Compare Stocks › REGN vs UNH

Regeneron Pharmaceuticals, Inc. (REGN) vs UnitedHealth Group Incorporated (UNH): Which Is the Better Buy in 2026?

As of 2026-06-19, REGN is undervalued at $610, with a DCF intrinsic value of $1572 and a margin of safety of 61%. UNH is fairly valued at $401, with an intrinsic value of $376 and a margin of safety of -7%. Of the two, REGN has the wider margin of safety.

REGN

Regeneron Pharmaceuticals, Inc.

$609.94

UNH

UnitedHealth Group Incorporated

$400.96

Rewards

REGN

★Regeneron Pharmaceuticals, Inc. scores 80/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.
★Trailing P/E of 14.9x is 22% below the historical average of 19.2x — potentially undervalued relative to its own history.
★Altman Z-Score of 7.56 indicates very low bankruptcy risk — the company is firmly in the safe zone.

UNH

★UnitedHealth Group Incorporated scores 73/100 on the Economic Moat Score (Wide Moat), with revenue predictability as the strongest competitive dimension.

Risks

REGN

⚠ROIC has declined by 7.3 percentage points over the past 4 years, which may signal competitive erosion.
⚠Each dollar of retained earnings has produced only $0.15 of earning power — shareholders may have been better served by dividends.
⚠FCF yield of 5.1% suggests reasonable valuation assuming continued moderate growth.

UNH

⚠ROIC has declined by 6.9 percentage points over the past 4 years, which may signal competitive erosion.
⚠Gross margin of 18.8% is low, suggesting a competitive or commodity-like market with limited pricing power.
⚠Free cash flow has declined at a 11.8% CAGR over the past 4 years — a concerning trend.

Key Valuation Metrics

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REGN

UNH

Valuation

$3.27B

Free Cash Flow

$17.69B

5.12%

FCF Yield

4.86%

14.90

Trailing P/E

30.17

11.34

Forward P/E

19.18

Quality & Moat

7.13%

ROIC

15.60%

14.55%

ROE

12.18%

43.89%

Gross Margin

18.80%

1.07

PEG Ratio

1.41

Balance Sheet Safety

Net cash

Net Debt / Equity

0.44

N/A

Interest Coverage

N/A

-1.38

Net Debt / EBITDA

2.18

0.61%

Dividend Yield

2.21%

REGN: 8Ties: 1UNH: 3

REGNUNH

Historical Fundamentals

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REGN

Price ÷ Earnings Per Share — how many years of current earnings you're paying for at today's price. Lower P/E may indicate undervaluation. The dashed forward point is the forward P/E — today's price ÷ analyst consensus EPS.

UNH

$1 Retained Earnings Test

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REGN

$0.20

created per $1 retained over 3 years

Value Destroyer

Σ Retained

$12.50B

Δ Market Cap

+$2.52B

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

Discounted Cash Flow (DCF) Analysis

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REGN

61.2% Margin of Safety

Price is 61.2% below estimated fair value

Current Price: $609.94

Strongly undervalued

Undervalued

Fairly valued

Overvalued

Strongly overvalued

Fair Value: $1572.11

Strongly undervalued

Undervalued

Fairly valued

Overvalued

Strongly overvalued

UNH

6.6% Overvalued

Price is 6.6% above estimated fair value

Current Price: $400.96

Strongly undervalued

Undervalued

Fairly valued

Overvalued

Strongly overvalued

Fair Value: $376.14

Strongly undervalued

Undervalued

Fairly valued

Overvalued

Strongly overvalued

Reverse DCF — Market-Implied Growth

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REGN

What growth rate is the market pricing in at $610?

+1.6%

Market-Implied Owner Earnings Growth

Standard FCF implies +6.0%

The market implies +1.6% Owner Earnings growth, roughly in line with history — reasonably priced.

Standard FCF implies +6.0%, reflecting ongoing growth investment.

UNH

What growth rate is the market pricing in at $401?

+14.1%

Market-Implied Owner Earnings Growth

Standard FCF implies +9.8%

The market implies +14.1% Owner Earnings growth, above historical trends.

Standard FCF implies a demanding +9.8%, reflecting heavy growth investment.

Economic Moat Score

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REGN

80/100

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 5 years of fundamental data.

UNH

73/100

Wide Moat

70+ Wide · 40-69 Narrow · <40 None

Wide moat driven primarily by revenue predictability. Margin Stability is the area most vulnerable to competitive pressure.

Forensic Accounting

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REGN

-2.51

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

Ownership Breakdown

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REGN

Insiders 2.0%Institutions 92.3%Retail & Other 5.6%

No. of Institutional Holders1,990

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 0.2%Institutions 85.9%Retail & Other 13.8%

No. of Institutional Holders4,020

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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REGN

Buys (3M)

Buys (12M)

No open market insider purchases found.

Open market purchases · includes direct & indirect ownership · excludes option exercises

UNH

Buys (3M)

Buys (12M)

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

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

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REGN

Sells (3M)

Sells (12M)

Total value (12M): $9.47M

RYAN ARTHUR F

Director

$70,524

@ $705.24 · 2026-05-01

RYAN ARTHUR F

Director

$77,727

@ $777.27 · 2026-04-01

RYAN ARTHUR F

Director

$78,550

@ $785.50 · 2026-03-02

ZOGHBI HUDA Y

Director

$1.28M

@ $781.33 · 2026-02-19

RYAN ARTHUR F

Director

$77,853

@ $778.53 · 2026-02-09

PITOFSKY JASON

Officer

$1.59M

@ $778.52 · 2026-02-09

BASSLER BONNIE L

Director

$1.20M

@ $800.00 · 2026-01-07

BASSLER BONNIE L

Director

$570,000

@ $750.00 · 2025-11-20

PITOFSKY JASON

Officer

$280,766

@ $651.43 · 2025-11-07

POON CHRISTINE A

Director

$4.25M

@ $654.27 · 2025-10-29

MCCOURT MARION E

Officer

$844,610

@ $844.61 · 2024-11-01

RYAN ARTHUR F

Director

$104,878

@ $1048.78 · 2024-10-01

MCCOURT MARION E

Officer

$1.05M

@ $1054.06 · 2024-10-01

RYAN ARTHUR F

Director

$117,868

@ $1178.68 · 2024-09-03

MCCOURT MARION E

Officer

$1.18M

@ $1178.73 · 2024-09-03

POON CHRISTINE A

Director

$12.55M

@ $1158.17 · 2024-08-15

BASSLER BONNIE L

Director

$884,520

@ $1170.00 · 2024-08-15

MURPHY ANDREW J

Officer

$7.34M

@ $1153.15 · 2024-08-14

STAHL NEIL E

Officer

$5.64M

@ $1084.54 · 2024-08-08

PITOFSKY JASON

Officer

$521,090

@ $1070.00 · 2024-08-07

BASSLER BONNIE L

Director

$842,940

@ $1115.00 · 2024-08-02

RYAN ARTHUR F

Director

$107,467

@ $1085.53 · 2024-08-01

RYAN ARTHUR F

Director

$1,100

@ $1100.00 · 2024-08-01

MCCOURT MARION E

Officer

$1.21M

@ $1060.86 · 2024-08-01

LAROSA JOSEPH J

General Counsel

$2.03M

@ $1088.95 · 2024-07-11

RYAN ARTHUR F

Director

$105,924

@ $1059.24 · 2024-07-01

MCCOURT MARION E

Officer

$1.19M

@ $1047.11 · 2024-07-01

BASSLER BONNIE L

Director

$802,872

@ $1062.00 · 2024-06-24

Direct ownership only · excludes indirect, option exercises, planned (10b5-1) sales & derivatives

UNH

Sells (3M)

Sells (12M)

Total value (12M): $284,000

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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REGN

😐Neutral(43/100)

"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

😏Greed(68/100)

"Market is optimistic — be cautious and ensure you have a margin of safety"

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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REGN

⚪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 (43)

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 (68)

View REGN Full Analysis View UNH Full Analysis

Frequently Asked Questions: REGN vs UNH

Is Regeneron Pharmaceuticals, Inc. or UnitedHealth Group Incorporated more undervalued in 2026?▼

Based on our discounted cash flow model, REGN trades at a 61.2% margin of safety (intrinsic value $1572 vs. price $610), compared to UNH's -6.6% margin of safety (intrinsic $376 vs. $401).

Which stock has a wider economic moat, Regeneron Pharmaceuticals, Inc. or UnitedHealth Group Incorporated?▼

REGN scores 80/100 (Wide moat), while UNH scores 73/100 (Wide moat). The moat score measures competitive advantage durability across ROIC consistency, margin stability, revenue predictability, and reinvestment efficiency.

Is UnitedHealth Group Incorporated in financial distress?▼

UNH's Altman Z-Score of 2.9 places it in the Grey zone, signaling elevated bankruptcy risk. REGN scores 7.6 (Safe zone). The Altman Z-Score is a five-factor model that predicts insolvency within two years; scores below 1.81 indicate significant distress.

Which company has better free cash flow, Regeneron Pharmaceuticals, Inc. or UnitedHealth Group Incorporated?▼

Regeneron Pharmaceuticals, Inc. (REGN) generates a 5.1% free cash flow yield, compared to UnitedHealth Group Incorporated's 4.9%. A higher FCF yield means the business converts more of its market value into cash that can be returned to shareholders or reinvested.

Which stock has higher return on invested capital, Regeneron Pharmaceuticals, Inc. or UnitedHealth Group Incorporated?▼

UNH earns 15.6% ROIC versus REGN's 7.1%. A higher ROIC means the company generates more profit per dollar of capital employed, a hallmark of durable competitive advantage in Buffett-style analysis.

Which dividend is safer, Regeneron Pharmaceuticals, Inc.'s or UnitedHealth Group Incorporated's?▼

REGN's dividend earns a safety score of 85/100 (Very Safe), compared to UNH's 84/100 (Very Safe). REGN has raised its dividend for 0 consecutive years.