Compare StocksAJG vs UNH

Arthur J. Gallagher & Co. (AJG) vs UnitedHealth Group Incorporated (UNH)

AJG
Arthur J. Gallagher & Co.
$209.68
VS
UNH
UnitedHealth Group Incorporated
$280.44

Rewards

AJG
  • Free cash flow has grown at a 13.9% CAGR over the past 4 years, demonstrating strong earnings power growth.
  • Each dollar of retained earnings has created $11.75 of market value — management is an exceptional capital allocator.
UNH
  • 5 insider purchases over the past 12 months with a buy/sell ratio above 3:1 — a sustained pattern of insider confidence.
  • Dividend yield of 3.15% with a consistent or growing payout over the past 4 years.

Risks

AJG
  • Share count has increased by 21% over the past 4 years, diluting existing shareholders.
  • Altman Z-Score of 1.31 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
  • 5 insider sales totaling $10.4M with no purchases in the past 3 months — insiders are reducing their exposure.
UNH
  • ROIC has declined by 7.9 percentage points over the observed period, which may signal competitive erosion.
  • Gross margin of 18.5% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • FCF yield of 5.4% suggests reasonable valuation assuming continued moderate growth.

Key Valuation Metrics

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AJG
UNH
Valuation
$1.78B
Free Cash Flow
$13.86B
3.31%
FCF Yield
5.45%
36.47
Trailing P/E
21.18
14.12
Forward P/E
14.08
Quality & Moat
2.90%
ROIC
0.64%
6.40%
ROE
11.85%
42.16%
Gross Margin
18.53%
N/A
PEG Ratio
N/A
Balance Sheet Safety
0.58
Debt / Equity
0.82
N/A
Interest Coverage
N/A
3.51
Net Debt / EBITDA
2.54
1.34%
Dividend Yield
3.15%
AJG: 3Ties: 2UNH: 6
AJGUNH

Historical Fundamentals

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AJG

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation.

UNH

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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AJG
$11.75
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$2.26B
Δ Market Cap
+$26.56B
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
UNH
$-7.37
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$26.63B
Δ Market Cap
$-196.16B
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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AJG
86.2% Overvalued
Price is 86.2% above estimated fair value
Current Price: $209.68
Fair Value: $112.64
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
UNH
4.9% Margin of Safety
Price is 4.9% below estimated fair value
Current Price: $280.44
Fair Value: $294.90
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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AJG

What growth rate is the market pricing in at $210?

+18.5%
Market-Implied Owner Earnings Growth
Standard FCF implies +16.1%

The market implies +18.5% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +16.1%, reflecting heavy growth investment.

UNH

What growth rate is the market pricing in at $280?

+11.1%
Market-Implied Owner Earnings Growth
Standard FCF implies +9.2%

The market implies +11.1% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +9.2%, reflecting heavy growth investment.

Economic Moat Score

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AJG
66/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving roic consistency 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.
UNH
64/100
Narrow Moat
70+ Wide · 40-69 Narrow · <40 None

Narrow moat with revenue predictability as the key competitive advantage. Improving margin stability 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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AJG
-1.94
Possible 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.
UNH
-2.45
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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AJG
Insiders 0.9%Institutions 93.5%Retail & Other 5.5%
No. of Institutional Holders1,732
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.
UNH
Insiders 0.8%Institutions 84.2%Retail & Other 14.9%
No. of Institutional Holders4,244
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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AJG
0
Buys (3M)
2
Buys (12M)
Total value (12M): $1.01M
PESCH MICHAEL ROBERT
Officer
$988,488
@ $247.12 · 2025-11-03
PESCH MICHAEL ROBERT
President
$18,784
@ $318.37 · 2025-06-18
GALLAGHER PATRICK MURPHY
Chief Operating Officer
$316,814
@ $284.14 · 2024-12-23
Open market purchases · includes direct & indirect ownership · excludes option exercises
UNH
0
Buys (3M)
5
Buys (12M)
Total value (12M): $31.61M
REX JOHN F
President
$5.00M
@ $291.12 · 2025-05-16
HEMSLEY STEPHEN J
Chief Executive Officer
$25.02M
@ $288.57 · 2025-05-16
GIL KRISTEN
Director
$1.00M
@ $271.17 · 2025-05-15
FLYNN TIMOTHY PATRICK
Director
$491,786
@ $320.80 · 2025-05-14
NOSEWORTHY JOHN H
Director
$93,647
@ $312.16 · 2025-05-14
FLYNN TIMOTHY PATRICK
Director
$511,575
@ $511.57 · 2025-01-17
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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AJG
5
Sells (3M)
17
Sells (12M)
Total value (12M): $41.59M
HUDSON SCOTT R
Officer
$864,766
@ $227.57 · 2026-03-06
MEAD CHRISTOPHER E.
Officer
$908,472
@ $227.12 · 2026-03-05
GALLAGHER J PATRICK JR
Chief Executive Officer
$6.32M
@ $230.31 · 2026-03-02
MEAD CHRISTOPHER E.
Officer
$1.03M
@ $258.11 · 2025-12-23
HOWELL DOUGLAS K
Chief Financial Officer
$1.29M
@ $258.05 · 2025-12-22
BAY WALTER D
General Counsel
$4.04M
@ $255.00 · 2025-12-19
MEAD CHRISTOPHER E.
Officer
$313,425
@ $250.74 · 2025-11-21
CARY RICHARD C
Officer
$1.57M
@ $261.00 · 2025-11-18
HOWELL DOUGLAS K
Chief Financial Officer
$4.19M
@ $299.42 · 2025-09-22
HOWELL DOUGLAS K
Chief Financial Officer
$899,334
@ $299.78 · 2025-09-09
HUDSON SCOTT R
Officer
$3.83M
@ $297.60 · 2025-09-08
CARY RICHARD C
Officer
$1.22M
@ $306.00 · 2025-08-21
HUDSON SCOTT R
Officer
$3.54M
@ $337.17 · 2025-05-21
PIETRUCHA SUSAN E
Officer
$4.65M
@ $344.13 · 2025-05-19
JOHNSON DAVID S
Director
$342,038
@ $342.04 · 2025-05-16
CARY RICHARD C
Officer
$4.07M
@ $339.51 · 2025-05-07
HUDSON SCOTT R
Officer
$2.51M
@ $333.59 · 2025-03-21
GALLAGHER PATRICK MURPHY
Chief Operating Officer
$868,870
@ $332.52 · 2025-02-27
ZIEBELL WILLIAM F
Officer
$2.29M
@ $324.41 · 2025-02-18
BAY WALTER D
General Counsel
$3.27M
@ $326.62 · 2025-02-13
JOHNSON DAVID S
Director
$104,670
@ $322.06 · 2025-02-12
CARY RICHARD C
Officer
$3.23M
@ $322.99 · 2025-02-10
BARRAT SHERRY S
Director
$760,831
@ $304.33 · 2025-02-03
MEAD CHRISTOPHER E.
Officer
$877,569
@ $302.61 · 2025-02-03
HUDSON SCOTT R
Officer
$7.06M
@ $306.59 · 2025-02-03
BARRAT SHERRY S
Director
$258,698
@ $294.64 · 2024-11-08
MEAD CHRISTOPHER E.
Officer
$803,600
@ $287.00 · 2024-10-28
HOWELL DOUGLAS K
Chief Financial Officer
$1.99M
@ $284.70 · 2024-10-28
HOWELL DOUGLAS K
Chief Financial Officer
$1.99M
@ $284.68 · 2024-09-19
PESCH MICHAEL ROBERT
President
$2.10M
@ $296.20 · 2024-09-13
GALLAGHER THOMAS JOSEPH
President
$4.24M
@ $282.96 · 2024-08-08
HOWELL DOUGLAS K
Chief Financial Officer
$2.48M
@ $285.07 · 2024-08-01
BAY WALTER D
General Counsel
$1.80M
@ $284.06 · 2024-07-30
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
UNH
0
Sells (3M)
1
Sells (12M)
Total value (12M): $179,645
CONWAY PATRICK HUGH M.D.
Chief Executive Officer
$179,645
@ $305.00 · 2025-06-10
MCSWEENEY ERIN L
Officer
$438,987
@ $626.23 · 2024-11-11
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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AJG
FearGreed
😨Fear(30/100)

"Market is pessimistic — investigate whether fears are temporary or structural"

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.
UNH
FearGreed
😨Fear(37/100)

"Market is pessimistic — investigate whether fears are temporary or structural"

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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AJG
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: Fear (30)
UNH
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: Fear (37)
View AJG Full AnalysisView UNH Full Analysis