WallStSmart

AstraZeneca PLC (AZN)vsBiogen Inc (BIIB)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

AstraZeneca PLC generates 512% more annual revenue ($61.37B vs $10.03B). AZN leads profitability with a 17.0% profit margin vs 8.3%. BIIB appears more attractively valued with a PEG of 1.16. AZN earns a higher WallStSmart Score of 60/100 (C+).

AZN

Buy

60

out of 100

Grade: C+

Growth: 5.3Profit: 8.0Value: 6.7Quality: 5.0
Piotroski: 6/9Altman Z: 1.48

BIIB

Buy

55

out of 100

Grade: C-

Growth: 2.7Profit: 6.5Value: 6.7Quality: 6.5
Piotroski: 2/9Altman Z: 2.76
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

AZNUndervalued (+18.4%)

Margin of Safety

+18.4%

Fair Value

$196.10

Current Price

$160.17

$35.93 discount

UndervaluedFair: $196.10Overvalued
BIIBUndervalued (+37.5%)

Margin of Safety

+37.5%

Fair Value

$305.78

Current Price

$217.15

$88.63 discount

UndervaluedFair: $305.78Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

AZN4 strengths · Avg: 8.8/10
Market CapQuality
$252.33B10/10

Mega-cap, among the largest globally

Return on EquityProfitability
20.8%9/10

Every $100 of equity generates 21 in profit

Operating MarginProfitability
23.5%8/10

Strong operational efficiency at 23.5%

Free Cash FlowQuality
$2.13B8/10

Generating 2.1B in free cash flow

BIIB2 strengths · Avg: 8.0/10
Price/BookValuation
1.7x8/10

Reasonable price relative to book value

Operating MarginProfitability
25.1%8/10

Strong operational efficiency at 25.1%

Areas to Watch

AZN2 concerns · Avg: 3.0/10
EPS GrowthGrowth
2.5%4/10

2.5% earnings growth

Altman Z-ScoreHealth
1.482/10

Distress zone — elevated risk

BIIB4 concerns · Avg: 3.5/10
P/E RatioValuation
37.7x4/10

Premium valuation, high expectations priced in

Revenue GrowthGrowth
3.4%4/10

3.4% revenue growth

Return on EquityProfitability
4.4%3/10

ROE of 4.4% — below average capital efficiency

Piotroski F-ScoreQuality
2/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : AZN

The strongest argument for AZN centers on Market Cap, Return on Equity, Operating Margin. Profitability is solid with margins at 17.0% and operating margin at 23.5%. PEG of 1.28 suggests the stock is reasonably priced for its growth.

Bull Case : BIIB

The strongest argument for BIIB centers on Price/Book, Operating Margin. PEG of 1.16 suggests the stock is reasonably priced for its growth.

Bear Case : AZN

The primary concerns for AZN are EPS Growth, Altman Z-Score.

Bear Case : BIIB

The primary concerns for BIIB are P/E Ratio, Revenue Growth, Return on Equity.

Key Dynamics to Monitor

AZN profiles as a mature stock while BIIB is a value play — different risk/reward profiles.

AZN carries more volatility with a beta of 0.20 — expect wider price swings.

AZN is growing revenue faster at 6.4% — sustainability is the question.

AZN generates stronger free cash flow (2.1B), providing more financial flexibility.

Bottom Line

AZN scores higher overall (60/100 vs 55/100), backed by strong 17.0% margins. BIIB offers better value entry with a 37.5% margin of safety. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

AstraZeneca PLC

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

AstraZeneca PLC discovers, develops, manufactures and markets prescription drugs in the areas of oncology, cardiovascular, renal and metabolism, respiratory, infections, neuroscience and gastroenterology worldwide. The company is headquartered in Cambridge, the United Kingdom.

Biogen Inc

HEALTHCARE · DRUG MANUFACTURERS - GENERAL · USA

Biogen Inc. is an American multinational biotechnology company based in Cambridge, Massachusetts, specializing in the discovery, development, and delivery of therapies for the treatment of neurological diseases to patients worldwide.

Want to dig deeper into these stocks?