Compare Stocks › AJG vs PFE

Arthur J. Gallagher & Co. (AJG) vs Pfizer Inc. (PFE): Which Is the Better Buy in 2026?

As of 2026-11-01, AJG is overvalued at $276, with a DCF intrinsic value of $231 and a margin of safety of -20%. PFE is overvalued at $31, with an intrinsic value of $22 and a margin of safety of -36%. Of the two, AJG has the wider margin of safety.

AJG
Arthur J. Gallagher & Co.
$276.07
VS
PFE
Pfizer Inc.
$30.52

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 $4.62 of earning power — management is an exceptional capital allocator.
  • ★PEG ratio of 0.99 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
PFE
  • ★Gross margin of 74.7% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • ★Insiders have bought $3.0M worth of stock in the past 3 months — significant skin in the game.

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.
  • ⚠Insiders have sold $7.6M worth of stock in the past 3 months — significant insider liquidation.
PFE
  • ⚠ROIC has declined by 15.9 percentage points over the past 4 years, which may signal competitive erosion.
  • ⚠FCF yield of 7.2% suggests reasonable valuation assuming continued moderate growth.
  • ⚠Trailing P/E of 40.2x is 32% above the historical average of 30.4x — the stock trades at a premium to its own history.

Key Valuation Metrics

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AJG
PFE
Valuation
N/A
Free Cash Flow
$12.49B
N/A
FCF Yield
7.18%
42.15
Trailing P/E
40.16
18.68
Forward P/E
10.57
Quality & Moat
6.85%
ROIC
9.42%
7.21%
ROE
5.01%
43.96%
Gross Margin
74.72%
0.99
PEG Ratio
13.98
Balance Sheet Safety
0.51
Net Debt / Equity
0.61
N/A
Interest Coverage
N/A
2.64
Net Debt / EBITDA
2.04
1.01%
Dividend Yield
5.64%
AJG: 3Ties: 2PFE: 5
AJGPFE

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

PFE

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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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
PFE
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-10.61B
Δ Market Cap
$-146.18B
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
19.6% Overvalued
Price is 19.6% above estimated fair value
Current Price: $276.07
Fair Value: $230.80
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
PFE
36.1% Overvalued
Price is 36.1% above estimated fair value
Current Price: $30.52
Fair Value: $22.43
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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AJG

Requires positive FCF to compute implied growth rate.

PFE

What growth rate is the market pricing in at $31?

+7.2%
Market-Implied Owner Earnings Growth
Standard FCF implies +6.3%

The market implies +7.2% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +6.3%, reflecting heavy growth investment.

Economic Moat Score

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AJG
62/100
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.
PFE
35/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though reinvestment efficiency shows some competitive positioning. The business lacks consistent evidence of sustainable advantages.

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.

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.
PFE
-2.53
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 95.7%Retail & Other 3.5%
No. of Institutional Holders1,734
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.
PFE
Insiders 0.1%Institutions 69.1%Retail & Other 30.8%
No. of Institutional Holders3,681
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)
1
Buys (12M)
Total value (12M): $988,488
PESCH MICHAEL ROBERT
Officer
$988,488
@ $247.12 · 2025-11-03
PESCH MICHAEL ROBERT
President
$18,784
@ $318.37 · 2025-06-18
Open market purchases · includes direct & indirect ownership · excludes option exercises
PFE
3
Buys (3M)
3
Buys (12M)
Total value (12M): $2.96M
BOURLA ALBERT
Chief Executive Officer
$1.00M
@ $26.34 · 2026-08-12
BUCKLEY MORTIMER J.
Director
$960,369
@ $25.52 · 2026-08-05
BLAYLOCK RONALD E
Director
$998,821
@ $25.46 · 2026-08-05
BLAYLOCK RONALD E
Director
$499,072
@ $25.65 · 2025-02-13
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
4
Sells (3M)
13
Sells (12M)
Total value (12M): $24.52M
CARY RICHARD C
Officer
$252,858
@ $252.86 · 2026-09-15
HUDSON SCOTT R
Officer
$3.17M
@ $264.13 · 2026-09-02
BAY WALTER D
General Counsel
$3.24M
@ $270.08 · 2026-08-24
MEAD CHRISTOPHER E.
Officer
$899,588
@ $257.03 · 2026-08-19
CARY RICHARD C
Officer
$618,000
@ $206.00 · 2026-06-02
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
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
PFE
1
Sells (3M)
2
Sells (12M)
Total value (12M): $134,661
DAMICO JENNIFER B.
Officer
$83,261
@ $25.40 · 2026-08-05
DAMICO JENNIFER B.
Officer
$51,400
@ $25.70 · 2026-06-09
DAMICO JENNIFER B.
Officer
$64,825
@ $25.93 · 2025-03-04
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
😏Greed(72/100)

"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.
PFE
FearGreed
😏Greed(73/100)

"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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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: Greed (72)
PFE
⚪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 (73)
View AJG Full AnalysisView PFE Full Analysis

Frequently Asked Questions: AJG vs PFE

Is Arthur J. Gallagher & Co. or Pfizer Inc. more undervalued in 2026?▼

Based on our discounted cash flow model, AJG trades at a -19.6% margin of safety (intrinsic value $231 vs. price $276), compared to PFE's -36.1% margin of safety (intrinsic $22 vs. $31).

Which stock has a wider economic moat, Arthur J. Gallagher & Co. or Pfizer Inc.?▼

AJG scores 62/100 (Narrow moat), while PFE scores 35/100 (None moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is Arthur J. Gallagher & Co. in financial distress?▼

AJG's Altman Z-Score of 1.3 places it in the Distress zone, signaling elevated bankruptcy risk. PFE scores 2.1 (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 stock has higher return on invested capital, Arthur J. Gallagher & Co. or Pfizer Inc.?▼

PFE earns 9.4% ROIC versus AJG's 6.8%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

Which dividend is safer, Arthur J. Gallagher & Co.'s or Pfizer Inc.'s?▼

AJG's dividend earns a safety score of 88/100 (Very Safe), compared to PFE's 24/100 (Unsafe). AJG has raised its dividend for 1 consecutive years.