Compare StocksBRK-B vs CSX

Berkshire Hathaway Inc. (BRK-B) vs CSX Corporation (CSX)

BRK-B
Berkshire Hathaway Inc.
$473.01
VS
CSX
CSX Corporation
$45.09

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.
CSX
  • CSX Corporation has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • Return on equity has consistently exceeded 20% over 4 years, indicating efficient use of shareholder capital.
  • Dividend yield of 1.24% with a consistent or growing payout over the past 4 years.

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.
CSX
  • FCF yield of 2.0% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • Trailing P/E of 27.7x is 48% above the historical average of 18.7x — the stock trades at a premium to its own history.
  • Free cash flow has declined at a 20.6% CAGR over the past 4 years — a concerning trend.

Key Valuation Metrics

Learn more →
BRK-B
CSX
Valuation
$61.23B
Free Cash Flow
$1.71B
6.00%
FCF Yield
2.04%
15.24
Trailing P/E
27.67
21.95
Forward P/E
20.95
Quality & Moat
4.96%
ROIC
12.25%
9.18%
ROE
21.27%
27.78%
Gross Margin
46.82%
0.13
PEG Ratio
1.04
Balance Sheet Safety
0.18
Debt / Equity
1.43
N/A
Interest Coverage
N/A
-2.28
Net Debt / EBITDA
2.77
N/A
Dividend Yield
1.24%
BRK-B: 6Ties: 2CSX: 3
BRK-BCSX

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.

CSX

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

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
CSX
$0.47
created per $1 retained over 3 years
Value Destroyer
Σ Retained
$7.24B
Δ Market Cap
+$3.41B
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
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
CSX
24.4% Overvalued
Price is 24.4% above estimated fair value
Current Price: $45.09
Fair Value: $36.24
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 $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.

CSX

What growth rate is the market pricing in at $45?

+15.5%
Market-Implied Owner Earnings Growth
Standard FCF implies +22.6%

The market implies +15.5% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +22.6%, reflecting heavy growth investment.

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 5 years of fundamental data.
CSX
69/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with roic consistency as the key competitive advantage. Improving reinvestment efficiency 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

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.
CSX
-2.69
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 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.
CSX
Insiders 0.2%Institutions 80.3%Retail & Other 19.5%
No. of Institutional Holders2,325
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
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
Open market purchases · includes direct & indirect ownership · excludes option exercises
CSX
1
Buys (3M)
2
Buys (12M)
Total value (12M): $3.03M
ANGEL STEPHEN F
Chief Executive Officer
$1.01M
@ $40.27 · 2026-03-06
ANGEL STEPHEN F
Chief Executive Officer
$2.03M
@ $36.87 · 2025-10-20
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
CSX
1
Sells (3M)
5
Sells (12M)
Total value (12M): $9.47M
SORFLEET DIANA B
Officer
$3.74M
@ $41.56 · 2026-02-19
FORTUNE STEPHEN
Chief Technology Officer
$1.22M
@ $38.65 · 2026-02-03
SORFLEET DIANA B
Officer
$2.50M
@ $37.48 · 2026-01-28
BOONE KEVIN S
Officer
$1.12M
@ $36.09 · 2025-10-22
BURNS MICHAEL S.
Officer
$891,393
@ $36.76 · 2025-10-20
FORTUNE STEPHEN
Officer
$47,115
@ $31.41 · 2025-03-04
GOLDMAN NATHAN DOUGLAS
Officer
$4.20M
@ $35.39 · 2024-11-18
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
😐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.
CSX
FearGreed
😏Greed(69/100)

"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

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: Neutral (52)
CSX
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 (69)
View BRK-B Full AnalysisView CSX Full Analysis