WallStSmart

AstraZeneca PLC (AZN)vsSpero Therapeutics Inc (SPRO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

AstraZeneca PLC generates 130474% more annual revenue ($61.37B vs $47.00M). AZN leads profitability with a 17.0% profit margin vs 15.7%. SPRO trades at a lower P/E of 8.6x. 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

SPRO

Buy

54

out of 100

Grade: C-

Growth: 6.0Profit: 7.5Value: 6.7Quality: 7.8
Piotroski: 5/9
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

Intrinsic value data unavailable for SPRO.

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

SPRO5 strengths · Avg: 10.0/10
P/E RatioValuation
8.6x10/10

Attractively priced relative to earnings

Price/BookValuation
1.5x10/10

Reasonable price relative to book value

Return on EquityProfitability
35.1%10/10

Every $100 of equity generates 35 in profit

EPS GrowthGrowth
75.3%10/10

Earnings expanding 75.3% YoY

Debt/EquityHealth
0.0510/10

Conservative balance sheet, low leverage

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

SPRO3 concerns · Avg: 2.3/10
Market CapQuality
$70.46M3/10

Smaller company, higher risk/reward

Revenue GrowthGrowth
-95.6%2/10

Revenue declined 95.6%

Free Cash FlowQuality
$-5.36M2/10

Negative free cash flow — burning cash

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 : SPRO

The strongest argument for SPRO centers on P/E Ratio, Price/Book, Return on Equity. Profitability is solid with margins at 15.7% and operating margin at 14.1%.

Bear Case : AZN

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

Bear Case : SPRO

The primary concerns for SPRO are Market Cap, Revenue Growth, Free Cash Flow.

Key Dynamics to Monitor

AZN profiles as a mature stock while SPRO is a declining play — different risk/reward profiles.

SPRO carries more volatility with a beta of 1.48 — 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 54/100), backed by strong 17.0% margins. 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.

Spero Therapeutics Inc

HEALTHCARE · BIOTECHNOLOGY · USA

Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing novel treatments for multidrug resistant (MDR) bacterial infections and rare diseases in the United States. The company is headquartered in Cambridge, Massachusetts.

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