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Compare Stocks › BRK-B vs ZTS

Berkshire Hathaway Inc. (BRK-B) vs Zoetis Inc. (ZTS)

BRK-B
Berkshire Hathaway Inc.
$481.48
VS
ZTS
Zoetis Inc.
$115.99

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.
ZTS
  • ★Zoetis Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • ★Gross margin of 71.9% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★Zoetis Inc. scores 97/100 on the Economic Moat Score (Wide Moat), with roic consistency as the strongest competitive dimension.

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.
ZTS
  • ⚠PEG ratio of 3.16 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • ⚠High leverage (2.80x debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
  • ⚠Insiders have sold $2.5M worth of stock in the past 3 months — significant insider liquidation.

Key Valuation Metrics

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BRK-B
ZTS
Valuation
$36.80B
Free Cash Flow
$1.79B
3.54%
FCF Yield
3.50%
15.50
Trailing P/E
19.27
22.11
Forward P/E
15.38
Quality & Moat
11.31%
ROIC
20.52%
9.30%
ROE
80.25%
26.15%
Gross Margin
71.89%
N/A
PEG Ratio
3.16
Balance Sheet Safety
0.19
Debt / Equity
2.80
N/A
Interest Coverage
N/A
-2.15
Net Debt / EBITDA
1.72
N/A
Dividend Yield
1.83%
BRK-B: 4Ties: 2ZTS: 4
BRK-BZTS

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.

ZTS

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
ZTS
$-2.82
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$5.14B
Δ Market Cap
$-14.51B
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
ZTS
4.0% Overvalued
Price is 4.0% above estimated fair value
Current Price: $115.99
Fair Value: $111.52
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.

ZTS

What growth rate is the market pricing in at $116?

+8.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +14.3%

The market implies +8.8% Owner Earnings growth, roughly in line with history — reasonably priced.

Standard FCF implies +14.3%, reflecting ongoing 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.
ZTS
97/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. ROIC Consistency 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

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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.
ZTS
-2.47
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.
ZTS
Insiders 0.2%Institutions 101.1%
No. of Institutional Holders2,358
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
ZTS
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
ZTS
1
Sells (3M)
2
Sells (12M)
Total value (12M): $2.65M
PECK KRISTIN C
Chief Executive Officer
$2.54M
@ $127.05 · 2026-02-17
LAGANO ROXANNE
Officer
$110,840
@ $170.00 · 2025-06-03
REED WILLIE M
Director
$201,029
@ $166.14 · 2025-03-11
LAGANO ROXANNE
Officer
$55,420
@ $170.00 · 2025-03-10
PECK KRISTIN C
Chief Executive Officer
$59,852
@ $156.68 · 2025-02-19
LAGANO ROXANNE
Officer
$55,805
@ $171.18 · 2025-02-11
POLZER ROBERT J
Officer
$617,028
@ $177.46 · 2024-11-25
LAGANO ROXANNE
Officer
$139,530
@ $151.17 · 2024-04-18
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.
ZTS
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.

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)
ZTS
⚪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)
View BRK-B Full AnalysisView ZTS Full Analysis