Compare StocksAPH vs PFE

Amphenol Corporation (APH) vs Pfizer, Inc. (PFE): Which Is the Better Buy in 2026?

As of 2026-08-03, APH is undervalued at $161, with a DCF intrinsic value of $186579829415 and a margin of safety of 100%. PFE is undervalued at $25, with an intrinsic value of $127985960274 and a margin of safety of 100%. Of the two, PFE has the wider margin of safety.

APH
Amphenol Corporation
$160.70
VS
PFE
Pfizer, Inc.
$25.01

Rewards

APH
  • Amphenol Corporation has maintained ROIC above 15% for 4 consecutive years, indicating a durable competitive advantage.
  • Amphenol Corporation scores 71/100 on the Economic Moat Score (Wide Moat), with reinvestment efficiency as the strongest competitive dimension.
  • Free cash flow has grown at a 34.7% CAGR over the past 4 years, demonstrating strong earnings power growth.
PFE
  • Gross margin of 74.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
  • Trailing P/E of 19.1x is 37% below the historical average of 30.4x — potentially undervalued relative to its own history.

Risks

APH
  • Buybacks have been poorly timed — 3 out of 4 years involved repurchases at relatively expensive valuations.
  • Trailing P/E of 40.2x is 26% above the historical average of 31.9x — the stock trades at a premium to its own history.
PFE
  • ROIC has declined by 15.9 percentage points over the past 4 years, which may signal competitive erosion.
  • PEG ratio of 2.94 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
  • Altman Z-Score of 1.38 places the company in the distress zone — financial patterns resemble those of companies that experienced bankruptcy.

Key Valuation Metrics

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APH
PFE
Valuation
$3.82B
Free Cash Flow
$12.38B
N/A
FCF Yield
N/A
40.17
Trailing P/E
19.09
24.92
Forward P/E
8.85
Quality & Moat
19.82%
ROIC
10.19%
38.12%
ROE
8.31%
38.95%
Gross Margin
74.80%
1.07
PEG Ratio
2.94
Balance Sheet Safety
0.86
Net Debt / Equity
0.57
N/A
Interest Coverage
N/A
1.42
Net Debt / EBITDA
2.03
0.62%
Dividend Yield
6.88%
APH: 4Ties: 1PFE: 6
APHPFE

Historical Fundamentals

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APH

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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APH
$0.00
created per $1 retained over 3 years
Value Destroyer
Σ Retained
$6.72B
Δ Market Cap
+$97.07
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
$-26.34
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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APH
100.0% Margin of Safety
Price is 100.0% below estimated fair value
Current Price: $160.70
Fair Value: $186579829414.73
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
PFE
100.0% Margin of Safety
Price is 100.0% below estimated fair value
Current Price: $25.01
Fair Value: $127985960274.09
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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APH

What growth rate is the market pricing in at $161?

-19.9%
Market-Implied Owner Earnings Growth
Standard FCF implies -17.9%

The market implies -19.9% Owner Earnings growth, below historical trends — potential opportunity.

Standard FCF implies a more demanding -17.9%, reflecting heavy growth investment expected to generate future returns.

PFE

What growth rate is the market pricing in at $25?

-14.2%
Market-Implied Owner Earnings Growth
Standard FCF implies -15.0%

The market implies -14.2% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding -15.0%, reflecting heavy growth investment.

Economic Moat Score

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APH
71/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by reinvestment efficiency. Revenue Predictability is the area most vulnerable to competitive pressure.

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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APH
-2.44
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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APH
Insiders 0.5%Institutions 97.9%Retail & Other 1.6%
No. of Institutional Holders2,933
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 69.5%Retail & Other 30.4%
No. of Institutional Holders3,661
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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APH
0
Buys (3M)
1
Buys (12M)
Total value (12M): $1.29M
LIVINGSTON ROBERT A
Director
$1.29M
@ $128.51 · 2026-02-05
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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APH
0
Sells (3M)
17
Sells (12M)
Total value (12M): $283.41M
NORWITT RICHARD ADAM
Chief Executive Officer
$18.71M
@ $143.06 · 2026-05-05
LAMPO CRAIG A
Chief Financial Officer
$15.00M
@ $149.98 · 2026-02-18
D'AMICO LANCE E
General Counsel
$7.49M
@ $149.88 · 2026-02-18
DOHERTY WILLIAM J
Officer
$11.36M
@ $142.00 · 2025-12-02
STRAUB PETER JOHN
Officer
$18.72M
@ $141.84 · 2025-12-02
IVAS MICHAEL R
Officer
$16.81M
@ $140.05 · 2025-11-05
SILVERMAN DAVID M
Officer
$16.94M
@ $141.17 · 2025-11-03
IVAS MICHAEL R
Officer
$16.96M
@ $141.30 · 2025-10-31
DOHERTY WILLIAM J
Officer
$11.28M
@ $141.04 · 2025-10-29
D'AMICO LANCE E
General Counsel
$16.80M
@ $140.01 · 2025-10-29
WALTER LUC
Officer
$49.16M
@ $134.65 · 2025-10-24
STRAUB PETER JOHN
Officer
$9.74M
@ $110.64 · 2025-09-08
SILVERMAN DAVID M
Officer
$11.04M
@ $110.42 · 2025-08-25
LAMPO CRAIG A
Chief Financial Officer
$22.07M
@ $110.43 · 2025-08-22
D'AMICO LANCE E
General Counsel
$11.06M
@ $110.60 · 2025-08-18
DOHERTY WILLIAM J
Officer
$24.77M
@ $109.59 · 2025-08-11
IVAS MICHAEL R
Officer
$5.50M
@ $110.02 · 2025-08-08
WALTER LUC
President
$26.15M
@ $91.43 · 2025-06-03
SILVERMAN DAVID M
Officer
$8.91M
@ $89.09 · 2025-05-30
DOHERTY WILLIAM J
Officer
$14.33M
@ $89.54 · 2025-05-30
IVAS MICHAEL R
Officer
$3.55M
@ $88.79 · 2025-05-29
D'AMICO LANCE E
General Counsel
$8.64M
@ $86.36 · 2025-05-13
SILVERMAN DAVID M
Officer
$7.00M
@ $80.03 · 2025-05-02
DOHERTY WILLIAM J
Officer
$10.12M
@ $80.28 · 2025-05-02
SILVERMAN DAVID M
Officer
$7.59M
@ $75.88 · 2025-04-25
DOHERTY WILLIAM J
Officer
$7.55M
@ $75.49 · 2025-04-25
LAMPO CRAIG A
Chief Financial Officer
$30.37M
@ $75.93 · 2025-04-25
NORWITT RICHARD ADAM
Chief Executive Officer
$151.46M
@ $75.73 · 2025-04-25
WALTER LUC
Officer
$29.61M
@ $75.91 · 2025-04-25
STRAUB PETER JOHN
Officer
$9.78M
@ $74.12 · 2024-11-08
SILVERMAN DAVID M
Officer
$12.93M
@ $71.81 · 2024-11-06
LAMPO CRAIG A
Chief Financial Officer
$21.47M
@ $71.56 · 2024-11-06
D'AMICO LANCE E
General Counsel
$5.16M
@ $68.80 · 2024-10-30
SILVERMAN DAVID M
Officer
$12.39M
@ $68.84 · 2024-10-29
LAMPO CRAIG A
Chief Financial Officer
$10.31M
@ $68.76 · 2024-10-29
DOHERTY WILLIAM J
Officer
$19.75M
@ $65.83 · 2024-08-15
D'AMICO LANCE E
General Counsel
$6.56M
@ $65.63 · 2024-08-15
LAMPO CRAIG A
Chief Financial Officer
$16.25M
@ $65.01 · 2024-08-14
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
PFE
1
Sells (3M)
1
Sells (12M)
Total value (12M): $51,400
DAMICO JENNIFER B.
Officer
$51,400
@ $25.70 · 2026-06-09
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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APH
FearGreed
😐Neutral(57/100)

"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
😐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.

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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APH
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 (57)
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: Neutral (52)
View APH Full AnalysisView PFE Full Analysis

Frequently Asked Questions: APH vs PFE

Is Amphenol Corporation or Pfizer, Inc. more undervalued in 2026?

Based on our discounted cash flow model, PFE trades at a 100.0% margin of safety (intrinsic value $127985960274 vs. price $25), compared to APH's 100.0% margin of safety (intrinsic $186579829415 vs. $161).

Which stock has a wider economic moat, Amphenol Corporation or Pfizer, Inc.?

APH scores 71/100 (Wide 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 Pfizer, Inc. in financial distress?

PFE's Altman Z-Score of 1.4 places it in the Distress zone, signaling elevated bankruptcy risk. APH scores 2.0 (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, Amphenol Corporation or Pfizer, Inc.?

APH earns 19.8% ROIC versus PFE's 10.2%. 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, Amphenol Corporation's or Pfizer, Inc.'s?

APH's dividend earns a safety score of 94/100 (Very Safe), compared to PFE's 24/100 (Unsafe). APH has raised its dividend for 3 consecutive years.