Compare StocksAIG vs PFE

American International Group, Inc. (AIG) vs Pfizer Inc. (PFE)

AIG
American International Group, Inc.
$73.89
VS
PFE
Pfizer Inc.
$27.41

Rewards

AIG
  • Share count has been reduced by 27% over the past 4 years through buybacks, increasing each share's claim on earnings.
  • FCF yield of 28.2% is historically attractive — the business generates significant cash relative to its price.
  • Net debt/EBITDA of -0.3x means the company holds more cash than debt — a net cash position.
PFE
  • Gross margin of 75.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Dividend yield of 6.28% with a consistent or growing payout over the past 4 years.
  • FCF yield of 8.6% is historically attractive — the business generates significant cash relative to its price.

Risks

AIG
  • American International Group, Inc. scores only 16/100 on the Economic Moat Score, suggesting limited durable competitive advantages.
  • Altman Z-Score of 0.72 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.
  • Free cash flow has declined at a 7.1% CAGR over the past 4 years — a concerning trend.
PFE
  • ROIC has declined by 13.9 percentage points over the observed period, which may signal competitive erosion.
  • Free cash flow has declined at a 29.6% CAGR over the past 4 years — a concerning trend.

Key Valuation Metrics

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AIG
PFE
Valuation
$11.26B
Free Cash Flow
$13.43B
28.24%
FCF Yield
8.61%
13.61
Trailing P/E
20.15
8.35
Forward P/E
9.69
Quality & Moat
5.65%
ROIC
7.67%
7.52%
ROE
8.96%
34.11%
Gross Margin
75.81%
N/A
PEG Ratio
N/A
Balance Sheet Safety
0.24
Debt / Equity
0.78
N/A
Interest Coverage
N/A
-0.29
Net Debt / EBITDA
2.10
2.44%
Dividend Yield
6.28%
AIG: 5Ties: 1PFE: 5
AIGPFE

Historical Fundamentals

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AIG

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

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.

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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AIG
$-0.17
created per $1 retained over 3 years
Market Cap Declined
Σ Retained
$2.31B
Δ Market Cap
$-384.8M
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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AIG
55.7% Margin of Safety
Price is 55.7% below estimated fair value
Current Price: $73.89
Fair Value: $166.72
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
PFE
140.2% Overvalued
Price is 140.2% above estimated fair value
Current Price: $27.41
Fair Value: $11.41
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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AIG

What growth rate is the market pricing in at $74?

+0.8%
Market-Implied Owner Earnings Growth
Standard FCF implies -18.8%

The market implies +0.8% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding -18.8%, reflecting heavy growth investment.

PFE

What growth rate is the market pricing in at $27?

+11.8%
Market-Implied Owner Earnings Growth
Standard FCF implies +4.3%

The market implies +11.8% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +4.3%, reflecting heavy growth investment.

Economic Moat Score

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AIG
16/100
No Moat
70+ Wide · 40-69 Narrow · <40 None

No durable moat detected, though revenue predictability 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 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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AIG
-2.49
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.
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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AIG
Insiders 0.3%Institutions 99.3%Retail & Other 0.3%
No. of Institutional Holders1,548
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 67.7%Retail & Other 32.2%
No. of Institutional Holders3,693
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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AIG
2
Buys (3M)
6
Buys (12M)
Total value (12M): $106,460
INGLIS JOHN C
Director
$1,200
@ $92.31 · 2025-12-30
WALSH KEITH
Chief Financial Officer
$2,207
@ $81.74 · 2025-12-30
INGLIS JOHN C
Director
$1,193
@ $79.53 · 2025-09-30
INGLIS JOHN C
Director
$50,307
@ $77.04 · 2025-08-08
INGLIS JOHN C
Director
$895.00
@ $89.50 · 2025-06-27
INGLIS JOHN C
Director
$50,658
@ $78.66 · 2025-03-31
RICE JOHN G
Director
$770,000
@ $77.00 · 2025-02-13
INGLIS JOHN C
Director
$787.00
@ $78.70 · 2024-12-30
INGLIS JOHN C
Director
$50,002
@ $75.76 · 2024-11-26
INGLIS JOHN C
Director
$520.00
@ $74.29 · 2024-09-30
INGLIS JOHN C
Director
$518.00
@ $86.33 · 2024-06-28
Open market purchases · includes direct & indirect ownership · excludes option exercises
PFE
0
Buys (3M)
0
Buys (12M)
BLAYLOCK RONALD E
Director
$499,072
@ $25.65 · 2025-02-13
GOTTLIEB SCOTT
Director
$28,240
@ $28.24 · 2024-10-30
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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AIG
0
Sells (3M)
5
Sells (12M)
Total value (12M): $11.96M
CARBONE KATHLEEN
Officer
$2.53M
@ $84.06 · 2025-05-20
GLAZER ROSE MARIE E
General Counsel
$2.94M
@ $84.02 · 2025-05-16
WADE CLAUDE E.
Officer
$1.88M
@ $83.57 · 2025-05-05
TWININGDAVIS MELISSA
Officer
$776,072
@ $83.26 · 2025-05-05
FLATT CHRISTOPHER
Officer
$3.85M
@ $83.26 · 2025-05-05
ZAFFINO PETER
Chief Executive Officer
$14.90M
@ $74.52 · 2024-06-12
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
PFE
0
Sells (3M)
0
Sells (12M)
DAMICO JENNIFER B.
Officer
$64,825
@ $25.93 · 2025-03-04
DAMICO JENNIFER B.
Officer
$147,714
@ $28.66 · 2024-08-13
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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AIG
FearGreed
😐Neutral(41/100)

"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.
PFE
FearGreed
😏Greed(64/100)

"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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AIG
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 (41)
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 (64)
View AIG Full AnalysisView PFE Full Analysis
American International Group, Inc. (AIG) vs Pfizer Inc. (PFE) Stock Comparison | SafetyMargin.io