Compare StocksBRK-B vs CRL

Berkshire Hathaway Inc. (BRK-B) vs Charles River Laboratories International, Inc. (CRL)

BRK-B
Berkshire Hathaway Inc.
$473.01
VS
CRL
Charles River Laboratories International, Inc.
$165.78

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.
CRL
  • Free cash flow has grown at a 20.7% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • PEG ratio of 0.12 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings 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.
CRL
  • FCF yield of 7.0% suggests reasonable valuation assuming continued moderate growth.

Key Valuation Metrics

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BRK-B
CRL
Valuation
$61.23B
Free Cash Flow
$572.38M
6.00%
FCF Yield
7.00%
15.24
Trailing P/E
N/A
21.95
Forward P/E
13.36
Quality & Moat
4.96%
ROIC
2.45%
9.18%
ROE
-4.49%
27.78%
Gross Margin
34.98%
0.13
PEG Ratio
0.12
Balance Sheet Safety
0.18
Debt / Equity
0.82
N/A
Interest Coverage
N/A
-2.28
Net Debt / EBITDA
2.76
N/A
Dividend Yield
N/A
BRK-B: 5Ties: 1CRL: 4
BRK-BCRL

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.

CRL

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
+$417.89B
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
CRL
$-3.77
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$340.6M
Δ Market Cap
$-1.28B
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
31.0% 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
CRL
39.3% Margin of Safety
Price is 39.3% below estimated fair value
Current Price: $165.78
Fair Value: $273.12
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 $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.

CRL

What growth rate is the market pricing in at $166?

+6.7%
Market-Implied FCF Growth Rate

Market below historical growth — potential opportunity.

Economic Moat Score

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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.
CRL
42/100
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 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.
CRL
-3.11
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 33.6%
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.
CRL
Insiders 0.9%Institutions 110.0%
No. of Institutional Holders814
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
CRL
1
Buys (3M)
1
Buys (12M)
Total value (12M): $4,364
LAPLUME JOSEPH W
Officer
$4,364
@ $174.56 · 2026-03-03
GIRSHICK BIRGIT
Chief Operating Officer
$249,250
@ $164.63 · 2025-02-20
FOSTER JAMES C
Chief Executive Officer
$1.00M
@ $165.01 · 2025-02-20
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
CRL
0
Sells (3M)
6
Sells (12M)
Total value (12M): $363,252
LAPLUME JOSEPH W
Officer
$65,488
@ $163.72 · 2025-08-22
LAPLUME JOSEPH W
Officer
$126,080
@ $157.60 · 2025-08-18
LAPLUME JOSEPH W
Officer
$60,016
@ $150.04 · 2025-08-07
MASSARO GEORGE E
Director
$19,260
@ $137.57 · 2025-05-15
MASSARO GEORGE E
Director
$19,703
@ $140.74 · 2025-05-14
LAPLUME JOSEPH W
Officer
$72,705
@ $145.41 · 2025-05-13
LAPLUME JOSEPH W
Officer
$715,000
@ $162.50 · 2025-02-20
LAPLUME JOSEPH W
Officer
$354,861
@ $199.36 · 2024-08-08
FOSTER JAMES C
Chief Executive Officer
$6.25M
@ $250.00 · 2024-08-01
MASSARO GEORGE E
Director
$78,225
@ $235.62 · 2024-05-15
LAPLUME JOSEPH W
Officer
$295,969
@ $226.97 · 2024-05-10
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(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.
CRL
FearGreed
😨Fear(34/100)

"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 (52)
CRL
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 (34)
View BRK-B Full AnalysisView CRL Full Analysis
BRK-B vs CRL: Which Is the Better Buy? | SafetyMargin.io