Quanta Services Inc (PWR)vsSeagate Technology PLC (STX)
PWR
Quanta Services Inc
$785.29
+1.77%
INDUSTRIALS · Cap: $113.65B
STX
Seagate Technology PLC
$771.01
+4.40%
TECHNOLOGY · Cap: $163.00B
Smart Verdict
WallStSmart Research — data-driven comparison
Quanta Services Inc generates 174% more annual revenue ($30.12B vs $11.01B). STX leads profitability with a 21.6% profit margin vs 3.7%. STX appears more attractively valued with a PEG of 0.50. STX earns a higher WallStSmart Score of 76/100 (B+).
PWR
Buy54
out of 100
Grade: C-
STX
Strong Buy76
out of 100
Grade: B+
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Earnings expanding 51.0% YoY
Large-cap with strong market position
Revenue surging 26.3% year-over-year
Growing faster than its price suggests
Strong operational efficiency at 35.7%
Revenue surging 44.1% year-over-year
Earnings expanding 108.3% YoY
Large-cap with strong market position
Keeps 22 of every $100 in revenue as profit
Areas to Watch
Expensive relative to growth rate
Trading at 13.1x book value
3.7% margin — thin
Operating margin of 4.2%
Premium valuation, high expectations priced in
Trading at 367.1x book value
Comparative Analysis Report
WallStSmart ResearchBull Case : PWR
The strongest argument for PWR centers on EPS Growth, Market Cap, Revenue Growth. Revenue growth of 26.3% demonstrates continued momentum.
Bull Case : STX
The strongest argument for STX centers on PEG Ratio, Operating Margin, Revenue Growth. Profitability is solid with margins at 21.6% and operating margin at 35.7%. Revenue growth of 44.1% demonstrates continued momentum.
Bear Case : PWR
The primary concerns for PWR are PEG Ratio, Price/Book, Profit Margin. A P/E of 102.1x leaves little room for execution misses. Thin 3.7% margins leave little buffer for downturns.
Bear Case : STX
The primary concerns for STX are P/E Ratio, Price/Book. A P/E of 69.0x leaves little room for execution misses.
Key Dynamics to Monitor
STX carries more volatility with a beta of 1.63 — 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.
Monitor ENGINEERING & CONSTRUCTION industry trends, competitive dynamics, and regulatory changes.
Bottom Line
STX scores higher overall (76/100 vs 54/100), 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.
Quanta Services Inc
INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA
Quanta Services is an American corporation that provides infrastructure services for electric power, pipeline, industrial and communications industries. Capabilities include the planning, design, installation, program management, maintenance and repair of most types of network infrastructure.
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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