WallStSmart

Ionis Pharmaceuticals Inc (IONS)vsRegeneron Pharmaceuticals Inc (REGN)

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Smart Verdict

WallStSmart Research — data-driven comparison

Regeneron Pharmaceuticals Inc generates 1310% more annual revenue ($14.92B vs $1.06B). REGN leads profitability with a 29.6% profit margin vs -30.9%. REGN appears more attractively valued with a PEG of 1.05. REGN earns a higher WallStSmart Score of 64/100 (C+).

IONS

Avoid

31

out of 100

Grade: F

Growth: 6.7Profit: 2.0Value: 5.7Quality: 4.5
Piotroski: 3/9Altman Z: -0.22

REGN

Buy

64

out of 100

Grade: C+

Growth: 5.3Profit: 7.5Value: 8.0Quality: 8.5
Piotroski: 2/9Altman Z: 4.44
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

IONSUndervalued (+49.1%)

Margin of Safety

+49.1%

Fair Value

$165.82

Current Price

$74.48

$91.34 discount

UndervaluedFair: $165.82Overvalued
REGNUndervalued (+53.0%)

Margin of Safety

+53.0%

Fair Value

$1350.89

Current Price

$635.45

$715.44 discount

UndervaluedFair: $1350.89Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

IONS1 strengths · Avg: 10.0/10
Revenue GrowthGrowth
87.0%10/10

Revenue surging 87.0% year-over-year

REGN6 strengths · Avg: 9.0/10
Debt/EquityHealth
0.0910/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
4.4410/10

Safe zone — low bankruptcy risk

Market CapQuality
$63.21B9/10

Large-cap with strong market position

Profit MarginProfitability
29.6%9/10

Keeps 30 of every $100 in revenue as profit

P/E RatioValuation
14.7x8/10

Attractively priced relative to earnings

Price/BookValuation
2.1x8/10

Reasonable price relative to book value

Areas to Watch

IONS4 concerns · Avg: 2.3/10
Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

PEG RatioValuation
25.702/10

Expensive relative to growth rate

Price/BookValuation
25.2x2/10

Trading at 25.2x book value

Return on EquityProfitability
-66.5%2/10

ROE of -66.5% — below average capital efficiency

REGN2 concerns · Avg: 2.5/10
Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

EPS GrowthGrowth
-7.2%2/10

Earnings declined 7.2%

Comparative Analysis Report

WallStSmart Research

Bull Case : IONS

The strongest argument for IONS centers on Revenue Growth. Revenue growth of 87.0% demonstrates continued momentum.

Bull Case : REGN

The strongest argument for REGN centers on Debt/Equity, Altman Z-Score, Market Cap. Profitability is solid with margins at 29.6% and operating margin at 20.7%. Revenue growth of 19.0% demonstrates continued momentum.

Bear Case : IONS

The primary concerns for IONS are Piotroski F-Score, PEG Ratio, Price/Book. Debt-to-equity of 4.15 is elevated, increasing financial risk.

Bear Case : REGN

The primary concerns for REGN are Piotroski F-Score, EPS Growth.

Key Dynamics to Monitor

IONS profiles as a hypergrowth stock while REGN is a growth play — different risk/reward profiles.

IONS carries more volatility with a beta of 0.37 — expect wider price swings.

IONS is growing revenue faster at 87.0% — sustainability is the question.

REGN generates stronger free cash flow (848M), providing more financial flexibility.

Bottom Line

REGN scores higher overall (64/100 vs 31/100), backed by strong 29.6% margins and 19.0% revenue growth. IONS offers better value entry with a 49.1% margin of safety. Both earn "Buy" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Ionis Pharmaceuticals Inc

HEALTHCARE · BIOTECHNOLOGY · USA

Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapies in the United States. The company is headquartered in Carlsbad, California.

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Regeneron Pharmaceuticals Inc

HEALTHCARE · BIOTECHNOLOGY · USA

Regeneron Pharmaceuticals, Inc. is an American biotechnology company headquartered in Westchester County, New York. Originally focused on neurotrophic factors and their regenerative capabilities, giving rise to its name, the company then branched out into the study of both cytokine and tyrosine kinase receptors.

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