Compare StocksBRK-B vs PAYX

Berkshire Hathaway Inc. (BRK-B) vs Paychex, Inc. (PAYX)

BRK-B
Berkshire Hathaway Inc.
$473.01
VS
PAYX
Paychex, Inc.
$93.02

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.
PAYX
  • Paychex, Inc. has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • Gross margin of 67.2% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Paychex, Inc. scores 94/100 on the Economic Moat Score (Wide Moat), with margin stability as the strongest competitive dimension.

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.
PAYX
  • PEG ratio of 2.26 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.

Key Valuation Metrics

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BRK-B
PAYX
Valuation
$61.23B
Free Cash Flow
N/A
6.00%
FCF Yield
N/A
15.24
Trailing P/E
20.53
21.95
Forward P/E
15.77
Quality & Moat
4.96%
ROIC
15.41%
9.18%
ROE
41.29%
27.78%
Gross Margin
67.20%
0.13
PEG Ratio
2.26
Balance Sheet Safety
0.18
Debt / Equity
1.25
N/A
Interest Coverage
N/A
-2.28
Net Debt / EBITDA
2.01
N/A
Dividend Yield
4.64%
BRK-B: 4Ties: 1PAYX: 4
BRK-BPAYX

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.

PAYX

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
PAYX
$-1.19
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$966.2M
Δ Market Cap
$-1.15B
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
PAYX
5.5% Overvalued
Price is 5.5% above estimated fair value
Current Price: $93.02
Fair Value: $88.21
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.

PAYX

Requires positive FCF to compute implied growth rate.

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.
PAYX
94/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Margin Stability 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.
PAYX
-2.93
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.
PAYX
Insiders 10.4%Institutions 84.7%Retail & Other 5.0%
No. of Institutional Holders2,002
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
PAYX
2
Buys (3M)
2
Buys (12M)
Total value (12M): $197,258
BONADIO THOMAS F
Director
$98,498
@ $98.50 · 2026-02-04
DOODY JOSEPH G
Director
$98,760
@ $98.76 · 2026-02-04
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
PAYX
0
Sells (3M)
4
Sells (12M)
Total value (12M): $16.62M
SCHRADER ROBERT L.
Chief Financial Officer
$444,391
@ $140.63 · 2025-07-16
SIMMONS CHRISTOPHER C
Officer and Treasurer
$259,826
@ $140.98 · 2025-07-16
GIBSON JOHN B JR
Chief Executive Officer
$1.76M
@ $141.92 · 2025-07-16
MUCCI MARTIN
Chairman of the Board
$14.16M
@ $145.17 · 2025-07-10
VELLI JOSEPH M
Director
$544,762
@ $149.25 · 2025-04-15
GIOJA MICHAEL E
Officer
$4.89M
@ $154.59 · 2025-04-03
BOTTINI MARK ANTHONY
Officer
$6.65M
@ $141.87 · 2024-10-16
SCHRADER ROBERT L.
Chief Financial Officer
$1.85M
@ $142.35 · 2024-10-15
GIOJA MICHAEL E
Officer
$3.67M
@ $139.03 · 2024-10-09
GIOJA MICHAEL E
Officer
$2.05M
@ $139.18 · 2024-10-04
DOODY JOSEPH G
Director
$1.13M
@ $130.69 · 2024-08-26
SIMMONS CHRISTOPHER C
Officer and Treasurer
$293,797
@ $125.34 · 2024-08-16
FLASCHEN DAVID J S
Director
$1.81M
@ $125.21 · 2024-08-05
FLASCHEN DAVID J S
Director
$1.21M
@ $125.60 · 2024-07-26
BOTTINI MARK ANTHONY
Officer
$1.11M
@ $123.60 · 2024-07-24
GIBSON JOHN B JR
Chief Executive Officer
$1.51M
@ $119.53 · 2024-07-15
MUCCI MARTIN
Chairman of the Board
$21.93M
@ $117.04 · 2024-07-02
FLASCHEN DAVID J S
Director
$2.45M
@ $124.55 · 2024-05-24
VELLI JOSEPH M
Director
$1.35M
@ $124.28 · 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(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.
PAYX
FearGreed
😨Fear(38/100)

"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)
PAYX
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 (38)
View BRK-B Full AnalysisView PAYX Full Analysis
BRK-B vs PAYX: Which Is the Better Buy? | SafetyMargin.io