the United States and Canada. The company is headquartered in Coral Gables, Florida.

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Seagate Technology PLC

TECHNOLOGY · COMPUTER HARDWARE · USA

Seagate Technology Holdings plc, an Irish public limited company (commonly referred to as Seagate) is an American data storage company.

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