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Compare Stocks › BRK-B vs PNR

Berkshire Hathaway Inc. (BRK-B) vs Pentair plc (PNR)

BRK-B
Berkshire Hathaway Inc.
$473.01
VS
PNR
Pentair plc
$79.10

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.
PNR
  • ★Pentair plc scores 77/100 on the Economic Moat Score (Wide Moat), with roic consistency as the strongest competitive dimension.
  • ★Free cash flow has grown at a 38.9% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • ★Each dollar of retained earnings has created $1.33 of earning power — management is creating shareholder value.

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.
PNR

    Key Valuation Metrics

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    BRK-B
    PNR
    Valuation
    $61.23B
    Free Cash Flow
    $574.21M
    6.00%
    FCF Yield
    4.49%
    15.24
    Trailing P/E
    19.87
    21.95
    Forward P/E
    13.60
    Quality & Moat
    4.96%
    ROIC
    12.78%
    9.18%
    ROE
    17.05%
    27.78%
    Gross Margin
    41.22%
    0.13
    PEG Ratio
    1.53
    Balance Sheet Safety
    0.18
    Debt / Equity
    0.55
    N/A
    Interest Coverage
    N/A
    -2.28
    Net Debt / EBITDA
    1.83
    N/A
    Dividend Yield
    1.31%
    BRK-B: 6Ties: 1PNR: 4
    BRK-BPNR

    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.

    PNR

    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
    PNR
    $6.66
    created per $1 retained over 3 years
    Exceptional Value Creator
    Σ Retained
    $1.44B
    Δ Market Cap
    +$9.60B
    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
    PNR
    0.8% Margin of Safety
    Price is 0.8% below estimated fair value
    Current Price: $79.10
    Fair Value: $79.75
    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.

    PNR

    What growth rate is the market pricing in at $79?

    +9.4%
    Market-Implied Owner Earnings Growth
    Standard FCF implies +11.2%

    The market implies +9.4% Owner Earnings growth, roughly in line with history — reasonably priced.

    Standard FCF implies +11.2%, reflecting ongoing growth investment.

    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.
    PNR
    77/100
    Wide Moat
    70+ Wide · 40-69 Narrow · <40 None

    Wide moat driven primarily by roic consistency. Margin Stability is the area most vulnerable to competitive pressure.

    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.
    PNR
    -2.43
    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.
    PNR
    Insiders 1.0%Institutions 94.9%Retail & Other 4.1%
    No. of Institutional Holders1,142
    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
    PNR
    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
    PNR
    2
    Sells (3M)
    4
    Sells (12M)
    Total value (12M): $2.88M
    ROLCHIGO PHILIP M
    Chief Technology Officer
    $670,207
    @ $103.22 · 2026-02-25
    SPEETZEN MICHAEL T
    Director
    $699,945
    @ $99.99 · 2026-02-11
    GLENN T MICHAEL
    Director
    $684,196
    @ $104.33 · 2025-12-01
    FISHMAN ROBERT P
    Chief Financial Officer
    $820,765
    @ $105.42 · 2025-11-14
    JONES DAVID A. JR.
    Director
    $589,827
    @ $89.94 · 2025-04-28
    PILLA STEPHEN J
    Officer
    $706,608
    @ $98.14 · 2025-02-14
    GLENN T MICHAEL
    Director
    $437,433
    @ $109.14 · 2024-12-02
    ROLCHIGO PHILIP M
    Chief Technology Officer
    $357,616
    @ $99.67 · 2024-11-01
    JONES DAVID A. JR.
    Director
    $355,590
    @ $88.72 · 2024-07-31
    PEDRETTI JEROME O
    Officer
    $2.09M
    @ $84.45 · 2024-05-22
    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.
    PNR
    FearGreed
    😨Fear(22/100)

    "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)
    PNR
    ⚪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 (22)
    View BRK-B Full AnalysisView PNR Full Analysis
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