Compare StocksBRK-B vs SPG

Berkshire Hathaway Inc. (BRK-B) vs Simon Property Group, Inc. (SPG): 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%. SPG is overvalued at $211, with an intrinsic value of $165 and a margin of safety of -28%. Of the two, BRK-B has the wider margin of safety.

BRK-B
Berkshire Hathaway Inc.
$489.46
VS
SPG
Simon Property Group, Inc.
$211.33

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.
SPG
  • Gross margin of 81.6% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Simon Property Group, Inc. scores 74/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.

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.
SPG
  • PEG ratio of 4.58 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • High leverage (4.49x net debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
  • Net debt/EBITDA of 5.8x indicates heavy leverage — it would take over 4 years of EBITDA to pay off net debt.

Key Valuation Metrics

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BRK-B
SPG
Valuation
$61.23B
Free Cash Flow
$2.49B
5.80%
FCF Yield
3.11%
14.56
Trailing P/E
14.70
22.79
Forward P/E
31.51
Quality & Moat
4.96%
ROIC
6.45%
10.50%
ROE
113.59%
27.78%
Gross Margin
81.58%
10.06
PEG Ratio
4.58
Balance Sheet Safety
Net cash
Net Debt / Equity
4.49
N/A
Interest Coverage
N/A
-2.28
Net Debt / EBITDA
5.79
0.00%
Dividend Yield
4.09%
BRK-B: 5Ties: 2SPG: 5
BRK-BSPG

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

SPG

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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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
SPG
$106.00
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$205.6M
Δ Market Cap
+$21.79B
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
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
SPG
28.3% Overvalued
Price is 28.3% above estimated fair value
Current Price: $211.33
Fair Value: $164.71
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 $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.

SPG

What growth rate is the market pricing in at $211?

+8.2%
Market-Implied Owner Earnings Growth
Standard FCF implies +18.3%

The market implies +8.2% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding +18.3%, reflecting heavy growth investment expected to generate future returns.

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 4 years of fundamental data.
SPG
74/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by revenue predictability. Reinvestment Efficiency 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.
SPG
-2.24
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 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.
SPG
Insiders 1.8%Institutions 95.1%Retail & Other 3.1%
No. of Institutional Holders1,811
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
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
SPG
10
Buys (3M)
23
Buys (12M)
Total value (12M): $988,547
LEWIS RANDALL J.
Director
$10,293
@ $183.80 · 2026-03-31
SMITH DANIEL C.
Director
$65,249
@ $183.80 · 2026-03-31
AEPPEL GLYN F
Director
$40,620
@ $183.80 · 2026-03-31
STEWART MARTA R
Director
$36,025
@ $183.80 · 2026-03-31
SELIG STEFAN M
Director
$37,863
@ $183.80 · 2026-03-31
ROE PEGGY FANG
Director
$14,888
@ $183.80 · 2026-03-31
JONES NINA P.
Director
$6,617
@ $183.81 · 2026-03-31
RODKIN GARY M
Director
$42,642
@ $183.80 · 2026-03-31
LEIBOWITZ REUBEN S
Director
$90,246
@ $183.80 · 2026-03-31
GLASSCOCK LARRY C
Director
$68,557
@ $183.80 · 2026-03-31
LEWIS RANDALL J.
Director
$100,258
@ $183.96 · 2025-12-15
LEWIS RANDALL J.
Director
$106,310
@ $180.80 · 2025-11-18
AEPPEL GLYN F
Director
$38,678
@ $185.95 · 2025-09-30
SELIG STEFAN M
Director
$36,260
@ $185.95 · 2025-09-30
ROE PEGGY FANG
Director
$14,132
@ $185.95 · 2025-09-30
STEWART MARTA R
Director
$7,205
@ $171.55 · 2025-08-14
SMITH DANIEL C.
Director
$60,212
@ $159.29 · 2025-06-30
AEPPEL GLYN F
Director
$37,274
@ $159.29 · 2025-06-30
STEWART MARTA R
Director
$33,132
@ $159.29 · 2025-06-30
ROE PEGGY FANG
Director
$13,699
@ $159.29 · 2025-06-30
JONES NINA P.
Director
$6,053
@ $159.29 · 2025-06-30
RODKIN GARY M
Director
$39,185
@ $159.29 · 2025-06-30
LEIBOWITZ REUBEN S
Director
$83,149
@ $159.29 · 2025-06-30
LEIBOWITZ REUBEN S
Director
$79,434
@ $164.80 · 2025-03-31
SMITH DANIEL C.
Director
$54,372
@ $167.30 · 2024-09-30
AEPPEL GLYN F
Director
$32,791
@ $167.30 · 2024-09-30
SELIG STEFAN M
Director
$30,449
@ $167.30 · 2024-09-30
JONES NINA P.
Director
$3,346
@ $167.30 · 2024-09-30
HUBBARD ALLAN B
Director
$61,901
@ $167.30 · 2024-09-30
LEIBOWITZ REUBEN S
Director
$75,787
@ $167.30 · 2024-09-30
GLASSCOCK LARRY C
Director
$56,547
@ $167.30 · 2024-09-30
SMITH DANIEL C.
Director
$52,259
@ $150.17 · 2024-06-28
SELIG STEFAN M
Director
$29,283
@ $150.17 · 2024-06-28
RODKIN GARY M
Director
$33,488
@ $150.17 · 2024-06-28
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
SPG
0
Sells (3M)
1
Sells (12M)
Total value (12M): $2.01M
RULLI JOHN
Officer
$2.01M
@ $200.88 · 2026-02-25
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
😏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.
SPG
FearGreed
😏Greed(68/100)

"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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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)
SPG
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 (68)
View BRK-B Full AnalysisView SPG Full Analysis

Frequently Asked Questions: BRK-B vs SPG

Is Berkshire Hathaway Inc. or Simon Property Group, Inc. 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 SPG's -28.3% margin of safety (intrinsic $165 vs. $211).

Which stock has a wider economic moat, Berkshire Hathaway Inc. or Simon Property Group, Inc.?

SPG scores 74/100 (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 Simon Property Group, Inc. in financial distress?

SPG's Altman Z-Score of 1.3 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 Simon Property Group, Inc.?

Berkshire Hathaway Inc. (BRK-B) generates a 5.8% free cash flow yield, compared to Simon Property Group, Inc.'s 3.1%. 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 Simon Property Group, Inc.?

SPG earns 6.4% 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.

BRK-B vs SPG: Which Is the Better Buy in 2026? | SafetyMargin.io