Compare StocksCMCSA vs LMT

Comcast Corporation (CMCSA) vs Lockheed Martin Corporation (LMT): Which Is the Better Buy in 2026?

As of 2026-06-19, CMCSA is undervalued at $22, with a DCF intrinsic value of $107 and a margin of safety of 79%. LMT is overvalued at $511, with an intrinsic value of $381 and a margin of safety of -34%. Of the two, CMCSA has the wider margin of safety.

CMCSA
Comcast Corporation
$22.43
VS
LMT
Lockheed Martin Corporation
$510.95

Rewards

CMCSA
  • Gross margin of 70.1% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Free cash flow has grown at a 15.0% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Share count has been reduced by 15% over the past 4 years through buybacks, increasing each share's claim on earnings.
LMT
  • Lockheed Martin Corporation has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • Lockheed Martin Corporation scores 74/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.

Risks

CMCSA
  • PEG ratio of 142.98 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • Altman Z-Score of 1.37 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
LMT
  • Gross margin of 9.9% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • FCF yield of 5.9% suggests reasonable valuation assuming continued moderate growth.
  • High leverage (2.51x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.

Key Valuation Metrics

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CMCSA
LMT
Valuation
$19.23B
Free Cash Flow
$6.91B
24.01%
FCF Yield
5.86%
4.40
Trailing P/E
24.77
5.93
Forward P/E
15.92
Quality & Moat
7.10%
ROIC
23.16%
20.92%
ROE
67.64%
70.13%
Gross Margin
9.91%
142.98
PEG Ratio
1.13
Balance Sheet Safety
0.96
Net Debt / Equity
2.51
N/A
Interest Coverage
N/A
2.41
Net Debt / EBITDA
2.35
5.82%
Dividend Yield
2.54%
CMCSA: 7Ties: 2LMT: 3
CMCSALMT

Historical Fundamentals

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CMCSA

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

LMT

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

$1 Retained Earnings Test

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CMCSA
$-1.01
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$37.10B
Δ Market Cap
$-37.35B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer
LMT
$-1.60
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$8.03B
Δ Market Cap
$-12.81B
Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Buffett's "$1 Test": For every $1 of earnings retained, has management created at least $1 of market value?
> $1 created per $1 retained = Value Creator · < $1 created = Value Destroyer

Discounted Cash Flow (DCF) Analysis

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CMCSA
79.0% Margin of Safety
Price is 79.0% below estimated fair value
Current Price: $22.43
Fair Value: $106.88
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
LMT
34.0% Overvalued
Price is 34.0% above estimated fair value
Current Price: $510.95
Fair Value: $381.34
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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CMCSA

What growth rate is the market pricing in at $22?

-5.8%
Market-Implied Owner Earnings Growth
Standard FCF implies -4.0%

The market implies -5.8% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -4.0%, reflecting heavy growth investment expected to generate future returns.

LMT

What growth rate is the market pricing in at $511?

+11.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +7.5%

The market implies +11.8% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +7.5%, reflecting heavy growth investment.

Economic Moat Score

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CMCSA
67/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with margin stability as the key competitive advantage. Improving roic consistency would strengthen the moat.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.
LMT
74/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by revenue predictability. Margin Stability is the area most vulnerable to competitive pressure.

Composite score measuring competitive advantage durability across four dimensions: returns above cost of capital, pricing power stability, revenue predictability, and capital efficiency. Based on 4 years of fundamental data.

Forensic Accounting

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CMCSA
-2.73
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.
LMT
-2.23
Unlikely Manipulator
Above -1.78 = likely manipulator · -2.22 to -1.78 = grey zone

M-Score Trend

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Beneish's 8-variable model estimates the probability of earnings manipulation. An M-Score above -1.78 signals elevated risk — companies in this range have historically been 3-5× more likely to be manipulating earnings. Scores between -2.22 and -1.78 fall in a grey zone warranting further investigation.

Ownership Breakdown

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CMCSA
Insiders 0.7%Institutions 93.7%Retail & Other 5.6%
No. of Institutional Holders2,738
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.
LMT
Insiders 0.1%Institutions 76.0%Retail & Other 23.9%
No. of Institutional Holders3,414
High insider ownership aligns management incentives with shareholders — a key signal in Buffett-style analysis. Institutional concentration can indicate smart-money conviction but also crowding risk.

High insider ownership aligns management incentives with shareholders. Institutional concentration can indicate smart-money conviction but also crowding risk.

Insider Buying Activity

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CMCSA
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
LMT
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises

Open market purchases · includes direct & indirect ownership · excludes option exercises.

Insider Selling Activity

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CMCSA
0
Sells (3M)
2
Sells (12M)
Total value (12M): $388,385
ARMSTRONG JASON S
Chief Financial Officer
$142,617
@ $31.73 · 2026-03-05
NAKAHARA ASUKA
Director
$245,768
@ $29.70 · 2026-02-03
ROBERTS BRIAN L
Chief Executive Officer
$20.06M
@ $42.73 · 2024-11-27
BACON KENNETH J
Director
$625,093
@ $43.39 · 2024-11-22
ARMSTRONG JASON S
Chief Financial Officer
$1.04M
@ $44.84 · 2024-11-06
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
LMT
0
Sells (3M)
4
Sells (12M)
Total value (12M): $10.29M
CAHILL TIMOTHY S
Officer
$3.00M
@ $649.47 · 2026-03-11
ULMER GREGORY M
Officer
$1.87M
@ $658.08 · 2026-02-27
HILL STEPHANIE C
Officer
$1.59M
@ $660.64 · 2026-02-24
ST JOHN FRANK A
Chief Operating Officer
$3.83M
@ $491.04 · 2025-10-23
HILL STEPHANIE C
Officer
$2.12M
@ $442.51 · 2025-02-26
LIGHTFOOT ROBERT M JR
Officer
$1.42M
@ $442.42 · 2025-02-26
PAUL HARRY EDWARD III
Officer
$312,923
@ $442.61 · 2025-02-26
HILL STEPHANIE C
Officer
$1.78M
@ $542.72 · 2024-08-01
CAHILL TIMOTHY S
Officer
$2.05M
@ $515.36 · 2024-07-24
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives

Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.

🎭 Mr. Market's Mood

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CMCSA
FearGreed
😨Fear(30/100)

"Market is pessimistic — investigate whether fears are temporary or structural"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.
LMT
FearGreed
😐Neutral(44/100)

"Market is pricing this stock without strong emotion in either direction"

Composite sentiment score based on 6 market signals. Inspired by Buffett's "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

Composite sentiment score based on market signals. Inspired by Buffett’s "Mr. Market" allegory — fear = potential opportunity, greed = potential risk. Must be used alongside fundamental analysis, not in isolation.

⚖️ Buffett Signal

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CMCSA
Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Fear (30)
LMT
Awaiting DCF Data

The Buffett Signal cross-references market sentiment with DCF valuation. Configure the DCF Analysis above to generate a signal.

DCF Margin of Safety: N/AMr. Market's Mood: Neutral (44)
View CMCSA Full AnalysisView LMT Full Analysis

Frequently Asked Questions: CMCSA vs LMT

Is Comcast Corporation or Lockheed Martin Corporation more undervalued in 2026?

Based on our discounted cash flow model, CMCSA trades at a 79.0% margin of safety (intrinsic value $107 vs. price $22), compared to LMT's -34.0% margin of safety (intrinsic $381 vs. $511).

Which stock has a wider economic moat, Comcast Corporation or Lockheed Martin Corporation?

LMT scores 74/100 (Wide moat), while CMCSA scores 67/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Comcast Corporation in financial distress?

CMCSA's Altman Z-Score of 1.4 places it in the Distress zone, signaling elevated bankruptcy risk. LMT scores 3.3 (Safe zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

Which company has better free cash flow, Comcast Corporation or Lockheed Martin Corporation?

Comcast Corporation (CMCSA) generates a 24.0% free cash flow yield, compared to Lockheed Martin Corporation's 5.9%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.

Which stock has higher return on invested capital, Comcast Corporation or Lockheed Martin Corporation?

LMT earns 23.2% ROIC versus CMCSA's 7.1%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

Which dividend is safer, Comcast Corporation's or Lockheed Martin Corporation's?

CMCSA's dividend earns a safety score of 94/100 (Very Safe), compared to LMT's 84/100 (Very Safe). CMCSA has raised its dividend for 3 consecutive years.