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Compare Stocks › BRK-B vs REGN

Berkshire Hathaway Inc. (BRK-B) vs Regeneron Pharmaceuticals, Inc. (REGN)

BRK-B
Berkshire Hathaway Inc.
$481.48
VS
REGN
Regeneron Pharmaceuticals, Inc.
$737.45

Rewards

BRK-B
  • ★Each dollar of retained earnings has created $1.66 of market value — management is creating shareholder value.
  • ★Net debt/EBITDA of -2.2x means the company holds more cash than debt — a net cash position.
REGN
  • ★Altman Z-Score of 7.56 indicates very low bankruptcy risk — the company is firmly in the safe zone.
  • ★Net debt/EBITDA of -1.3x means the company holds more cash than debt — a net cash position.

Risks

BRK-B
  • ⚠Berkshire Hathaway Inc. scores only 16/100 on the Economic Moat Score, suggesting limited durable competitive advantages.
  • ⚠Trailing P/E of 15.5x is 75% above the historical average of 8.9x — the stock trades at a premium to its own history.
REGN
  • ⚠ROIC has declined by 6.1 percentage points over the observed period, which may signal competitive erosion.
  • ⚠Each dollar of retained earnings has produced only $0.20 of market value — shareholders may have been better served by dividends.
  • ⚠5 insider sales totaling $4.2M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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BRK-B
REGN
Valuation
$36.80B
Free Cash Flow
$3.26B
3.54%
FCF Yield
4.18%
15.50
Trailing P/E
17.80
22.11
Forward P/E
13.97
Quality & Moat
11.31%
ROIC
7.66%
9.30%
ROE
14.41%
26.15%
Gross Margin
44.57%
N/A
PEG Ratio
N/A
Balance Sheet Safety
0.19
Debt / Equity
0.10
N/A
Interest Coverage
N/A
-2.15
Net Debt / EBITDA
-1.33
N/A
Dividend Yield
0.51%
BRK-B: 4Ties: 1REGN: 5
BRK-BREGN

Historical Fundamentals

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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.

REGN

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

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BRK-B
$1.66
created per $1 retained over 3 years
Value Creator
Σ Retained
$252.19B
Δ Market Cap
+$417.98B
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
REGN
$0.20
created per $1 retained over 3 years
Value Destroyer
Σ Retained
$12.50B
Δ Market Cap
+$2.52B
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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BRK-B
31.1% Margin of Safety
Price is 31.1% below estimated fair value
Current Price: $481.48
Fair Value: $699.14
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
REGN
56.6% Margin of Safety
Price is 56.6% below estimated fair value
Current Price: $737.45
Fair Value: $1700.81
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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BRK-B

What growth rate is the market pricing in at $481?

+0.7%
Market-Implied Owner Earnings Growth
Standard FCF implies +8.8%

The market implies +0.7% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +8.8%, reflecting heavy growth investment.

REGN

What growth rate is the market pricing in at $737?

+4.7%
Market-Implied Owner Earnings Growth
Standard FCF implies +9.1%

The market implies +4.7% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +9.1%, reflecting heavy growth investment.

Economic Moat Score

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BRK-B
16/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though reinvestment efficiency shows some competitive positioning. The business lacks consistent evidence of sustainable advantages.

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.
REGN
68/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability 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 5 years of fundamental data.

Forensic Accounting

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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.
REGN
-2.51
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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BRK-B
Insiders 0.3%Institutions 66.2%Retail & Other 33.5%
No. of Institutional Holders5,852
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.
REGN
Insiders 2.0%Institutions 90.9%Retail & Other 7.2%
No. of Institutional Holders1,956
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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BRK-B
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
REGN
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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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
REGN
5
Sells (3M)
8
Sells (12M)
Total value (12M): $9.32M
RYAN ARTHUR F
Director
$78,550
@ $785.50 · 2026-03-02
ZOGHBI HUDA Y
Director
$1.28M
@ $781.33 · 2026-02-19
PITOFSKY JASON
Officer
$1.59M
@ $778.52 · 2026-02-09
RYAN ARTHUR F
Director
$77,853
@ $778.53 · 2026-02-09
BASSLER BONNIE L
Director
$1.20M
@ $800.00 · 2026-01-07
BASSLER BONNIE L
Director
$570,000
@ $750.00 · 2025-11-20
PITOFSKY JASON
Officer
$280,766
@ $651.43 · 2025-11-07
POON CHRISTINE A
Director
$4.25M
@ $654.27 · 2025-10-29
MCCOURT MARION E
Officer
$844,610
@ $844.61 · 2024-11-01
MCCOURT MARION E
Officer
$1.05M
@ $1054.06 · 2024-10-01
RYAN ARTHUR F
Director
$104,878
@ $1048.78 · 2024-10-01
MCCOURT MARION E
Officer
$1.18M
@ $1178.73 · 2024-09-03
RYAN ARTHUR F
Director
$117,868
@ $1178.68 · 2024-09-03
BASSLER BONNIE L
Director
$884,520
@ $1170.00 · 2024-08-15
POON CHRISTINE A
Director
$12.55M
@ $1158.17 · 2024-08-15
MURPHY ANDREW J
Officer
$7.34M
@ $1153.15 · 2024-08-14
STAHL NEIL E
Officer
$5.64M
@ $1084.54 · 2024-08-08
PITOFSKY JASON
Officer
$521,090
@ $1070.00 · 2024-08-07
BASSLER BONNIE L
Director
$842,940
@ $1115.00 · 2024-08-02
MCCOURT MARION E
Officer
$1.21M
@ $1060.86 · 2024-08-01
RYAN ARTHUR F
Director
$107,467
@ $1085.53 · 2024-08-01
RYAN ARTHUR F
Director
$1,100
@ $1100.00 · 2024-08-01
LAROSA JOSEPH J
General Counsel
$2.03M
@ $1088.95 · 2024-07-11
MCCOURT MARION E
Officer
$1.19M
@ $1047.11 · 2024-07-01
RYAN ARTHUR F
Director
$105,924
@ $1059.24 · 2024-07-01
BASSLER BONNIE L
Director
$802,872
@ $1062.00 · 2024-06-24
BROWN MICHAEL S
Director
$1.60M
@ $1040.00 · 2024-06-14
BASSLER BONNIE L
Director
$836,097
@ $1011.00 · 2024-06-05
MCCOURT MARION E
Officer
$1.12M
@ $980.16 · 2024-06-03
RYAN ARTHUR F
Director
$99,450
@ $994.50 · 2024-06-03
BROWN MICHAEL S
Director
$1.14M
@ $974.86 · 2024-05-28
LAROSA JOSEPH J
General Counsel
$1.86M
@ $994.90 · 2024-05-21
SCHLEIFER LEONARD S
Chief Executive Officer
$22.36M
@ $979.23 · 2024-05-17
YANCOPOULOS GEORGE D
President
$48.64M
@ $972.73 · 2024-05-16
YANCOPOULOS GEORGE D
President
$48.79M
@ $975.87 · 2024-05-15
SCHLEIFER LEONARD S
Chief Executive Officer
$35.21M
@ $979.58 · 2024-05-15
MCCOURT MARION E
Officer
$222,352
@ $889.41 · 2024-05-01
RYAN ARTHUR F
Director
$89,961
@ $899.61 · 2024-05-01
MCCOURT MARION E
Officer
$241,182
@ $964.73 · 2024-04-01
RYAN ARTHUR F
Director
$96,253
@ $962.53 · 2024-04-01
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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BRK-B
FearGreed
😐Neutral(48/100)

"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.
REGN
FearGreed
😐Neutral(56/100)

"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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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 (48)
REGN
⚪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 (56)
View BRK-B Full AnalysisView REGN Full Analysis