WallStSmart

Upstream Bio, Inc. (UPB)vsVertex Pharmaceuticals Inc (VRTX)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Vertex Pharmaceuticals Inc generates 428671% more annual revenue ($12.00B vs $2.80M). VRTX leads profitability with a 32.9% profit margin vs 0.0%. VRTX earns a higher WallStSmart Score of 66/100 (B-).

UPB

Avoid

34

out of 100

Grade: F

Growth: 6.7Profit: 2.5Value: 5.0Quality: 5.0

VRTX

Strong Buy

66

out of 100

Grade: B-

Growth: 8.0Profit: 9.0Value: 10.0Quality: 8.0
Piotroski: 3/9Altman Z: 3.62
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for UPB.

VRTXUndervalued (+36.5%)

Margin of Safety

+36.5%

Fair Value

$716.04

Current Price

$454.97

$261.07 discount

UndervaluedFair: $716.04Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

UPB1 strengths · Avg: 10.0/10
Price/BookValuation
1.4x10/10

Reasonable price relative to book value

VRTX6 strengths · Avg: 9.5/10
Profit MarginProfitability
32.9%10/10

Keeps 33 of every $100 in revenue as profit

Operating MarginProfitability
39.6%10/10

Strong operational efficiency at 39.6%

Altman Z-ScoreHealth
3.6210/10

Safe zone — low bankruptcy risk

Market CapQuality
$113.95B9/10

Large-cap with strong market position

Return on EquityProfitability
22.5%9/10

Every $100 of equity generates 23 in profit

Debt/EquityHealth
0.219/10

Conservative balance sheet, low leverage

Areas to Watch

UPB4 concerns · Avg: 3.0/10
EPS GrowthGrowth
0.0%4/10

0.0% earnings growth

Market CapQuality
$1.26B3/10

Smaller company, higher risk/reward

Profit MarginProfitability
0.0%3/10

0.0% margin — thin

Return on EquityProfitability
-40.8%2/10

ROE of -40.8% — below average capital efficiency

VRTX3 concerns · Avg: 3.7/10
PEG RatioValuation
2.194/10

Expensive relative to growth rate

P/E RatioValuation
29.3x4/10

Moderate valuation

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : UPB

The strongest argument for UPB centers on Price/Book. Revenue growth of 12.5% demonstrates continued momentum.

Bull Case : VRTX

The strongest argument for VRTX centers on Profit Margin, Operating Margin, Altman Z-Score. Profitability is solid with margins at 32.9% and operating margin at 39.6%.

Bear Case : UPB

The primary concerns for UPB are EPS Growth, Market Cap, Profit Margin.

Bear Case : VRTX

The primary concerns for VRTX are PEG Ratio, P/E Ratio, Piotroski F-Score.

Key Dynamics to Monitor

UPB profiles as a value stock while VRTX is a mature play — different risk/reward profiles.

UPB is growing revenue faster at 12.5% — sustainability is the question.

VRTX generates stronger free cash flow (349M), providing more financial flexibility.

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

Bottom Line

VRTX scores higher overall (66/100 vs 34/100), backed by strong 32.9% margins. Both earn "Strong 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.

Upstream Bio, Inc.

HEALTHCARE · BIOTECHNOLOGY · USA

Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases that focuses on severe respiratory disorders. The company is headquartered in Waltham, Massachusetts.

Vertex Pharmaceuticals Inc

HEALTHCARE · BIOTECHNOLOGY · USA

Vertex Pharmaceuticals, Inc. is an American biopharmaceutical company based in Boston, Massachusetts.

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