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Compare Stocks › BRK-B vs IDXX

Berkshire Hathaway Inc. (BRK-B) vs IDEXX Laboratories, Inc. (IDXX)

BRK-B
Berkshire Hathaway Inc.
$481.48
VS
IDXX
IDEXX Laboratories, Inc.
$579.85

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.
IDXX
  • ★IDEXX Laboratories, Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • ★Gross margin of 61.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★IDEXX Laboratories, Inc. scores 99/100 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.
IDXX
  • ⚠FCF yield of 2.3% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • ⚠PEG ratio of 2.47 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • ⚠6 insider sales totaling $29.9M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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BRK-B
IDXX
Valuation
$36.80B
Free Cash Flow
$1.04B
3.54%
FCF Yield
2.25%
15.50
Trailing P/E
44.26
22.11
Forward P/E
35.31
Quality & Moat
11.31%
ROIC
39.19%
9.30%
ROE
65.99%
26.15%
Gross Margin
61.80%
N/A
PEG Ratio
2.47
Balance Sheet Safety
0.19
Debt / Equity
0.61
N/A
Interest Coverage
N/A
-2.15
Net Debt / EBITDA
0.53
N/A
Dividend Yield
N/A
BRK-B: 6Ties: 1IDXX: 3
BRK-BIDXX

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.

IDXX

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
IDXX
$7.20
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$2.79B
Δ Market Cap
+$20.11B
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
IDXX
52.7% Overvalued
Price is 52.7% above estimated fair value
Current Price: $579.85
Fair Value: $379.82
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.

IDXX

What growth rate is the market pricing in at $580?

+18.6%
Market-Implied Owner Earnings Growth
Standard FCF implies +18.8%

The market implies +18.6% Owner Earnings growth, roughly in line with history — reasonably priced.

Standard FCF implies +18.8%, 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.
IDXX
99/100
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.
IDXX
-2.50
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.
IDXX
Insiders 0.7%Institutions 95.8%Retail & Other 3.5%
No. of Institutional Holders1,933
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
IDXX
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
IDXX
6
Sells (3M)
16
Sells (12M)
Total value (12M): $72.77M
HUNT NIMRATA K
Officer
$1.12M
@ $634.57 · 2026-03-03
HUNT NIMRATA K
Officer
$1.78M
@ $661.54 · 2026-02-26
MAZELSKY JONATHAN JAY
Chief Executive Officer
$15.34M
@ $657.55 · 2026-02-26
ERICKSON MICHAEL G
Officer
$3.37M
@ $627.38 · 2026-02-17
VANDEBROEK SOPHIE V
Director
$920,293
@ $628.62 · 2026-02-17
FENNELL GEORGE
Officer
$7.34M
@ $646.72 · 2026-02-10
HUNT NIMRATA K
Officer
$6.63M
@ $703.34 · 2025-11-07
SZOSTAK MARGARET ANNE
Director
$1.42M
@ $647.33 · 2025-08-22
ERICKSON MICHAEL G
Officer
$263,813
@ $651.39 · 2025-08-12
HUNT NIMRATA K
Officer
$787,840
@ $656.53 · 2025-08-11
UNDERBERG SHARON E
General Counsel
$3.55M
@ $651.60 · 2025-08-08
LANE MICHAEL J
Officer
$5.28M
@ $627.74 · 2025-08-06
HUNT NIMRATA K
Officer
$4.50M
@ $630.43 · 2025-08-06
MAZELSKY JONATHAN JAY
Chief Executive Officer
$18.49M
@ $631.98 · 2025-08-06
JUNIUS DANIEL M
Director
$1.36M
@ $506.41 · 2025-05-13
VANDEBROEK SOPHIE V
Director
$628,425
@ $491.34 · 2025-05-09
FENNELL GEORGE
Officer
$4.62M
@ $462.53 · 2025-02-10
VANDEBROEK SOPHIE V
Director
$144,630
@ $420.44 · 2024-11-27
CLAFLIN BRUCE L
Director
$108,160
@ $540.80 · 2024-05-17
CLAFLIN BRUCE L
Director
$108,160
@ $540.80 · 2024-05-17
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.
IDXX
FearGreed
😐Neutral(41/100)

"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)
IDXX
⚪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 (41)
View BRK-B Full AnalysisView IDXX Full Analysis
Berkshire Hathaway Inc. (BRK-B) vs IDEXX Laboratories, Inc. (IDXX) Stock Comparison | SafetyMargin.io