WallStSmart

Regeneron Pharmaceuticals Inc (REGN)vsSepterna, Inc. Common Stock (SEPN)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Regeneron Pharmaceuticals Inc generates 31113% more annual revenue ($14.34B vs $45.95M). REGN leads profitability with a 31.4% profit margin vs -106.4%. REGN earns a higher WallStSmart Score of 58/100 (C).

REGN

Buy

58

out of 100

Grade: C

Growth: 4.0Profit: 7.5Value: 7.3Quality: 7.3
Piotroski: 3/9Altman Z: 4.68

SEPN

Avoid

33

out of 100

Grade: F

Growth: 6.3Profit: 2.0Value: 5.0Quality: 9.0
Piotroski: 5/9Altman Z: 6.96
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

REGNSignificantly Overvalued (-165.8%)

Margin of Safety

-165.8%

Fair Value

$281.93

Current Price

$749.47

$467.54 premium

UndervaluedFair: $281.93Overvalued

Intrinsic value data unavailable for SEPN.

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

REGN6 strengths · Avg: 8.8/10
Profit MarginProfitability
31.4%10/10

Keeps 31 of every $100 in revenue as profit

Altman Z-ScoreHealth
4.6810/10

Safe zone — low bankruptcy risk

Market CapQuality
$78.41B9/10

Large-cap with strong market position

P/E RatioValuation
17.9x8/10

Attractively priced relative to earnings

Price/BookValuation
2.5x8/10

Reasonable price relative to book value

Operating MarginProfitability
23.1%8/10

Strong operational efficiency at 23.1%

SEPN4 strengths · Avg: 9.5/10
Revenue GrowthGrowth
112.8%10/10

Revenue surging 112.8% year-over-year

Debt/EquityHealth
0.0610/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
6.9610/10

Safe zone — low bankruptcy risk

Price/BookValuation
2.8x8/10

Reasonable price relative to book value

Areas to Watch

REGN4 concerns · Avg: 3.3/10
PEG RatioValuation
1.564/10

Expensive relative to growth rate

Revenue GrowthGrowth
2.5%4/10

2.5% revenue growth

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

EPS GrowthGrowth
-2.6%2/10

Earnings declined 2.6%

SEPN4 concerns · Avg: 2.8/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$1.09B3/10

Smaller company, higher risk/reward

Return on EquityProfitability
-12.2%2/10

ROE of -12.2% — below average capital efficiency

Free Cash FlowQuality
$-15.05M2/10

Negative free cash flow — burning cash

Comparative Analysis Report

WallStSmart Research

Bull Case : REGN

The strongest argument for REGN centers on Profit Margin, Altman Z-Score, Market Cap. Profitability is solid with margins at 31.4% and operating margin at 23.1%.

Bull Case : SEPN

The strongest argument for SEPN centers on Revenue Growth, Debt/Equity, Altman Z-Score. Revenue growth of 112.8% demonstrates continued momentum.

Bear Case : REGN

The primary concerns for REGN are PEG Ratio, Revenue Growth, Piotroski F-Score.

Bear Case : SEPN

The primary concerns for SEPN are EPS Growth, Market Cap, Return on Equity.

Key Dynamics to Monitor

REGN profiles as a value stock while SEPN is a hypergrowth play — different risk/reward profiles.

SEPN is growing revenue faster at 112.8% — sustainability is the question.

REGN generates stronger free cash flow (922M), providing more financial flexibility.

Monitor BIOTECHNOLOGY industry trends, competitive dynamics, and regulatory changes.

Bottom Line

REGN scores higher overall (58/100 vs 33/100), backed by strong 31.4% margins. 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.

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.

Septerna, Inc. Common Stock

HEALTHCARE · BIOTECHNOLOGY · USA

Septerna, Inc. is an innovative biotechnology company at the forefront of developing transformative therapeutics via selective protein modulation. With a commitment to addressing unmet medical needs across diverse disease areas, Septerna leverages proprietary platforms and deep scientific acumen to advance a robust pipeline of next-generation drug candidates. The company's strategic focus on research and development, coupled with its potential for significant clinical impact, positions it as a compelling opportunity for institutional investors seeking exposure in the dynamic biopharmaceutical sector.

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