Compare StocksAME vs UNH

AMETEK, Inc. (AME) vs UnitedHealth Group Incorporated (UNH)

AME
AMETEK, Inc.
$211.50
VS
UNH
UnitedHealth Group Incorporated
$280.44

Rewards

AME
  • AMETEK, Inc. has maintained ROIC above 10% for 4 consecutive years, suggesting solid business economics.
  • AMETEK, Inc. scores 94/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
  • Free cash flow has grown at a 18.3% CAGR over the past 4 years, demonstrating strong earnings power growth.
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

AME
  • FCF yield of 2.8% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • PEG ratio of 9.17 indicates the stock is expensive relative to its expected growth — the market may be pricing in more growth than analysts project.
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

Learn more →
AME
UNH
Valuation
$1.35B
Free Cash Flow
$13.86B
2.79%
FCF Yield
5.45%
33.00
Trailing P/E
21.18
24.26
Forward P/E
14.08
Quality & Moat
12.19%
ROIC
0.64%
13.93%
ROE
11.85%
36.38%
Gross Margin
18.53%
9.17
PEG Ratio
N/A
Balance Sheet Safety
0.24
Debt / Equity
0.82
N/A
Interest Coverage
N/A
0.90
Net Debt / EBITDA
2.54
0.64%
Dividend Yield
3.15%
AME: 5Ties: 1UNH: 5
AMEUNH

Historical Fundamentals

Learn more →
AME

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

Learn more →
AME
$4.38
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$3.39B
Δ Market Cap
+$14.88B
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

Learn more →
AME
58.0% Overvalued
Price is 58.0% above estimated fair value
Current Price: $211.50
Fair Value: $133.86
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

Learn more →
AME

What growth rate is the market pricing in at $212?

+15.0%
Market-Implied Owner Earnings Growth
Standard FCF implies +16.3%

The market implies +15.0% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +16.3%, 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

Learn more →
AME
94/100
Wide Moat
70+ Wide · 40-69 Narrow · <40 None

Wide moat with strength across all dimensions. Revenue Predictability is the standout factor.

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

Learn more →
AME
-2.43
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.
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

Learn more →
AME
Insiders 0.4%Institutions 92.1%Retail & Other 7.5%
No. of Institutional Holders1,538
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

Learn more →
AME
0
Buys (3M)
0
Buys (12M)
No open market insider purchases found.
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

Learn more →
AME
1
Sells (3M)
7
Sells (12M)
Total value (12M): $28.89M
MONTGOMERY THOMAS M.
Officer
$1.31M
@ $205.05 · 2025-12-22
MARECIC THOMAS C
Officer
$2.89M
@ $202.11 · 2025-12-15
ZAPICO NIMCRUT DAVID A.
Chief Executive Officer
$17.28M
@ $196.39 · 2025-11-25
SPERANZA EMANUELA
Officer
$540,000
@ $200.00 · 2025-11-12
OSCHER RONALD J
Officer
$5.26M
@ $200.05 · 2025-10-31
HARDIN JOHN WESLEY
Officer
$1.48M
@ $188.03 · 2025-09-11
AMATO THOMAS A
Director
$125,414
@ $176.64 · 2025-03-27
KOHLHAGEN STEVEN W
Director
$250,028
@ $189.42 · 2025-03-03
ZAPICO NIMCRUT DAVID A.
Chief Executive Officer
$23.89M
@ $196.85 · 2024-11-26
SPERANZA EMANUELA
Officer
$1.32M
@ $195.90 · 2024-11-26
CIAMPITTI TONY J.
Officer
$3.19M
@ $197.01 · 2024-11-22
HARDIN JOHN WESLEY
Officer
$3.82M
@ $196.23 · 2024-11-13
HERMANCE DAVID F.
Officer
$1.19M
@ $190.99 · 2024-11-08
KOHLHAGEN STEVEN W
Director
$250,526
@ $171.59 · 2024-09-25
KOHLHAGEN STEVEN W
Director
$250,464
@ $173.93 · 2024-06-12
KOHLHAGEN STEVEN W
Director
$250,196
@ $170.20 · 2024-05-15
KOHLHAGEN STEVEN W
Director
$248,728
@ $182.22 · 2024-03-26
AMATO THOMAS A
Director
$141,960
@ $182.00 · 2024-03-26
BURKE WILLIAM JOSEPH
Chief Financial Officer
$5.07M
@ $185.05 · 2024-03-21
MONTGOMERY THOMAS M.
Officer
$1.28M
@ $185.38 · 2024-03-21
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

Learn more →
AME
FearGreed
😐Neutral(49/100)

"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.
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

Learn more →
AME
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 (49)
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 AME Full AnalysisView UNH Full Analysis
AMETEK, Inc. (AME) vs UnitedHealth Group Incorporated (UNH) Stock Comparison | SafetyMargin.io