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ZYBERNO
Stock Report
Updated Aug 28, 2026

AMERICAN TOWER CORPORATION (AMT)

Financial Services • NYSE

$174.16
American Tower Corporation is an American real estate investment trust headquartered in Boston, Massachusetts, and one of the world's largest owners and operators of communications real estate. The company owns, operates, and develops wireless and broadcast communications infrastructure including approximately 225,000 cell towers, distributed antenna systems, and data centers in the United States and internationally across Europe, Latin America, Africa, and Asia, leasing tower space to wireless carriers and other communications providers.

Professional Investment Analysis

ZYBERNO SCORE →
Is it a great business? Is it getting better?
58.0/100
AVERAGE BUSINESS
AMERICAN TOWER CORPORATION (AMT) scores 58/100 — decent metrics but limited evidence of durable competitive advantage.
📊 How is the Zyberno Score calculated? +
VALUATION SIGNAL
MARGIN OF SAFETY
Is this stock cheap or expensive relative to what the business has historically generated for owners?
+29.1%
Undervalued
Is the market underestimating or overestimating what this business is capable of going forward?
-12.5%
Market Overestimates
↑ UNDER
+50%
Brina Gap
-50%
↓ OVER
← OVERVALUED
-100%
Margin of Safety
UNDERVALUED →
+100%
UNDERESTIMATED
GROWTH
DOUBLE
DISCOUNT
EXPENSIVE
HYPE
VALUE
TRAP
0,0
MoS +29.1%  ·  Gap -12.5%

Two independent signals. One tells you if the stock is cheap relative to what the business has historically generated for owners — the Margin of Safety. The other tells you if the market is underestimating what the business is capable of going forward — the Brina Gap.

They are calculated from completely different data sources and answer completely different questions. The Margin of Safety reads the past. The Brina Gap reads the present economics and compares them against what the current stock price is assuming about the future.

When both point in the same direction simultaneously — DOUBLE DISCOUNT — the probability of genuine mispricing is high. The market is wrong on two independent dimensions at once, which is rare and significant.

The most dangerous scenario is not an overvalued stock — those are easy to avoid. It is a VALUE TRAP: a stock that appears cheap historically but where the market is already pricing in stronger growth than the business fundamentals support. Without the Brina Gap signal this looks identical to a genuine opportunity. The matrix separates them instantly.

The Brina Gap is the more powerful of the two signals. Most investors and analytical tools focus on valuation alone — whether a stock is cheap relative to earnings. Far fewer systematically compare what the business economics structurally support against what the stock price is actually assuming. That gap between fundamental growth potential and market expectations is where the most reliable mispricings live, and where this matrix earns its value.

Use this as your first filter. A stock in DOUBLE DISCOUNT territory is worth investigating. Everything else requires either more caution or a specific reason to act.

VALUE TRAP SIGNAL
AMERICAN TOWER CORPORATION (AMT) appears cheap historically (Margin of Safety +29.1%) but the Brina Gap (-12.5%) shows the market already prices in stronger growth than fundamentals support. Verify before acting.
🎯 Expected Annual Return →
27.6%
Margin of Safety convergence — your return if the market re-prices to intrinsic value (5-yr annualised)
-16.6%
Brina Gap convergence — your return if the market corrects the growth mispricing the Gap measures
4.9%
Yield + growth — what the business alone earns you, even if the market never re-rates
💰 How is Margin of Safety calculated? +
📈 How is Brina Gap calculated? +

Critical Financial Health Indicators

Return on Equity (Profitability):EXCELLENT (28.8%)
Debt-to-Equity (Solvency Risk):CRITICAL (4.45x)
Operating Margin (Operational Efficiency):EXCELLENT (44.7%)
Return on Capital (Capital Efficiency):POOR (8.0%)
📊 Valuation Trilogy
Three interconnected metrics for complete valuation analysis
💎
Intrinsic Value
DCF Fair Value
$245.71
🛡️
Margin of Safety
Valuation Gap
29.1%
🎯
Expected Return
Projected Annual
27.6%
Click any metric for full methodology and detailed analysis
Zyberno's Verdict

According to Zyberno, AMERICAN TOWER CORPORATION (AMT) shows a Value Trap signal — AVERAGE BUSINESS (58/100) with an apparent Margin of Safety of +29.1%, but a Brina Gap of -12.5% reveals the current price still assumes faster growth than the business can deliver.

According to Zyberno's DCF model, AMERICAN TOWER CORPORATION (AMT) trades at $174.16 against an estimated intrinsic value per share of $245.71 — a +29.1% Margin of Safety based on Owner Earnings of $3.83B TTM, projected at 19.1% growth for 10 years with a 2.5% terminal growth rate. The Brina Gap of -12.5% weakens the case: based on the company's ROIC (8.0%) and reinvestment rate (2.2%), the business can fundamentally grow at 0.2% — but the current enterprise value implies the market expects 12.6%. This places AMT in the Value Trap quadrant of the Brina Matrix — a value-trap signal where the apparent discount is undermined by overpriced growth expectations. Zyberno's model translates this into a 5-year expected return of 27.6% annually.

Over the trailing twelve months, AMT generated $3.83B in Owner Earnings. Capital was deployed as follows: $176.20M returned via share buybacks, $3.22B paid as dividends, $1.80B invested in capital expenditures. Reinvestment rate: 2.2%. Owner Earnings have grown at 19.1% annually over the trailing five years using log-linear regression.

DIVISION I: EXECUTIVE SUMMARY
A. Market Valuation

Market Price & Capitalization (2)

Current Price:174.16
Market Cap:$81.19B

Valuation Multiples (4)

P/E Ratio:
28.09x
📊 Click to view full AMT P/E analysis →
P/B Ratio:8.00x
P/S Ratio:7.50x
Peg Ratio:0.47x

Enterprise Metrics (3)

Enterprise Value:$123.03B
Ev Ebitda Ratio:16.90x
Pfcf Ratio:21.53x

Price Action & Momentum (3)

12-1 Momentum:
-15.2% (20th pctile)
📈 Click to view full AMT Momentum analysis →
Momentum Percentile:20 / 100
% of 52-Week High:82.2%
B. Profitability Assessment

Return Metrics (7)

ROE:
28.8%
📊 Click to view full AMT ROE analysis →
ROA:4.7%
Roic:
8.0%
📊 Click to view full AMT ROIC analysis →
Reinvestment Rate:2.2%
Fundamental Growth Rate (g):0.2%
Market-Implied Growth Rate:12.6%
Brina Gap:
-12.5%
☷ Click to view full AMT Brina Gap analysis →

Margin Analysis (3)

Operating Margin Ttm:44.7%
Net Margin Ttm:27.8%
Ebitda Margin:67.3%

TTM Performance (2)

Operating Margin Ttm:44.7%
Net Margin Ttm:27.8%

Yield Metrics (3)

Earnings Yield:$3.56
Owner Earnings Yield:$4.72
Dividend Yield:4.0%
C. Log-Linear Regression Growth Trends

Earnings Surprise (SUE) (3)

Earnings Surprise (SUE):
+0.59
📊 Click to view full AMT Earnings Surprise analysis →
EPS Surprise vs Expected:78.6%
Latest Earnings Filed:2026-04-28

Revenue Growth (Linear) (1)

Revenue Growth Rate (Linear):-0.5%

Earnings Growth (Linear) (1)

Net Income Growth Rate (Linear):11.0%

Cash Flow Growth (Linear) (2)

Free Cash Flow Growth Rate (Linear):18.8%
Operating Cash Flow Growth Rate (Linear):10.3%

Operating Growth (Linear) (1)

Operating Income Growth Rate (Linear):24.8%
D. Financial Stability

Liquidity Ratios (3)

Current Ratio:0.30x
Quick Ratio:0.30x
Cash Ratio:0.17x

Leverage Analysis (3)

Debt To Equity Ttm:4.45x
Debt-to-Equity Ratio:4.45x
Debt To Ebitda:5.97x

Coverage Ratios (2)

Interest Coverage Ratio:3.51x
Times Interest Earned:3.51

Capital Structure (4)

Working Capital:-6,763,000,000.00
Cash And Cash Equivalents:1,608,800,000.00
Long Term Debt:$37.32B
Net Debt:$41.83B
DIVISION II: FINANCIAL STATEMENTS ANALYSIS
A. Income Statement Analysis

Revenue Components (2)

Revenue TTM: $10.82B
Linear Growth: -53.0%
📊 Click to view full AMT Revenue analysis & methodology →
Cost Of Revenue Ttm:$0.00

Profitability Breakdown (2)

$0.00
Operating income TTM: $4.83B
Linear Growth: 24.8%
📊 Click to view full AMT Operating Income analysis & methodology →

Bottom Line Performance (3)

Net income TTM: $3.01B
Linear Growth: 11.0%
📊 Click to view full AMT Net Income analysis & methodology →
Income Before Tax:$3.44B
Ebitda Ttm:7,277,600,000.00

Operating Expenses (5)

Operating Expenses:5,988,400,000.00
R And D Expense:0.00
Sga Expense:960,600,000.00
Income Tax Expense:$436.40M
Interest Expense:1,381,400,000.00

Expense Ratios (3)

R And D To Revenue Percentage:0.0%
Sga To Revenue Percentage:35.1%
Ebitda Margin:67.3%
B. Balance Sheet Analysis

Asset Composition (5)

Total Assets:$63.23B
Current Assets:$2.96B
Ppe Net:0.00
Goodwill:12,192,700,000.00
Intangible Assets:$14.23B

Liability Structure (4)

Total Liabilities:53,082,500,000.00
Current Liabilities:9,719,400,000.00
Long Term Debt:$37.32B
Short Term Debt:$6.12B

Equity & Capital (3)

Equity:$10.15B
Retained Earnings:-$5.06B
Common Stock:1,000,000,000.00

Working Capital Items (3)

Accounts Receivable:718,900,000.00
Inventory:0.00
Accounts Payable:1,092,200,000.00

Special Items (2)

Contract Liabilities:459,900,000.00
Stock Based Compensation:58,400,000.00
C. Cash Flow Analysis

Operating Activities (2)

Operating cash flow TTM: $5.57B
Linear Growth: 10.3%
Free cash flow TTM: $3.77B
Linear Growth: 18.8%
📊 Click to view full AMT Free Cash Flow analysis & methodology →

Investment Activities (2)

Investing Cash Flow:-$473.70M
Capital Expenditures Ttm:1,798,800,000.00

Financing Activities (3)

Financing Cash Flow:-$831.00M
Dividends Paid Ttm:3,216,600,000.00
Stock Repurchase:176,200,000.00

Capital Transactions (3)

Common Stock Issuance:19,200,000.00
Long Term Debt Issuance:$0.00
Long Term Debt Repayments:$0.00

Non-Cash Items (1)

Depreciation Amortization Ttm:2,446,700,000.00
DIVISION III: OPERATIONAL METRICS
A. Per Share Analysis

Earnings Per Share (3)

EPS (Basic TTM):6.20
Eps diluted TTM: $6.20
Linear Growth: 83.0%
📊 Click to view full AMT EPS analysis & methodology →
Earnings Per Share Ttm:$6.45

Revenue & Cash Per Share (3)

Sales Per Share Ttm:23.21
Operating Cash Flow Per Share:$11.72
Fcf Per Share Ttm:8.09

Book Value & Capital (2)

Book Value Per Share:$21.78
Cash Per Share:3.45

Dividend Policy (1)

Dividend Payout Ratio:112.43x
B. Operational Efficiency

Asset Utilization (2)

Asset Turnover Ttm:0.17x
Working Capital Turnover Ttm:-999.00x

Receivables Management (2)

Receivables Turnover Ttm:15.05x
Days Sales Outstanding Ttm:24.25

Inventory Management (2)

Inventory Turnover Ttm:-999.00x
Days Inventory Outstanding Ttm:-999.00

Payables & Cash Cycle (2)

Days Payable Outstanding:36.85
Cash Conversion Cycle:-1,011.59
C. Quality & Risk Metrics

Financial Quality Scores (2)

Financial Strength Score:0.00
Quality Score:75.00

Market Metrics (2)

Beta:0.00x
Volatility Category:unknown
DIVISION IV: INVESTMENT ANALYSIS
A. Value Investment Framework

Owner Earnings Analysis (3)

Owner earnings TTM: $3.83B
Linear Growth: 19.1%
📊 Click to view full AMT Owner Earnings analysis & methodology →
Owner Earnings Per Share:$8.22
Owner Earnings Yield:$4.72

Growth Assessment (1)

Owner Earnings Growth Rate:$19.11

Damodaran Growth Analysis (4)

Reinvestment Rate:2.2%
Fundamental Growth Rate (g):0.2%
Market-Implied Growth Rate:12.6%
Brina Gap:
-12.5%
☷ Click to view full AMT Brina Gap analysis →

Intrinsic Value Models (1)

Intrinsic Value:
$114.55B
📊 Click to view full AMT DCF valuation →

Margin of Safety (1)

Margin Of Safety:
29.1%
📊 Click to view full AMT valuation analysis →

Return Scenarios (2)

Theoretical 5-Year Return:
27.6%
📊 Click to view full AMT expected return analysis →
Forward Expected Return (Yield + Growth):
4.9%
📊 Click to view full AMT expected return analysis →

Investment Assessment (1)

Buffett Assessment:Good margin of safety
B. Log-Linear Regression Growth Analysis

Growth Rates (Log-Linear Regression) (3)

Revenue Growth Rate (Linear):-0.5%
Net Income Growth Rate (Linear):11.0%
Operating Income Growth Rate (Linear):24.8%

Cash Flow Growth Rates (2)

Free Cash Flow Growth Rate (Linear):18.8%
Operating Cash Flow Growth Rate (Linear):10.3%

Other Growth Rates (2)

Book Value Growth Rate (Linear):-0.9%
Owner Earnings Growth Rate:$19.11
C. Company Profile & Context

Corporate Information (6)

Symbol:AMT
Company Name:AMERICAN TOWER CORPORATION
Sector:Financial Services
Industry:Real Estate
Exchange:NYSE
Country:United States

Market Classification (3)

Market Cap Category:N/A
Price Category:high
Volume Category:N/A

Share Structure (3)

Shares Outstanding:466.20M
Shares Outstanding Basic:466.20M
Shares Outstanding Diluted:466.83M

Data Processing Info (3)

Processing Version:v3.0
Last Updated:2026-08-28 09:37:25 UTC
Data Timestamp:2026-08-28T09:37:25.989995
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