Compare Stocks › STX vs UNH
Seagate Technology Holdings plc (STX) vs UnitedHealth Group Incorporated (UNH)
STX
Seagate Technology Holdings plc
$434.60
VS
UNH
UnitedHealth Group Incorporated
$280.44
Rewards
STX
- ★PEG ratio of 0.72 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
- ★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
STX
- ⚠FCF yield of 1.1% is below 3%, meaning the market is pricing in substantial future growth to justify the current price.
- ⚠Trailing P/E of 49.0x is 80% above the historical average of 27.3x — the stock trades at a premium to its own history.
- ⚠High leverage (10.47x 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 18.5% 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 →STX
UNH
Valuation
$1.10B
Free Cash Flow
$13.86B
1.13%
FCF Yield
5.45%
49.00
Trailing P/E
21.18
21.91
Forward P/E
14.08
Quality & Moat
45.21%
ROIC
0.64%
320.04%
ROE
11.85%
38.78%
Gross Margin
18.53%
0.72
PEG Ratio
N/A
Balance Sheet Safety
10.47
Debt / Equity
0.82
N/A
Interest Coverage
N/A
1.32
Net Debt / EBITDA
2.54
0.68%
Dividend Yield
3.15%
STX: 4Ties: 1UNH: 6
STXUNH
Historical Fundamentals
Learn more →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
Learn more →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
> $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 →STX
5.5% Margin of Safety
Price is 5.5% below estimated fair value
Current Price: $434.60
Strongly undervalued
Undervalued
Fairly valued
Overvalued
Strongly overvalued
Fair Value: $459.97
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 →STX
What growth rate is the market pricing in at $435?
+24.6%
Market-Implied Owner Earnings Growth
Standard FCF implies +28.8%
The market implies +24.6% Owner Earnings growth, above historical trends.
Standard FCF implies a demanding +28.8%, 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 →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
Learn more →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
Learn more →STX
Insiders 0.3%Institutions 89.8%Retail & Other 9.9%
No. of Institutional Holders1,736
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 →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
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 →STX
11
Sells (3M)
56
Sells (12M)
Total value (12M): $146.19M
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$42,273
@ $377.44 · 2026-03-13
MOSLEY WILLIAM D
Chief Executive Officer
$7.70M
@ $384.76 · 2026-03-02
CONYERS YOLANDA LEE
Director
$295,192
@ $393.59 · 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
LEE JAMES CI
Officer
$201,419
@ $288.98 · 2025-11-11
TEH BAN-SENG
Officer
$408,040
@ $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
MOSLEY WILLIAM D
Chief Executive Officer
$5.26M
@ $262.82 · 2025-11-03
TILENIUS STEPHANIE SCHEAR
Director
$545,084
@ $266.41 · 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
LEE JAMES CI
Officer
$714,145
@ $154.41 · 2025-08-01
TEH BAN-SENG
Officer
$915,275
@ $155.00 · 2025-08-01
MOSLEY WILLIAM D
Chief Executive Officer
$3.07M
@ $153.75 · 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
CONYERS YOLANDA LEE
Director
$87,758
@ $117.01 · 2025-06-02
CANNON MICHAEL REYE
Director
$2.88M
@ $119.00 · 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
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
CHONG KIAN FATT
Officer
$713,148
@ $111.26 · 2025-05-22
MOSLEY WILLIAM D
Chief Executive Officer
$1.69M
@ $84.56 · 2025-04-01
MOSLEY WILLIAM D
Chief Executive Officer
$2.03M
@ $101.57 · 2025-03-03
CONYERS YOLANDA LEE
Director
$77,212
@ $102.95 · 2025-03-03
MOSLEY WILLIAM D
Chief Executive Officer
$1.88M
@ $94.13 · 2025-02-03
MOSLEY WILLIAM D
Chief Executive Officer
$1.73M
@ $86.65 · 2025-01-02
MORRIS JOHN CHRISTOPHER
Chief Technology Officer
$13,883
@ $98.46 · 2024-12-12
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 →STX
😐Neutral(59/100)
"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 →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: Neutral (59)
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)