SafetyMargin.ioSafetyMargin.io
BlogWatchlistCompare
Compare Stocks › BRK-B vs WRB

Berkshire Hathaway Inc. (BRK-B) vs W. R. Berkley Corporation (WRB): Which Is the Better Buy in 2026?

As of 2026-06-19, BRK-B is undervalued at $489, with a DCF intrinsic value of $644 and a margin of safety of 24%. WRB is fairly valued at $67, with an intrinsic value of $79 and a margin of safety of 15%. Of the two, BRK-B has the wider margin of safety.

BRK-B
Berkshire Hathaway Inc.
$489.46
VS
WRB
W. R. Berkley Corporation
$67.18

Rewards

BRK-B
  • ★Each dollar of retained earnings has created $3.95 of earning power — management is an exceptional capital allocator.
  • ★Net debt/EBITDA of -2.3x means the company holds more cash than debt — a net cash position.
WRB
  • ★W. R. Berkley Corporation scores 99/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • ★Free cash flow has grown at a 10.7% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • ★Each dollar of retained earnings has created $1.38 of earning power — management is creating shareholder value.

Risks

BRK-B
  • ⚠FCF yield of 5.8% 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.
WRB
  • ⚠PEG ratio of 4.00 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • ⚠Altman Z-Score of 1.22 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.

Key Valuation Metrics

Learn more →
BRK-B
WRB
Valuation
$61.23B
Free Cash Flow
$3.22B
5.80%
FCF Yield
12.88%
14.56
Trailing P/E
14.23
22.79
Forward P/E
13.95
Quality & Moat
4.96%
ROIC
15.61%
10.50%
ROE
20.16%
27.78%
Gross Margin
43.65%
10.06
PEG Ratio
4.00
Balance Sheet Safety
Net cash
Net Debt / Equity
Net cash
N/A
Interest Coverage
N/A
-2.28
Net Debt / EBITDA
-0.14
0.00%
Dividend Yield
0.59%
BRK-B: 3Ties: 2WRB: 7
BRK-BWRB

Historical Fundamentals

Learn more →
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.

WRB

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

Learn more →
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
WRB
$2.28
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$3.18B
Δ Market Cap
+$7.25B
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

Learn more →
BRK-B
24.0% Margin of Safety
Price is 24.0% below estimated fair value
Current Price: $489.46
Fair Value: $643.73
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
WRB
14.8% Margin of Safety
Price is 14.8% below estimated fair value
Current Price: $67.18
Fair Value: $78.85
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

Learn more →
BRK-B

What growth rate is the market pricing in at $489?

+0.4%
Market-Implied Owner Earnings Growth
Standard FCF implies +1.6%

The market implies +0.4% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +1.6%, reflecting heavy growth investment.

WRB

What growth rate is the market pricing in at $67?

+2.7%
Market-Implied Owner Earnings Growth
Standard FCF implies -5.7%

The market implies +2.7% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -5.7%, reflecting heavy growth investment expected to generate future returns.

Economic Moat Score

Learn more →
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.
WRB
99/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by revenue predictability. 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

Learn more →
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.
WRB
-2.63
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

Learn more →
BRK-B
Insiders 0.3%Institutions 67.3%Retail & Other 32.4%
No. of Institutional Holders5,905
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.
WRB
Insiders 26.3%Institutions 78.0%
No. of Institutional Holders1,251
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

Learn more →
BRK-B
1
Buys (3M)
1
Buys (12M)
Total value (12M): $250,545
O'SULLIVAN MICHAEL J
General Counsel
$250,545
@ $467.43 · 2026-05-06
Open market purchases · includes direct & indirect ownership · excludes option exercises
WRB
0
Buys (3M)
19
Buys (12M)
Total value (12M): $665.29M
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$18.75M
@ $72.61 · 2026-03-03
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$21.49M
@ $71.65 · 2026-02-27
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$39.38M
@ $71.13 · 2026-02-25
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$35.74M
@ $70.70 · 2026-02-20
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$2.84M
@ $70.93 · 2026-02-13
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$6.83M
@ $69.68 · 2026-02-11
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$2.84M
@ $70.88 · 2026-02-06
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$21.45M
@ $68.05 · 2026-02-04
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$33.09M
@ $68.22 · 2026-01-30
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$69.30M
@ $67.35 · 2026-01-28
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$46.90M
@ $67.19 · 2026-01-23
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$42.61M
@ $67.64 · 2026-01-21
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$36.64M
@ $68.49 · 2026-01-16
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$55.62M
@ $68.58 · 2026-01-14
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$32.64M
@ $69.45 · 2026-01-09
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$47.42M
@ $69.61 · 2026-01-07
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$47.17M
@ $70.11 · 2026-01-02
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$62.04M
@ $70.53 · 2025-12-29
MITSUI SUMITOMO INSURANCE CO., LTD.
Beneficial Owner of more than 10% of a Class of Security
$42.55M
@ $69.71 · 2025-12-22
Open market purchases · includes direct & indirect ownership · excludes option exercises

Open market purchases · includes direct & indirect ownership · excludes option exercises.

Insider Selling Activity

Learn more →
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
WRB
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

Learn more →
BRK-B
FearGreed
😏Greed(65/100)

"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.
WRB
FearGreed
😐Neutral(55/100)

"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

Learn more →
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 (65)
WRB
⚪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 (55)
View BRK-B Full AnalysisView WRB Full Analysis

Frequently Asked Questions: BRK-B vs WRB

Is Berkshire Hathaway Inc. or W. R. Berkley Corporation more undervalued in 2026?▼

Based on our discounted cash flow model, BRK-B trades at a 24.0% margin of safety (intrinsic value $644 vs. price $489), compared to WRB's 14.8% margin of safety (intrinsic $79 vs. $67).

Which stock has a wider economic moat, Berkshire Hathaway Inc. or W. R. Berkley Corporation?▼

WRB scores 99/100 (Wide moat), while BRK-B scores 40/100 (Narrow moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is W. R. Berkley Corporation in financial distress?▼

WRB's Altman Z-Score of 1.2 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, Berkshire Hathaway Inc. or W. R. Berkley Corporation?▼

W. R. Berkley Corporation (WRB) generates a 12.9% free cash flow yield, compared to Berkshire Hathaway Inc.'s 5.8%. 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, Berkshire Hathaway Inc. or W. R. Berkley Corporation?▼

WRB earns 15.6% ROIC versus BRK-B's 5.0%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.