Compare Stocks › MRNA vs UNH
Moderna, Inc. (MRNA) vs UnitedHealth Group Incorporated (UNH)
MRNA
Moderna, Inc.
$52.37
VS
UNH
UnitedHealth Group Incorporated
$280.44
Rewards
MRNA
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
MRNA
- ⚠ROIC has declined by 61.0 percentage points over the observed period, which may signal competitive erosion.
- ⚠Gross margin of -105.8% is low, suggesting a competitive or commodity-like market with limited pricing power.
- ⚠Moderna, Inc. scores only 17/100 on the Economic Moat Score, suggesting limited durable competitive advantages.
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 →MRNA
UNH
Valuation
$-1.33B
Free Cash Flow
$13.86B
-6.41%
FCF Yield
5.45%
N/A
Trailing P/E
21.18
-11.51
Forward P/E
14.08
Quality & Moat
-19.50%
ROIC
0.64%
-32.62%
ROE
11.85%
-105.76%
Gross Margin
18.53%
N/A
PEG Ratio
N/A
Balance Sheet Safety
0.15
Debt / Equity
0.82
N/A
Interest Coverage
N/A
N/A
Net Debt / EBITDA
2.54
N/A
Dividend Yield
3.15%
MRNA: 2Ties: 1UNH: 5
MRNAUNH
Historical Fundamentals
Learn more →MRNA
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 →MRNA
N/A
Net losses over 3 years — test not applicable
Company had negative cumulative retained earnings
Σ Retained
$-11.10B
Δ Market Cap
$-57.53B
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 →MRNA
Insufficient Data
Enter initial FCF to calculate intrinsic value
Current Price: $52.37
Strongly undervalued
Strongly overvalued
Fair Value: $0.00
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 →MRNA
Requires positive FCF to compute implied growth rate.
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 →MRNA
17/100
No Moat
70+ Wide · 40-69 Narrow · <40 None
No durable competitive advantage detected. The business shows limited evidence of pricing power, consistent returns, or capital efficiency.
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 →MRNA
-3.72
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 →MRNA
Insiders 7.3%Institutions 77.1%Retail & Other 15.5%
No. of Institutional Holders978
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 →MRNA
0
Buys (3M)
0
Buys (12M)
SAGAN PAUL L
Director
$1.00M
@ $31.76 · 2025-03-03
BANCEL STEPHANE J
Chief Executive Officer
$5.00M
@ $31.22 · 2025-03-03
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 →MRNA
2
Sells (3M)
4
Sells (12M)
Total value (12M): $8.56M
KLINGER SHANNON THYME
Officer
$726,047
@ $52.29 · 2026-03-02
HOGE STEPHEN
President
$7.81M
@ $48.84 · 2026-02-23
HUSSAIN SHAH ABBAS
Director
$13,910
@ $27.60 · 2025-12-09
HUSSAIN SHAH ABBAS
Director
$8,736
@ $28.00 · 2025-06-11
KLINGER SHANNON THYME
Officer
$23,637
@ $44.68 · 2024-12-09
HOGE STEPHEN
President
$13,595
@ $43.30 · 2024-12-03
KLINGER SHANNON THYME
Officer
$4,849
@ $43.29 · 2024-12-03
HOGE STEPHEN
President
$12,452
@ $42.79 · 2024-11-29
MOCK JAMES M
Chief Financial Officer
$60,761
@ $42.79 · 2024-11-29
KLINGER SHANNON THYME
Officer
$60,675
@ $42.79 · 2024-11-29
HOGE STEPHEN
President
$12,771
@ $46.10 · 2024-11-11
MOCK JAMES M
Chief Financial Officer
$42,986
@ $60.12 · 2024-10-07
KLINGER SHANNON THYME
Officer
$40,539
@ $73.57 · 2024-09-09
HOGE STEPHEN
President
$24,483
@ $76.99 · 2024-09-03
KLINGER SHANNON THYME
Officer
$8,777
@ $76.99 · 2024-09-03
HOGE STEPHEN
President
$23,408
@ $78.03 · 2024-08-29
MOCK JAMES M
Chief Financial Officer
$12,640
@ $78.02 · 2024-08-29
KLINGER SHANNON THYME
Officer
$12,640
@ $78.02 · 2024-08-29
MOCK JAMES M
Chief Financial Officer
$104,881
@ $79.40 · 2024-08-28
KLINGER SHANNON THYME
Officer
$104,722
@ $79.39 · 2024-08-28
HOGE STEPHEN
President
$21,363
@ $84.11 · 2024-08-12
AFEYAN NOUBAR BOGHOS
Director
$1.80M
@ $119.96 · 2024-07-31
AFEYAN NOUBAR BOGHOS
Director
$1.77M
@ $117.80 · 2024-07-24
AFEYAN NOUBAR BOGHOS
Director
$1.84M
@ $122.84 · 2024-07-17
HOGE STEPHEN
President
$1.82M
@ $121.12 · 2024-07-15
AFEYAN NOUBAR BOGHOS
Director
$1.76M
@ $117.08 · 2024-07-10
MOCK JAMES M
Chief Financial Officer
$81,465
@ $118.24 · 2024-07-08
AFEYAN NOUBAR BOGHOS
Director
$1.91M
@ $127.22 · 2024-06-26
AFEYAN NOUBAR BOGHOS
Director
$2.00M
@ $133.57 · 2024-06-18
HOGE STEPHEN
President
$2.07M
@ $138.16 · 2024-06-17
AFEYAN NOUBAR BOGHOS
Director
$2.21M
@ $147.20 · 2024-06-12
KLINGER SHANNON THYME
Officer
$766,785
@ $148.09 · 2024-06-10
AFEYAN NOUBAR BOGHOS
Director
$2.27M
@ $151.25 · 2024-06-05
HOGE STEPHEN
President
$47,704
@ $140.72 · 2024-06-03
MOCK JAMES M
Chief Financial Officer
$97,237
@ $140.72 · 2024-06-03
KLINGER SHANNON THYME
Officer
$17,168
@ $140.72 · 2024-06-03
AFEYAN NOUBAR BOGHOS
Director
$2.90M
@ $145.08 · 2024-05-29
HOGE STEPHEN
President
$49,276
@ $144.50 · 2024-05-29
MOCK JAMES M
Chief Financial Officer
$26,444
@ $144.50 · 2024-05-29
KLINGER SHANNON THYME
Officer
$26,444
@ $144.50 · 2024-05-29
MOCK JAMES M
Chief Financial Officer
$105,283
@ $162.47 · 2024-05-28
KLINGER SHANNON THYME
Officer
$210,566
@ $162.47 · 2024-05-28
AFEYAN NOUBAR BOGHOS
Director
$2.36M
@ $157.57 · 2024-05-22
AFEYAN NOUBAR BOGHOS
Director
$1.91M
@ $127.32 · 2024-05-15
HOGE STEPHEN
President
$1.91M
@ $127.49 · 2024-05-15
HOGE STEPHEN
President
$30,844
@ $120.96 · 2024-05-10
AFEYAN NOUBAR BOGHOS
Director
$1.83M
@ $121.68 · 2024-05-08
AFEYAN NOUBAR BOGHOS
Director
$1.66M
@ $110.92 · 2024-05-01
AFEYAN NOUBAR BOGHOS
Director
$1.62M
@ $108.32 · 2024-04-24
AFEYAN NOUBAR BOGHOS
Director
$1.55M
@ $103.38 · 2024-04-17
HOGE STEPHEN
President
$1.58M
@ $105.02 · 2024-04-15
AFEYAN NOUBAR BOGHOS
Director
$1.61M
@ $107.12 · 2024-04-10
MOCK JAMES M
Chief Financial Officer
$71,859
@ $101.93 · 2024-04-08
AFEYAN NOUBAR BOGHOS
Director
$1.53M
@ $101.68 · 2024-04-03
AFEYAN NOUBAR BOGHOS
Director
$1.64M
@ $109.06 · 2024-03-27
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 →MRNA
😐Neutral(47/100)
"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 →MRNA
⚪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 (47)
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)