Compare StocksSTX vs UNH

Seagate Technology Holdings plc (STX) vs UnitedHealth Group Incorporated (UNH)

STX
Seagate Technology Holdings plc
$726.93
VS
UNH
UnitedHealth Group Incorporated
$368.78

Rewards

STX
  • PEG ratio of 0.64 suggests the stock is undervalued relative to its growth rate — paying less than 1x for each unit of earnings growth.
  • Altman Z-Score of 4.80 indicates very low bankruptcy risk — the company is firmly in the safe zone.
UNH
  • Dividend yield of 2.40% with a consistent or growing payout over the past 4 years.

Risks

STX
  • FCF yield of 1.0% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
  • Trailing P/E of 69.0x is 153% above the historical average of 27.3x — the stock trades at a premium to its own history.
  • High leverage (3.82x debt/equity) combined with thin interest coverage (-1.0x) poses financial risk.
UNH
  • ROIC has declined by 7.9 percentage points over the observed period, which may signal competitive erosion.
  • Gross margin of 18.8% is low, suggesting a competitive or commodity-like market with limited pricing power.
  • FCF yield of 5.3% suggests reasonable valuation assuming continued moderate growth.

Key Valuation Metrics

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STX
UNH
Valuation
$1.61B
Free Cash Flow
$17.69B
0.99%
FCF Yield
5.28%
68.97
Trailing P/E
27.85
27.67
Forward P/E
17.77
Quality & Moat
58.83%
ROIC
15.60%
134.16%
ROE
11.45%
41.57%
Gross Margin
18.80%
0.64
PEG Ratio
39.79
Balance Sheet Safety
3.82
Debt / Equity
0.74
N/A
Interest Coverage
N/A
0.86
Net Debt / EBITDA
2.18
0.41%
Dividend Yield
2.40%
STX: 5Ties: 1UNH: 6
STXUNH

Historical Fundamentals

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STX

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

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STX
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-492.0M
Δ Market Cap
+$47.53B
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

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STX
57.1% Overvalued
Price is 57.1% above estimated fair value
Current Price: $726.93
Fair Value: $462.79
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
UNH
9.6% Overvalued
Price is 9.6% above estimated fair value
Current Price: $368.78
Fair Value: $336.33
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued

Reverse DCF — Market-Implied Growth

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STX

What growth rate is the market pricing in at $727?

+31.7%
Market-Implied Owner Earnings Growth
Standard FCF implies +30.3%

The market implies +31.7% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +30.3%, reflecting heavy growth investment.

UNH

What growth rate is the market pricing in at $369?

+13.9%
Market-Implied Owner Earnings Growth
Standard FCF implies +8.7%

The market implies +13.9% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +8.7%, reflecting heavy growth investment.

Economic Moat Score

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STX
32/100
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.
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

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STX
-1.47
Likely 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

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STX
Insiders 0.3%Institutions 87.8%Retail & Other 11.9%
No. of Institutional Holders1,832
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 84.7%Retail & Other 14.5%
No. of Institutional Holders4,077
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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STX
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
HEMSLEY STEPHEN J
Chief Executive Officer
$25.02M
@ $288.57 · 2025-05-16
REX JOHN F
President
$5.00M
@ $291.12 · 2025-05-16
GIL KRISTEN
Director
$1.00M
@ $271.17 · 2025-05-15
NOSEWORTHY JOHN H
Director
$93,647
@ $312.16 · 2025-05-14
FLYNN TIMOTHY PATRICK
Director
$491,786
@ $320.80 · 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

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STX
7
Sells (3M)
57
Sells (12M)
Total value (12M): $162.91M
MOSLEY WILLIAM D
Chief Executive Officer
$8.41M
@ $420.73 · 2026-04-01
MOSLEY WILLIAM D
Chief Executive Officer
$10.00M
@ $406.77 · 2026-03-19
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$42,273
@ $377.44 · 2026-03-13
CONYERS YOLANDA LEE
Director
$295,192
@ $393.59 · 2026-03-02
MOSLEY WILLIAM D
Chief Executive Officer
$7.70M
@ $384.76 · 2026-03-02
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$98,400
@ $410.00 · 2026-02-24
CHONG KIAN FATT
Officer
$2.43M
@ $416.48 · 2026-02-23
MOSLEY WILLIAM D
Chief Executive Officer
$8.59M
@ $429.27 · 2026-02-02
GELDMACHER JAY L
Director
$414,423
@ $448.02 · 2026-01-30
TEH BAN-SENG
Officer
$8.93M
@ $442.29 · 2026-01-29
LEE JAMES CI
Officer
$234,776
@ $348.85 · 2026-01-26
TEH BAN-SENG
Officer
$422,626
@ $299.31 · 2026-01-12
MOSLEY WILLIAM D
Chief Executive Officer
$5.71M
@ $285.56 · 2026-01-02
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$32,984
@ $291.89 · 2025-12-15
TEH BAN-SENG
Officer
$594,759
@ $295.90 · 2025-12-11
CONYERS YOLANDA LEE
Director
$204,682
@ $272.91 · 2025-12-02
MOSLEY WILLIAM D
Chief Executive Officer
$5.42M
@ $271.03 · 2025-12-01
ROMANO GIANLUCA
Chief Financial Officer
$2.13M
@ $266.69 · 2025-11-13
ROMANO GIANLUCA
Chief Financial Officer
$15.40M
@ $285.16 · 2025-11-12
TEH BAN-SENG
Officer
$408,040
@ $288.98 · 2025-11-11
LEE JAMES CI
Officer
$201,419
@ $288.98 · 2025-11-11
ARUMUGAVELU SHANKAR
Director
$1.47M
@ $294.56 · 2025-11-10
TEH BAN-SENG
Officer
$1.62M
@ $270.00 · 2025-11-05
TILENIUS STEPHANIE SCHEAR
Director
$545,084
@ $266.41 · 2025-11-03
MOSLEY WILLIAM D
Chief Executive Officer
$5.26M
@ $262.82 · 2025-11-03
GELDMACHER JAY L
Director
$336,375
@ $269.10 · 2025-10-31
CHONG KIAN FATT
Officer
$1.93M
@ $272.14 · 2025-10-30
TEH BAN-SENG
Officer
$318,040
@ $225.56 · 2025-10-13
MOSLEY WILLIAM D
Chief Executive Officer
$5.00M
@ $249.90 · 2025-10-01
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$79,645
@ $211.26 · 2025-09-16
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$3.00M
@ $195.80 · 2025-09-12
TEH BAN-SENG
Officer
$721,396
@ $193.30 · 2025-09-11
TEH BAN-SENG
Officer
$1.30M
@ $191.53 · 2025-09-10
CONYERS YOLANDA LEE
Director
$126,599
@ $168.80 · 2025-09-02
MOSLEY WILLIAM D
Chief Executive Officer
$3.38M
@ $168.97 · 2025-09-02
TEH BAN-SENG
Officer
$261,376
@ $151.61 · 2025-08-11
GELDMACHER JAY L
Director
$376,250
@ $150.50 · 2025-08-06
TEH BAN-SENG
Officer
$915,275
@ $155.00 · 2025-08-01
MOSLEY WILLIAM D
Chief Executive Officer
$3.07M
@ $153.75 · 2025-08-01
LEE JAMES CI
Officer
$714,145
@ $154.41 · 2025-08-01
TEH BAN-SENG
Officer
$248,400
@ $144.00 · 2025-07-11
MOSLEY WILLIAM D
Chief Executive Officer
$2.89M
@ $144.66 · 2025-07-01
TEH BAN-SENG
Officer
$77,870
@ $130.00 · 2025-06-16
TEH BAN-SENG
Officer
$222,353
@ $129.05 · 2025-06-11
TEH BAN-SENG
Officer
$222,353
@ $129.05 · 2025-06-11
TEH BAN-SENG
Officer
$467,220
@ $130.00 · 2025-06-09
MOSLEY WILLIAM D
Chief Executive Officer
$7.08M
@ $130.19 · 2025-06-09
TILENIUS STEPHANIE SCHEAR
Director
$344,801
@ $128.04 · 2025-06-05
TEH BAN-SENG
Officer
$9.28M
@ $124.24 · 2025-06-04
MOSLEY WILLIAM D
Chief Executive Officer
$8.39M
@ $119.87 · 2025-06-03
CANNON MICHAEL REYE
Director
$2.88M
@ $119.00 · 2025-06-02
CONYERS YOLANDA LEE
Director
$87,758
@ $117.01 · 2025-06-02
ROMANO GIANLUCA
Chief Financial Officer
$6.09M
@ $117.45 · 2025-05-30
TEH BAN-SENG
Officer
$483,115
@ $115.00 · 2025-05-27
CHONG KIAN FATT
Officer
$713,148
@ $111.26 · 2025-05-22
MOSLEY WILLIAM D
Chief Executive Officer
$7.66M
@ $109.47 · 2025-05-22
MOSLEY WILLIAM D
Chief Executive Officer
$7.66M
@ $109.47 · 2025-05-22
MOSLEY WILLIAM D
Chief Executive Officer
$1.69M
@ $84.56 · 2025-04-01
CONYERS YOLANDA LEE
Director
$77,212
@ $102.95 · 2025-03-03
MOSLEY WILLIAM D
Chief Executive Officer
$2.03M
@ $101.57 · 2025-03-03
MOSLEY WILLIAM D
Chief Executive Officer
$1.88M
@ $94.13 · 2025-02-03
Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives
UNH
1
Sells (3M)
2
Sells (12M)
Total value (12M): $463,645
CONWAY PATRICK HUGH M.D.
Officer
$284,000
@ $355.00 · 2026-04-23
CONWAY PATRICK HUGH M.D.
Chief Executive Officer
$179,645
@ $305.00 · 2025-06-10
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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STX
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.
UNH
FearGreed
😏Greed(65/100)

"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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STX
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)
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: Greed (65)
View STX Full AnalysisView UNH Full Analysis
STX vs UNH: Which Is the Better Buy? | SafetyMargin.io