WallStSmart

American Tower Corp (AMT)vsLam Research Corp (LRCX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Lam Research Corp generates 100% more annual revenue ($21.68B vs $10.82B). LRCX leads profitability with a 30.9% profit margin vs 26.8%. LRCX appears more attractively valued with a PEG of 1.49. LRCX earns a higher WallStSmart Score of 76/100 (B+).

AMT

Strong Buy

72

out of 100

Grade: B

Growth: 6.7Profit: 9.0Value: 6.0Quality: 3.8
Piotroski: 4/9Altman Z: 0.33

LRCX

Strong Buy

76

out of 100

Grade: B+

Growth: 7.3Profit: 10.0Value: 6.0Quality: 7.8
Piotroski: 6/9Altman Z: 4.65
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMTUndervalued (+17.6%)

Margin of Safety

+17.6%

Fair Value

$219.10

Current Price

$182.71

$36.39 discount

UndervaluedFair: $219.10Overvalued
LRCXUndervalued (+25.1%)

Margin of Safety

+25.1%

Fair Value

$344.32

Current Price

$257.86

$86.46 discount

UndervaluedFair: $344.32Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMT5 strengths · Avg: 9.4/10
Operating MarginProfitability
45.3%10/10

Strong operational efficiency at 45.3%

EPS GrowthGrowth
76.9%10/10

Earnings expanding 76.9% YoY

Market CapQuality
$85.12B9/10

Large-cap with strong market position

Return on EquityProfitability
29.9%9/10

Every $100 of equity generates 30 in profit

Profit MarginProfitability
26.8%9/10

Keeps 27 of every $100 in revenue as profit

LRCX6 strengths · Avg: 9.7/10
Market CapQuality
$311.08B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
66.8%10/10

Every $100 of equity generates 67 in profit

Profit MarginProfitability
30.9%10/10

Keeps 31 of every $100 in revenue as profit

Operating MarginProfitability
35.0%10/10

Strong operational efficiency at 35.0%

Altman Z-ScoreHealth
4.6510/10

Safe zone — low bankruptcy risk

Revenue GrowthGrowth
23.8%8/10

Revenue surging 23.8% year-over-year

Areas to Watch

AMT4 concerns · Avg: 3.0/10
PEG RatioValuation
1.974/10

Expensive relative to growth rate

P/E RatioValuation
29.5x4/10

Moderate valuation

Price/BookValuation
24.2x2/10

Trading at 24.2x book value

Altman Z-ScoreHealth
0.332/10

Distress zone — elevated risk

LRCX2 concerns · Avg: 2.0/10
P/E RatioValuation
46.9x2/10

Premium valuation, high expectations priced in

Price/BookValuation
31.8x2/10

Trading at 31.8x book value

Comparative Analysis Report

WallStSmart Research

Bull Case : AMT

The strongest argument for AMT centers on Operating Margin, EPS Growth, Market Cap. Profitability is solid with margins at 26.8% and operating margin at 45.3%.

Bull Case : LRCX

The strongest argument for LRCX centers on Market Cap, Return on Equity, Profit Margin. Profitability is solid with margins at 30.9% and operating margin at 35.0%. Revenue growth of 23.8% demonstrates continued momentum.

Bear Case : AMT

The primary concerns for AMT are PEG Ratio, P/E Ratio, Price/Book.

Bear Case : LRCX

The primary concerns for LRCX are P/E Ratio, Price/Book. A P/E of 46.9x leaves little room for execution misses.

Key Dynamics to Monitor

AMT profiles as a mature stock while LRCX is a growth play — different risk/reward profiles.

LRCX carries more volatility with a beta of 1.79 — expect wider price swings.

LRCX is growing revenue faster at 23.8% — sustainability is the question.

AMT generates stronger free cash flow (951M), providing more financial flexibility.

Bottom Line

LRCX scores higher overall (76/100 vs 72/100), backed by strong 30.9% margins and 23.8% revenue growth. AMT offers better value entry with a 17.6% margin of safety. Both earn "Strong Buy" and "Strong 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.

American Tower Corp

REAL ESTATE · REIT - SPECIALTY · USA

American Tower Corporation (also referred to as American Tower or ATC) is an American real estate investment trust and an owner and operator of wireless and broadcast communications infrastructure in several countries worldwide and is headquartered in Boston, Massachusetts.

Lam Research Corp

TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS · USA

Lam Research Corporation is an American corporation that engages in the design, manufacture, marketing, and service of semiconductor processing equipment used in the fabrication of integrated circuits. Its products are used primarily in front-end wafer processing, which involves the steps that create the active components of semiconductor devices (transistors, capacitors) and their wiring (interconnects). The company also builds equipment for back-end wafer-level packaging (WLP), and for related manufacturing markets such as for microelectromechanical systems (MEMS). The company is headquartered in Fremont, California, in the Silicon Valley.

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