Compare StocksBRK-B vs ROK

Berkshire Hathaway Inc. (BRK-B) vs Rockwell Automation, Inc. (ROK)

BRK-B
Berkshire Hathaway Inc.
$473.01
VS
ROK
Rockwell Automation, Inc.
$407.43

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.
ROK
  • Rockwell Automation, Inc. has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • Free cash flow has grown at a 25.8% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.

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.
ROK
  • FCF yield of 3.0% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • Trailing P/E of 46.5x is 31% above the historical average of 35.6x — the stock trades at a premium to its own history.
  • 12 insider sales totaling $24.5M with no purchases in the past 3 months — insiders are reducing their exposure.

Key Valuation Metrics

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BRK-B
ROK
Valuation
$61.23B
Free Cash Flow
$1.36B
6.00%
FCF Yield
2.96%
15.24
Trailing P/E
46.51
21.95
Forward P/E
29.65
Quality & Moat
4.96%
ROIC
15.66%
9.18%
ROE
22.87%
27.78%
Gross Margin
48.49%
0.13
PEG Ratio
0.69
Balance Sheet Safety
0.18
Debt / Equity
0.99
N/A
Interest Coverage
N/A
-2.28
Net Debt / EBITDA
1.79
N/A
Dividend Yield
1.35%
BRK-B: 7Ties: 1ROK: 3
BRK-BROK

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.

ROK

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
ROK
$9.35
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$1.50B
Δ Market Cap
+$14.07B
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
ROK
105.4% Overvalued
Price is 105.4% above estimated fair value
Current Price: $407.43
Fair Value: $198.34
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.

ROK

What growth rate is the market pricing in at $407?

+21.9%
Market-Implied Owner Earnings Growth
Standard FCF implies +15.8%

The market implies +21.9% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +15.8%, reflecting heavy 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.
ROK
69/100
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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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.
ROK
-2.67
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.
ROK
Insiders 0.2%Institutions 88.0%Retail & Other 11.8%
No. of Institutional Holders1,888
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
ROK
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
ROK
12
Sells (3M)
58
Sells (12M)
Total value (12M): $40.92M
FORDENWALT MATTHEW W
Officer
$480,000
@ $400.00 · 2026-04-13
PERDUCAT CYRIL
Chief Technology Officer
$78,209
@ $394.99 · 2026-04-10
BULHO MATHEUS DE A G VIERA
Officer
$484,375
@ $387.50 · 2026-04-08
BULHO MATHEUS DE A G VIERA
Officer
$107,341
@ $359.00 · 2026-04-02
BUTTERMORE ROBERT L.
Officer
$3.56M
@ $398.92 · 2026-03-02
NARDECCHIA CHRISTOPHER
Chief Technology Officer
$5.93M
@ $410.01 · 2026-02-26
HOUSE REBECCA WICKHEM
Officer
$4.89M
@ $404.27 · 2026-02-25
GENEREUX SCOTT A
Officer
$7.04M
@ $404.61 · 2026-02-25
MYERS TESSA M.
Officer
$812,599
@ $409.37 · 2026-02-25
WOODS ISAAC
Officer and Treasurer
$515,628
@ $405.69 · 2026-02-25
FORDENWALT MATTHEW W
Officer
$485,050
@ $404.21 · 2026-02-25
BUTTERMORE ROBERT L.
Officer
$77,548
@ $380.14 · 2026-02-17
RIESTERER TERRY LEE
Officer
$313,600
@ $392.00 · 2026-01-02
BULHO MATHEUS DE A G VIERA
Officer
$828,475
@ $402.37 · 2025-12-10
HOUSE REBECCA WICKHEM
Officer
$823,435
@ $401.87 · 2025-12-10
NARDECCHIA CHRISTOPHER
Chief Technology Officer
$438,542
@ $401.60 · 2025-12-10
MILLER JOHN M
Officer
$46,999
@ $401.70 · 2025-12-10
GENEREUX SCOTT A
Officer
$664,640
@ $401.84 · 2025-12-10
MYERS TESSA M.
Officer
$550,861
@ $401.80 · 2025-12-10
RIESTERER TERRY LEE
Officer
$114,934
@ $401.87 · 2025-12-10
WOODS ISAAC
Officer and Treasurer
$116,500
@ $401.72 · 2025-12-10
PERDUCAT CYRIL
Chief Technology Officer
$388,205
@ $401.87 · 2025-12-10
BUTTERMORE ROBERT L.
Officer
$184,676
@ $401.47 · 2025-12-10
FORDENWALT MATTHEW W
Officer
$230,792
@ $401.38 · 2025-12-10
BULHO MATHEUS DE A G VIERA
Officer
$1.42M
@ $403.04 · 2025-12-05
HOUSE REBECCA WICKHEM
Officer
$149,476
@ $402.90 · 2025-12-05
NARDECCHIA CHRISTOPHER
Chief Technology Officer
$51,981
@ $402.95 · 2025-12-05
MILLER JOHN M
Officer
$12,087
@ $402.90 · 2025-12-05
GENEREUX SCOTT A
Officer
$113,607
@ $402.86 · 2025-12-05
MYERS TESSA M.
Officer
$149,486
@ $402.93 · 2025-12-05
RIESTERER TERRY LEE
Officer
$24,173
@ $402.88 · 2025-12-05
WOODS ISAAC
Officer and Treasurer
$27,396
@ $402.88 · 2025-12-05
PERDUCAT CYRIL
Chief Technology Officer
$56,004
@ $402.91 · 2025-12-05
BUTTERMORE ROBERT L.
Officer
$74,127
@ $402.86 · 2025-12-05
FORDENWALT MATTHEW W
Officer
$118,860
@ $402.92 · 2025-12-05
BULHO MATHEUS DE A G VIERA
Officer
$300,030
@ $365.00 · 2025-10-29
WOODS ISAAC
Officer and Treasurer
$87,500
@ $350.00 · 2025-09-11
WOODS ISAAC
Officer and Treasurer
$35,552
@ $345.17 · 2025-09-08
WOODS ISAAC
Officer and Treasurer
$127,181
@ $348.44 · 2025-08-29
PERDUCAT CYRIL
Chief Technology Officer
$499,500
@ $348.08 · 2025-08-29
KEANE JAMES P
Director
$1.07M
@ $356.06 · 2025-08-26
RIESTERER TERRY LEE
Officer
$830,730
@ $350.67 · 2025-07-17
BULHO MATHEUS DE A G VIERA
Officer
$171,134
@ $325.35 · 2025-06-11
BULHO MATHEUS DE A G VIERA
Officer
$81,583
@ $326.33 · 2025-06-09
NARDECCHIA CHRISTOPHER
Chief Technology Officer
$179,796
@ $326.31 · 2025-06-09
MYERS TESSA M.
Officer
$118,454
@ $326.32 · 2025-06-09
WOODS ISAAC
Officer and Treasurer
$96,913
@ $326.31 · 2025-06-09
BUTTERMORE ROBERT L.
Officer
$161,197
@ $326.31 · 2025-06-09
FORDENWALT MATTHEW W
Officer
$94,310
@ $326.33 · 2025-06-09
FORDENWALT MATTHEW W
Officer
$230,023
@ $318.15 · 2025-06-04
FORDENWALT MATTHEW W
Officer
$141,758
@ $315.02 · 2025-05-29
MILLER JOHN M
Officer
$558,038
@ $310.02 · 2025-05-13
BULHO MATHEUS DE A G VIERA
Officer
$285,682
@ $304.24 · 2025-05-12
HOUSE REBECCA WICKHEM
Officer
$1.58M
@ $304.18 · 2025-05-12
RIESTERER TERRY LEE
Officer
$760,321
@ $304.13 · 2025-05-12
BUTTERMORE ROBERT L.
Officer
$518,651
@ $304.37 · 2025-05-12
HOUSE REBECCA WICKHEM
Officer
$1.48M
@ $295.01 · 2025-05-09
FORDENWALT MATTHEW W
Officer
$147,504
@ $295.01 · 2025-05-09
BULHO MATHEUS DE A G VIERA
Officer
$75,500
@ $257.68 · 2025-04-02
GENEREUX SCOTT A
Officer
$501,858
@ $286.78 · 2025-03-03
MILLER JOHN M
Officer
$71,928
@ $285.43 · 2025-02-28
MYERS TESSA M.
Officer
$351,364
@ $285.43 · 2025-02-28
WOODS ISAAC
Officer and Treasurer
$248,810
@ $284.03 · 2025-02-28
BUTTERMORE ROBERT L.
Officer
$59,823
@ $296.15 · 2025-02-14
RIESTERER TERRY LEE
Officer
$255,179
@ $300.21 · 2025-02-12
WOODS ISAAC
Officer and Treasurer
$245,872
@ $274.72 · 2025-01-10
BULHO MATHEUS DE A G VIERA
Officer
$439,970
@ $299.71 · 2024-12-10
HOUSE REBECCA WICKHEM
Officer
$233,947
@ $298.40 · 2024-12-10
NARDECCHIA CHRISTOPHER
Chief Technology Officer
$65,421
@ $298.73 · 2024-12-10
MILLER JOHN M
General Counsel
$9,867
@ $299.00 · 2024-12-10
GENEREUX SCOTT A
Officer
$229,776
@ $298.80 · 2024-12-10
MYERS TESSA M.
Officer
$88,230
@ $298.07 · 2024-12-10
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.
ROK
FearGreed
😏Greed(62/100)

"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: Neutral (52)
ROK
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 (62)
View BRK-B Full AnalysisView ROK Full Analysis
BRK-B vs ROK: Which Is the Better Buy? | SafetyMargin.io