SafetyMargin.ioSafetyMargin.io
BlogWatchlistCompare
Compare Stocks › BRK-B vs FOXA

Berkshire Hathaway Inc. (BRK-B) vs Fox Corporation (FOXA)

BRK-B
Berkshire Hathaway Inc.
$473.01
VS
FOXA
Fox Corporation
$63.35

Rewards

BRK-B
  • ★Each dollar of retained earnings has created $3.95 of earning power — management is an exceptional capital allocator.
  • ★PEG ratio of 0.13 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
  • ★Net debt/EBITDA of -2.3x means the company holds more cash than debt — a net cash position.
FOXA
  • ★Fox Corporation has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • ★Fox Corporation scores 85/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
  • ★Free cash flow has grown at a 23.8% CAGR over the past 4 years, demonstrating strong earnings power growth.

Risks

BRK-B
  • ⚠FCF yield of 6.0% suggests reasonable valuation assuming continued moderate growth.
  • ⚠Trailing P/E of 15.2x is 72% above the historical average of 8.9x — the stock trades at a premium to its own history.
FOXA
  • ⚠PEG ratio of 14.54 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • ⚠Insiders have sold $26.5M worth of stock in the past 3 months — significant insider liquidation.

Key Valuation Metrics

Learn more →
BRK-B
FOXA
Valuation
$61.23B
Free Cash Flow
$2.99B
6.00%
FCF Yield
11.11%
15.24
Trailing P/E
15.19
21.95
Forward P/E
12.28
Quality & Moat
4.96%
ROIC
7.98%
9.18%
ROE
20.35%
27.78%
Gross Margin
35.44%
0.13
PEG Ratio
14.54
Balance Sheet Safety
0.18
Debt / Equity
0.67
N/A
Interest Coverage
N/A
-2.28
Net Debt / EBITDA
1.55
N/A
Dividend Yield
0.88%
BRK-B: 4Ties: 2FOXA: 5
BRK-BFOXA

Historical Fundamentals

Learn more →
BRK-B

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

FOXA

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

$1 Retained Earnings Test

Learn more →
BRK-B
$1.66
created per $1 retained over 3 years
Value Creator
Σ Retained
$252.19B
Δ Market Cap
+$417.89B
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
FOXA
$3.83
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$4.15B
Δ Market Cap
+$15.89B
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

Learn more →
BRK-B
31.0% Margin of Safety
Price is 31.0% below estimated fair value
Current Price: $473.01
Fair Value: $685.41
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
FOXA
49.8% Margin of Safety
Price is 49.8% below estimated fair value
Current Price: $63.35
Fair Value: $126.18
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

Learn more →
BRK-B

What growth rate is the market pricing in at $473?

-0.3%
Market-Implied Owner Earnings Growth
Standard FCF implies +1.0%

The market implies -0.3% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +1.0%, reflecting heavy growth investment.

FOXA

What growth rate is the market pricing in at $63?

+3.2%
Market-Implied Owner Earnings Growth
Standard FCF implies -0.7%

The market implies +3.2% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -0.7%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

Learn more →
BRK-B
40/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with reinvestment efficiency as the key competitive advantage. Improving revenue predictability 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 5 years of fundamental data.
FOXA
85/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Reinvestment Efficiency is the standout factor.

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

Learn more →
BRK-B
-2.41
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.
FOXA
-2.59
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

Learn more →
BRK-B
Insiders 0.3%Institutions 66.2%Retail & Other 33.6%
No. of Institutional Holders5,818
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.
FOXA
Insiders 1.3%Institutions 122.7%
No. of Institutional Holders1,105
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

Learn more →
BRK-B
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
FOXA
0
Buys (3M)
1
Buys (12M)
Total value (12M): $543,191
LGC HOLDCO, LLC
Beneficial Owner of more than 10% of a Class of Security
$543,191
@ $57.19 · 2025-09-10
MURDOCH LACHLAN KEITH
Chief Executive Officer
$4.68M
@ $39.06 · 2024-08-15
Open market purchases · includes direct & indirect ownership · excludes option exercises

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

Insider Selling Activity

Learn more →
BRK-B
0
Sells (3M)
0
Sells (12M)
No open market insider sales found.
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
FOXA
1
Sells (3M)
6
Sells (12M)
Total value (12M): $52.56M
NALLEN JOHN P
President
$26.49M
@ $57.71 · 2026-03-12
CIONGOLI ADAM GREY
Officer
$2.08M
@ $69.55 · 2025-12-09
TOMSIC STEVEN
Chief Financial Officer
$9.21M
@ $66.54 · 2025-11-10
MURDOCH KEITH RUPERT
Divisional Officer
$11.13M
@ $65.97 · 2025-11-07
RYAN PAUL D
Director
$1.14M
@ $64.36 · 2025-10-31
TOMSIC STEVEN
Chief Financial Officer
$2.50M
@ $55.31 · 2025-06-04
MURDOCH KEITH RUPERT
Former
$44.16M
@ $46.10 · 2024-11-26
NALLEN JOHN P
Chief Operating Officer
$7.98M
@ $43.73 · 2024-11-05
MURDOCH LACHLAN KEITH
Chief Executive Officer
$4.68M
@ $39.06 · 2024-08-15
NALLEN JOHN P
Chief Operating Officer
$2.06M
@ $38.96 · 2024-08-15
TOMSIC STEVEN
Chief Financial Officer
$1.03M
@ $34.26 · 2024-06-07
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

Learn more →
BRK-B
FearGreed
😐Neutral(52/100)

"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.
FOXA
FearGreed
😐Neutral(47/100)

"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

Learn more →
BRK-B
⚪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 (52)
FOXA
⚪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 (47)
View BRK-B Full AnalysisView FOXA Full Analysis
BRK-B vs FOXA: Which Is the Better Buy? | SafetyMargin.io