Compare Stocks › ADI vs UNH
Analog Devices, Inc. (ADI) vs UnitedHealth Group Incorporated (UNH)
ADI
Analog Devices, Inc.
$310.44
VS
UNH
UnitedHealth Group Incorporated
$280.44
Rewards
ADI
- ★Gross margin of 62.8% indicates strong pricing power — typical of businesses with significant intellectual property or brand strength.
- ★Each dollar of retained earnings has created $27.09 of market value — management is an exceptional capital allocator.
- ★PEG ratio of 0.49 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings 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
ADI
- ⚠FCF yield of 2.7% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠10 insider sales totaling $19.8M 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
Learn more →ADI
UNH
Valuation
$4.14B
Free Cash Flow
$13.86B
2.73%
FCF Yield
5.45%
56.86
Trailing P/E
21.18
24.02
Forward P/E
14.08
Quality & Moat
7.23%
ROIC
0.64%
6.71%
ROE
11.85%
62.84%
Gross Margin
18.53%
0.49
PEG Ratio
N/A
Balance Sheet Safety
0.26
Debt / Equity
0.82
N/A
Interest Coverage
N/A
0.85
Net Debt / EBITDA
2.54
1.31%
Dividend Yield
3.15%
ADI: 4Ties: 1UNH: 6
ADIUNH
Historical Fundamentals
Learn more →ADI
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 →ADI
$27.09
created per $1 retained over 3 years
Exceptional Value Creator
Σ Retained
$1.82B
Δ Market Cap
+$49.25B
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
> $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
> $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 →ADI
144.2% Overvalued
Price is 144.2% above estimated fair value
Current Price: $310.44
Strongly undervalued
Strongly overvalued
Fair Value: $127.13
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
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $294.90
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Reverse DCF — Market-Implied Growth
Learn more →ADI
What growth rate is the market pricing in at $310?
+24.6%
Market-Implied Owner Earnings Growth
Standard FCF implies +16.3%
The market implies +24.6% 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 →ADI
36/100
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 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 →ADI
-2.75
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 →ADI
Insiders 0.2%Institutions 93.5%Retail & Other 6.3%
No. of Institutional Holders2,606
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 →ADI
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 →ADI
10
Sells (3M)
32
Sells (12M)
Total value (12M): $58.54M
STATA RAYMOND S
Director
$2.00M
@ $319.40 · 2026-03-11
ROCHE VINCENT T
Chief Executive Officer
$3.50M
@ $350.00 · 2026-03-02
SONDEL MICHAEL
Officer
$1.52M
@ $361.11 · 2026-02-25
STATA RAYMOND S
Director
$2.00M
@ $319.39 · 2026-02-05
ROCHE VINCENT T
Chief Executive Officer
$3.07M
@ $306.92 · 2026-02-02
STATA RAYMOND S
Director
$1.85M
@ $296.44 · 2026-01-14
NAKAMURA KATSUFUMI
Officer
$150,732
@ $301.46 · 2026-01-09
NAKAMURA KATSUFUMI
Officer
$144,582
@ $289.16 · 2026-01-07
COTTER MARTIN
Officer
$2.78M
@ $278.44 · 2026-01-05
ROCHE VINCENT T
Chief Executive Officer
$2.75M
@ $275.07 · 2026-01-02
COTTER MARTIN
Officer
$1.36M
@ $271.19 · 2025-12-17
STATA RAYMOND S
Director
$1.73M
@ $276.45 · 2025-12-17
ROCHE VINCENT T
Chief Executive Officer
$2.82M
@ $282.42 · 2025-12-12
SONDEL MICHAEL
Officer
$2.28M
@ $279.50 · 2025-12-10
JAIN VIVEK
Officer
$1.57M
@ $265.88 · 2025-12-01
STATA RAYMOND S
Director
$1.46M
@ $232.86 · 2025-11-05
ROCHE VINCENT T
Chief Executive Officer
$2.35M
@ $234.95 · 2025-11-03
FRANK EDWARD H
Director
$242,740
@ $242.74 · 2025-10-06
STATA RAYMOND S
Director
$1.51M
@ $241.64 · 2025-10-02
ROCHE VINCENT T
Chief Executive Officer
$2.44M
@ $243.71 · 2025-10-01
STATA RAYMOND S
Director
$1.55M
@ $248.27 · 2025-09-18
COTTER MARTIN
Officer
$3.08M
@ $246.25 · 2025-09-05
ROCHE VINCENT T
Chief Executive Officer
$2.46M
@ $246.50 · 2025-09-02
NAKAMURA KATSUFUMI
Officer
$617,595
@ $248.03 · 2025-08-21
STATA RAYMOND S
Director
$1.38M
@ $220.64 · 2025-08-06
STATA RAYMOND S
Director
$1.50M
@ $240.13 · 2025-07-17
STATA RAYMOND S
Director
$1.45M
@ $232.57 · 2025-06-12
STATA RAYMOND S
Director
$1.23M
@ $196.86 · 2025-05-07
ROCHE VINCENT T
Chief Executive Officer
$1.97M
@ $196.84 · 2025-05-01
STATA RAYMOND S
Director
$1.11M
@ $177.49 · 2025-04-16
ROCHE VINCENT T
Chief Executive Officer
$2.00M
@ $200.26 · 2025-04-01
JAIN VIVEK
Officer
$2.66M
@ $210.00 · 2025-03-24
PUCCIO RICHARD C. JR.
Chief Financial Officer
$836,760
@ $209.19 · 2025-03-19
ROCHE VINCENT T
Chief Executive Officer
$2.09M
@ $209.12 · 2025-03-12
ROCHE VINCENT T
Chief Executive Officer
$2.10M
@ $210.44 · 2025-03-11
JOHNSON MERCEDES
Director
$1.36M
@ $227.12 · 2025-03-05
STATA RAYMOND S
Director
$469,920
@ $224.52 · 2025-03-05
ROCHE VINCENT T
Chief Executive Officer
$2.33M
@ $232.62 · 2025-03-03
ROCHE VINCENT T
Chief Executive Officer
$2.35M
@ $234.82 · 2025-02-26
ROCHE VINCENT T
Chief Executive Officer
$2.15M
@ $215.49 · 2025-01-02
ROCHE VINCENT T
Chief Executive Officer
$2.16M
@ $215.83 · 2024-12-11
ROCHE VINCENT T
Chief Executive Officer
$2.24M
@ $223.87 · 2024-11-01
BRYANT GREGORY M.
Officer
$4.48M
@ $223.87 · 2024-11-01
ROCHE VINCENT T
Chief Executive Officer
$2.29M
@ $228.93 · 2024-10-01
BRYANT GREGORY M.
Officer
$6.87M
@ $228.93 · 2024-10-01
BRYANT GREGORY M.
Officer
$6.72M
@ $224.10 · 2024-09-25
ROCHE VINCENT T
Chief Executive Officer
$2.29M
@ $228.69 · 2024-09-03
FRANK EDWARD H
Director
$233,133
@ $234.30 · 2024-08-29
FRANK EDWARD H
Director
$113,618
@ $227.24 · 2024-08-23
ROCHE VINCENT T
Chief Executive Officer
$2.28M
@ $228.08 · 2024-08-01
ROCHE VINCENT T
Chief Executive Officer
$2.27M
@ $226.70 · 2024-07-01
BRYANT GREGORY M.
Officer
$4.12M
@ $233.94 · 2024-06-13
ROCHE VINCENT T
Chief Executive Officer
$2.35M
@ $235.09 · 2024-06-03
CHAMPY JAMES A
Director
$980,910
@ $233.55 · 2024-05-28
SONDEL MICHAEL
Officer
$1.14M
@ $236.58 · 2024-05-24
ROCHE VINCENT T
Chief Executive Officer
$1.97M
@ $197.06 · 2024-05-01
JAIN VIVEK
Officer
$687,317
@ $197.56 · 2024-04-04
ROCHE VINCENT T
Chief Executive Officer
$1.97M
@ $197.40 · 2024-04-01
CHAMPY JAMES A
Director
$242,702
@ $197.64 · 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 →ADI
😐Neutral(48/100)
"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
😨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 →ADI
⚪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 (48)
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)