Compare StocksBRK-B vs IBM

Berkshire Hathaway Inc. (BRK-B) vs International Business Machines Corporation (IBM)

BRK-B
Berkshire Hathaway Inc.
$481.48
VS
IBM
International Business Machines Corporation
$250.37

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.
IBM
  • International Business Machines Corporation scores 72/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Free cash flow has grown at a 10.6% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Each dollar of retained earnings has created $26.41 of market value — management is an exceptional capital allocator.

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.
IBM
  • Despite buyback spending, shares outstanding increased in 3 out of 4 years — stock-based compensation is offsetting repurchases.
  • FCF yield of 5.6% suggests reasonable valuation assuming continued moderate growth.

Key Valuation Metrics

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BRK-B
IBM
Valuation
$36.80B
Free Cash Flow
$13.16B
3.54%
FCF Yield
5.60%
15.50
Trailing P/E
22.47
22.11
Forward P/E
18.72
Quality & Moat
11.31%
ROIC
13.57%
9.30%
ROE
32.35%
26.15%
Gross Margin
58.19%
N/A
PEG Ratio
0.25
Balance Sheet Safety
0.19
Debt / Equity
1.97
N/A
Interest Coverage
N/A
-2.15
Net Debt / EBITDA
3.11
N/A
Dividend Yield
2.68%
BRK-B: 4Ties: 1IBM: 5
BRK-BIBM

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.

IBM

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
IBM
$26.41
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$5.68B
Δ Market Cap
+$149.88B
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
IBM
28.8% Overvalued
Price is 28.8% above estimated fair value
Current Price: $250.37
Fair Value: $194.44
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.

IBM

What growth rate is the market pricing in at $250?

+11.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +8.8%

The market implies +11.8% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +8.8%, reflecting heavy growth investment expected to generate future returns.

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.
IBM
72/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by revenue predictability. ROIC Consistency 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.
IBM
-2.39
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.
IBM
Insiders 0.1%Institutions 65.4%Retail & Other 34.4%
No. of Institutional Holders4,493
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
IBM
3
Buys (3M)
3
Buys (12M)
Total value (12M): $417,155
HOWARD MICHELLE J.
Director
$11,891
@ $237.82 · 2026-02-25
MIEBACH MICHAEL
Director
$101,264
@ $233.33 · 2026-02-25
FARR DAVID N
Director
$304,000
@ $304.00 · 2026-01-30
FARR DAVID N
Director
$298,800
@ $249.00 · 2025-02-28
ZOLLAR ALFRED W
Director
$197,139
@ $210.62 · 2024-11-13
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
IBM
0
Sells (3M)
0
Sells (12M)
THOMAS ROBERT DAVID
Officer
$6.72M
@ $253.01 · 2025-03-03
LAMOREAUX NICKLE JACLYN
Officer
$774,727
@ $215.20 · 2024-11-08
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.
IBM
FearGreed
😐Neutral(45/100)

"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)
IBM
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 (45)
View BRK-B Full AnalysisView IBM Full Analysis