WallStSmart

Iron Mountain Incorporated (IRM)vsT-Mobile US Inc (TMUS)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

T-Mobile US Inc generates 1212% more annual revenue ($90.53B vs $6.90B). TMUS leads profitability with a 11.7% profit margin vs 2.1%. TMUS appears more attractively valued with a PEG of 0.78. TMUS earns a higher WallStSmart Score of 62/100 (C+).

IRM

Buy

52

out of 100

Grade: C-

Growth: 6.0Profit: 7.0Value: 2.7Quality: 3.3
Piotroski: 2/9Altman Z: 0.12

TMUS

Buy

62

out of 100

Grade: C+

Growth: 4.0Profit: 7.0Value: 5.3Quality: 4.0
Piotroski: 4/9Altman Z: 1.06
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

IRMOvervalued (-10.8%)

Margin of Safety

-10.8%

Fair Value

$90.41

Current Price

$125.99

$35.58 premium

UndervaluedFair: $90.41Overvalued
TMUSSignificantly Overvalued (-65.6%)

Margin of Safety

-65.6%

Fair Value

$134.07

Current Price

$195.50

$61.43 premium

UndervaluedFair: $134.07Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

IRM3 strengths · Avg: 8.7/10
Return on EquityProfitability
225.1%10/10

Every $100 of equity generates 225 in profit

Operating MarginProfitability
22.0%8/10

Strong operational efficiency at 22.0%

Revenue GrowthGrowth
16.6%8/10

16.6% revenue growth

TMUS4 strengths · Avg: 8.5/10
Market CapQuality
$211.57B10/10

Mega-cap, among the largest globally

PEG RatioValuation
0.788/10

Growing faster than its price suggests

Operating MarginProfitability
21.5%8/10

Strong operational efficiency at 21.5%

Free Cash FlowQuality
$4.18B8/10

Generating 4.2B in free cash flow

Areas to Watch

IRM4 concerns · Avg: 2.5/10
Profit MarginProfitability
2.1%3/10

2.1% margin — thin

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

PEG RatioValuation
2.702/10

Expensive relative to growth rate

P/E RatioValuation
229.0x2/10

Premium valuation, high expectations priced in

TMUS3 concerns · Avg: 2.3/10
Debt/EquityHealth
1.993/10

Elevated debt levels

EPS GrowthGrowth
-12.0%2/10

Earnings declined 12.0%

Altman Z-ScoreHealth
1.062/10

Distress zone — elevated risk

Comparative Analysis Report

WallStSmart Research

Bull Case : IRM

The strongest argument for IRM centers on Return on Equity, Operating Margin, Revenue Growth. Revenue growth of 16.6% demonstrates continued momentum.

Bull Case : TMUS

The strongest argument for TMUS centers on Market Cap, PEG Ratio, Operating Margin. Revenue growth of 10.6% demonstrates continued momentum. PEG of 0.78 suggests the stock is reasonably priced for its growth.

Bear Case : IRM

The primary concerns for IRM are Profit Margin, Piotroski F-Score, PEG Ratio. A P/E of 229.0x leaves little room for execution misses. Thin 2.1% margins leave little buffer for downturns.

Bear Case : TMUS

The primary concerns for TMUS are Debt/Equity, EPS Growth, Altman Z-Score. Debt-to-equity of 1.99 is elevated, increasing financial risk.

Key Dynamics to Monitor

IRM profiles as a growth stock while TMUS is a value play — different risk/reward profiles.

IRM carries more volatility with a beta of 1.15 — expect wider price swings.

IRM is growing revenue faster at 16.6% — sustainability is the question.

TMUS generates stronger free cash flow (4.2B), providing more financial flexibility.

Bottom Line

TMUS scores higher overall (62/100 vs 52/100) and 10.6% revenue growth. Both earn "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.

Iron Mountain Incorporated

REAL ESTATE · REIT - SPECIALTY · USA

Iron Mountain Inc. (NYSE: IRM) is an American enterprise information management services company founded in 1951 and headquartered in Boston, Massachusetts.

T-Mobile US Inc

COMMUNICATION SERVICES · TELECOM SERVICES · USA

T-Mobile US, Inc., doing business under the global brand name T-Mobile, is an American wireless network operator. Its headquarters are located in Bellevue, Washington, in the Seattle metropolitan area and Overland Park, Kansas, in the Kansas City metropolitan area.

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