WallStSmart

American Tower Corp (AMT)vsMagnite Inc (MGNI)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

American Tower Corp generates 1397% more annual revenue ($10.82B vs $722.55M). AMT leads profitability with a 26.8% profit margin vs 22.0%. MGNI appears more attractively valued with a PEG of 0.09. AMT earns a higher WallStSmart Score of 72/100 (B).

AMT

Strong Buy

72

out of 100

Grade: B

Growth: 6.7Profit: 9.0Value: 5.3Quality: 3.0
Piotroski: 4/9Altman Z: 0.36

MGNI

Strong Buy

70

out of 100

Grade: B-

Growth: 7.3Profit: 6.0Value: 9.3Quality: 5.5
Piotroski: 4/9Altman Z: 0.37
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AMTUndervalued (+7.0%)

Margin of Safety

+7.0%

Fair Value

$194.13

Current Price

$194.12

$0.01 discount

UndervaluedFair: $194.13Overvalued
MGNIUndervalued (+49.4%)

Margin of Safety

+49.4%

Fair Value

$23.30

Current Price

$14.68

$8.62 discount

UndervaluedFair: $23.30Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AMT5 strengths · Avg: 9.6/10
Return on EquityProfitability
78.8%10/10

Every $100 of equity generates 79 in profit

Operating MarginProfitability
45.9%10/10

Strong operational efficiency at 45.9%

EPS GrowthGrowth
76.9%10/10

Earnings expanding 76.9% YoY

Market CapQuality
$86.44B9/10

Large-cap with strong market position

Profit MarginProfitability
26.8%9/10

Keeps 27 of every $100 in revenue as profit

MGNI6 strengths · Avg: 9.2/10
PEG RatioValuation
0.0910/10

Growing faster than its price suggests

EPS GrowthGrowth
230.0%10/10

Earnings expanding 230.0% YoY

Debt/EquityHealth
0.0910/10

Conservative balance sheet, low leverage

Profit MarginProfitability
22.0%9/10

Keeps 22 of every $100 in revenue as profit

P/E RatioValuation
13.7x8/10

Attractively priced relative to earnings

Price/BookValuation
2.3x8/10

Reasonable price relative to book value

Areas to Watch

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

Expensive relative to growth rate

P/E RatioValuation
29.9x4/10

Moderate valuation

Price/BookValuation
25.7x2/10

Trading at 25.7x book value

Altman Z-ScoreHealth
0.362/10

Distress zone — elevated risk

MGNI3 concerns · Avg: 2.3/10
Operating MarginProfitability
4.7%3/10

Operating margin of 4.7%

Free Cash FlowQuality
$-130.17M2/10

Negative free cash flow — burning cash

Altman Z-ScoreHealth
0.372/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : AMT

The strongest argument for AMT centers on Return on Equity, Operating Margin, EPS Growth. Profitability is solid with margins at 26.8% and operating margin at 45.9%.

Bull Case : MGNI

The strongest argument for MGNI centers on PEG Ratio, EPS Growth, Debt/Equity. Profitability is solid with margins at 22.0% and operating margin at 4.7%. PEG of 0.09 suggests the stock is reasonably priced for its growth.

Bear Case : AMT

The primary concerns for AMT are PEG Ratio, P/E Ratio, Price/Book. Debt-to-equity of 12.36 is elevated, increasing financial risk.

Bear Case : MGNI

The primary concerns for MGNI are Operating Margin, Free Cash Flow, Altman Z-Score.

Key Dynamics to Monitor

MGNI carries more volatility with a beta of 2.32 — expect wider price swings.

AMT is growing revenue faster at 6.8% — sustainability is the question.

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

Monitor REIT - SPECIALTY industry trends, competitive dynamics, and regulatory changes.

Bottom Line

AMT scores higher overall (72/100 vs 70/100), backed by strong 26.8% margins. MGNI offers better value entry with a 49.4% 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.

Magnite Inc

COMMUNICATION SERVICES · ADVERTISING AGENCIES · USA

Magnite, Inc. operates an independent sales advertising platform in the United States and internationally. The company is headquartered in Los Angeles, California.

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