Compare StocksAEE vs BRK-B

Ameren Corporation (AEE) vs Berkshire Hathaway Inc. (BRK-B): Which Is the Better Buy in 2026?

As of 2026-09-17, AEE is overvalued at $103, with a DCF intrinsic value of $0 and a margin of safety of -100%. BRK-B is fairly valued at $520, with an intrinsic value of $590 and a margin of safety of 12%. Of the two, BRK-B has the wider margin of safety.

AEE
Ameren Corporation
$103.04
VS
BRK-B
Berkshire Hathaway Inc.
$519.80

Rewards

AEE
    BRK-B
    • Each dollar of retained earnings has created $3.95 of earning power — management is an exceptional capital allocator.
    • Net debt/EBITDA of -1.8x means the company holds more cash than debt — a net cash position.

    Risks

    AEE
    • PEG ratio of 2.57 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
    • High leverage (1.58x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
    • Net debt/EBITDA of 5.6x indicates heavy leverage — it would take over 4 years of EBITDA to pay off net debt.
    BRK-B
    • FCF yield of 6.5% suggests reasonable valuation assuming continued moderate growth.
    • PEG ratio of 10.06 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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    AEE
    BRK-B
    Valuation
    $-1.79B
    Free Cash Flow
    $71.98B
    -6.26%
    FCF Yield
    6.47%
    18.14
    Trailing P/E
    13.07
    17.74
    Forward P/E
    23.42
    Quality & Moat
    4.71%
    ROIC
    11.26%
    11.94%
    ROE
    12.12%
    52.41%
    Gross Margin
    30.33%
    2.57
    PEG Ratio
    10.06
    Balance Sheet Safety
    1.58
    Net Debt / Equity
    Net cash
    N/A
    Interest Coverage
    N/A
    5.57
    Net Debt / EBITDA
    -1.81
    2.91%
    Dividend Yield
    0.00%
    AEE: 4Ties: 2BRK-B: 6
    AEEBRK-B

    Historical Fundamentals

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    AEE

    Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

    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. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

    Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

    $1 Retained Earnings Test

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    AEE
    Not enough historical data to compute the retained earnings test.
    BRK-B
    $1.64
    created per $1 retained over 3 years
    Value Creator
    Σ Retained
    $252.19B
    Δ Market Cap
    +$414.76B
    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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    AEE
    Insufficient Data
    Enter initial FCF to calculate intrinsic value
    Current Price: $103.04
    Fair Value: $0.00
    Strongly undervalued
    Undervalued
    Fairly valued
    Overvalued
    Strongly overvalued
    BRK-B
    11.8% Margin of Safety
    Price is 11.8% below estimated fair value
    Current Price: $519.80
    Fair Value: $589.58
    Strongly undervalued
    Undervalued
    Fairly valued
    Overvalued
    Strongly overvalued

    Reverse DCF — Market-Implied Growth

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    AEE

    Requires positive FCF to compute implied growth rate.

    BRK-B

    What growth rate is the market pricing in at $520?

    +1.9%
    Market-Implied Owner Earnings Growth
    Standard FCF implies +0.9%

    The market implies +1.9% Owner Earnings growth, above historical trends.

    Standard FCF implies a demanding +0.9%, reflecting heavy growth investment.

    Economic Moat Score

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    AEE
    39/100
    No Moat
    70+ Wide · 40-69 Narrow · <40 None

    No durable moat detected, though margin stability 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.
    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 4 years of fundamental data.

    Forensic Accounting

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    AEE

    Insufficient data for Beneish M-Score calculation (requires 2+ years).

    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.

    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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    AEE
    Insiders 0.3%Institutions 90.2%Retail & Other 9.5%
    No. of Institutional Holders1,265
    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.
    BRK-B
    Insiders 0.3%Institutions 66.9%Retail & Other 32.8%
    No. of Institutional Holders5,947
    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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    AEE
    0
    Buys (3M)
    0
    Buys (12M)
    No open market insider purchases found.
    Open market purchases · includes direct & indirect ownership · excludes option exercises
    BRK-B
    1
    Buys (3M)
    2
    Buys (12M)
    Total value (12M): $500,617
    O'SULLIVAN MICHAEL J
    General Counsel
    $250,072
    @ $512.44 · 2026-08-12
    O'SULLIVAN MICHAEL J
    General Counsel
    $250,545
    @ $467.43 · 2026-05-06
    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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    AEE
    4
    Sells (3M)
    19
    Sells (12M)
    Total value (12M): $8.18M
    FLORES RAFAEL
    Director
    $26,171
    @ $105.53 · 2026-09-11
    MARTIN RYAN
    Officer
    $106,689
    @ $109.88 · 2026-08-20
    SHAW THERESA A
    Officer
    $35,402
    @ $108.93 · 2026-08-14
    MOEHN MICHAEL L
    Officer
    $708,240
    @ $108.96 · 2026-08-03
    SHAW THERESA A
    Officer
    $199,476
    @ $109.30 · 2026-05-14
    MOEHN MICHAEL L
    Officer
    $738,595
    @ $113.63 · 2026-05-01
    LYONS MARTIN J JR
    Chief Executive Officer
    $3.00M
    @ $111.84 · 2026-03-03
    SCHUKAR SHAWN E
    Officer of Subsidiary Company
    $556,404
    @ $111.84 · 2026-03-03
    LINDGREN MARK C
    Officer of Subsidiary Company
    $231,844
    @ $111.84 · 2026-03-03
    FLORES RAFAEL
    Director
    $178,432
    @ $111.52 · 2026-02-17
    MIZELL GWENDOLYN G.
    Officer of Subsidiary Company
    $393,473
    @ $110.90 · 2026-02-17
    SHAW THERESA A
    Officer
    $36,364
    @ $111.89 · 2026-02-17
    MOEHN MICHAEL L
    Officer
    $673,400
    @ $103.60 · 2026-02-02
    FLORES RAFAEL
    Director
    $23,672
    @ $105.21 · 2025-11-17
    FLORES RAFAEL
    Director
    $65,930
    @ $105.32 · 2025-11-17
    HARSHMAN RICHARD J
    Director
    $262,250
    @ $104.90 · 2025-11-14
    SHAW THERESA A
    Officer
    $34,050
    @ $104.77 · 2025-11-14
    SMITH PATRICK E.
    Officer
    $251,939
    @ $104.80 · 2025-11-14
    MOEHN MICHAEL L
    Chief Financial Officer
    $659,360
    @ $101.44 · 2025-11-03
    LINDGREN MARK C
    Officer of Subsidiary Company
    $353,115
    @ $100.89 · 2025-09-12
    MIZELL GWENDOLYN G.
    Officer of Subsidiary Company
    $149,250
    @ $99.50 · 2025-09-03
    MIZELL GWENDOLYN G.
    Officer of Subsidiary Company
    $101,790
    @ $101.79 · 2025-08-22
    MOEHN MICHAEL L
    Chief Financial Officer
    $666,510
    @ $102.54 · 2025-08-01
    MOEHN MICHAEL L
    Chief Financial Officer
    $641,030
    @ $98.62 · 2025-05-20
    LYONS MARTIN J JR
    Chief Executive Officer
    $1.54M
    @ $103.79 · 2025-03-04
    SCHUKAR SHAWN E
    Officer of Subsidiary Company
    $492,276
    @ $103.79 · 2025-03-04
    LINDGREN MARK C
    Officer of Subsidiary Company
    $194,087
    @ $103.79 · 2025-03-04
    NWAMU CHONDA J.
    Officer
    $557,535
    @ $101.37 · 2025-03-04
    SHAW THERESA A
    Officer
    $99,530
    @ $99.53 · 2025-02-26
    MOEHN MICHAEL L
    Chief Financial Officer
    $634,010
    @ $97.54 · 2025-02-20
    IVEY CRAIG S
    Director
    $266,901
    @ $98.27 · 2025-02-19
    FLORES RAFAEL
    Director
    $186,067
    @ $97.93 · 2025-02-19
    MOEHN MICHAEL L
    Chief Financial Officer
    $598,975
    @ $92.15 · 2024-11-20
    Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
    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

    Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives.

    🎭 Mr. Market's Mood

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    AEE
    FearGreed
    😐Neutral(42/100)

    "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.
    BRK-B
    FearGreed
    😏Greed(72/100)

    "Market is optimistic — be cautious and ensure you have a margin of safety"

    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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    AEE
    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 (42)
    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: Greed (72)
    View AEE Full AnalysisView BRK-B Full Analysis

    Frequently Asked Questions: AEE vs BRK-B

    Is Ameren Corporation or Berkshire Hathaway Inc. more undervalued in 2026?

    Based on our discounted cash flow model, BRK-B trades at a 11.8% margin of safety (intrinsic value $590 vs. price $520), compared to AEE's -100.0% margin of safety (intrinsic $0 vs. $103).

    Which stock has a wider economic moat, Ameren Corporation or Berkshire Hathaway Inc.?

    BRK-B scores 40/100 (Narrow moat), while AEE scores 39/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

    Is Ameren Corporation in financial distress?

    AEE's Altman Z-Score of 0.9 places it in the Distress zone, signaling elevated bankruptcy risk. BRK-B scores 2.5 (Grey zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

    Which company has better free cash flow, Ameren Corporation or Berkshire Hathaway Inc.?

    Berkshire Hathaway Inc. (BRK-B) generates a 6.5% free cash flow yield, compared to Ameren Corporation's -6.3%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.

    Which stock has higher return on invested capital, Ameren Corporation or Berkshire Hathaway Inc.?

    BRK-B earns 11.3% ROIC versus AEE's 4.7%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.