WallStSmart

BioLife Solutions Inc (BLFS)vsWest Pharmaceutical Services Inc (WST)

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Smart Verdict

WallStSmart Research — data-driven comparison

West Pharmaceutical Services Inc generates 3018% more annual revenue ($3.33B vs $106.69M). BLFS leads profitability with a 54.3% profit margin vs 17.0%. WST appears more attractively valued with a PEG of 3.43. WST earns a higher WallStSmart Score of 56/100 (C).

BLFS

Hold

46

out of 100

Grade: D+

Growth: 5.3Profit: 5.5Value: 3.3Quality: 9.0
Piotroski: 4/9Altman Z: 5.96

WST

Buy

56

out of 100

Grade: C

Growth: 6.0Profit: 8.0Value: 2.7Quality: 8.5
Piotroski: 4/9Altman Z: 4.73
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

BLFSFair Value (-2.6%)

Margin of Safety

-2.6%

Fair Value

$21.68

Current Price

$38.61

$16.93 premium

UndervaluedFair: $21.68Overvalued
WSTSignificantly Overvalued (-44.6%)

Margin of Safety

-44.6%

Fair Value

$170.28

Current Price

$383.91

$213.63 premium

UndervaluedFair: $170.28Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

BLFS4 strengths · Avg: 9.5/10
Profit MarginProfitability
54.3%10/10

Keeps 54 of every $100 in revenue as profit

Debt/EquityHealth
0.0410/10

Conservative balance sheet, low leverage

Altman Z-ScoreHealth
5.9610/10

Safe zone — low bankruptcy risk

Revenue GrowthGrowth
21.5%8/10

Revenue surging 21.5% year-over-year

WST3 strengths · Avg: 9.0/10
Altman Z-ScoreHealth
4.7310/10

Safe zone — low bankruptcy risk

Debt/EquityHealth
0.109/10

Conservative balance sheet, low leverage

Operating MarginProfitability
22.5%8/10

Strong operational efficiency at 22.5%

Areas to Watch

BLFS4 concerns · Avg: 2.8/10
P/E RatioValuation
39.0x4/10

Premium valuation, high expectations priced in

Market CapQuality
$1.89B3/10

Smaller company, higher risk/reward

PEG RatioValuation
65.382/10

Expensive relative to growth rate

Return on EquityProfitability
-2.8%2/10

ROE of -2.8% — below average capital efficiency

WST3 concerns · Avg: 2.7/10
Price/BookValuation
9.0x4/10

Trading at 9.0x book value

PEG RatioValuation
3.432/10

Expensive relative to growth rate

P/E RatioValuation
49.2x2/10

Premium valuation, high expectations priced in

Comparative Analysis Report

WallStSmart Research

Bull Case : BLFS

The strongest argument for BLFS centers on Profit Margin, Debt/Equity, Altman Z-Score. Profitability is solid with margins at 54.3% and operating margin at 6.0%. Revenue growth of 21.5% demonstrates continued momentum.

Bull Case : WST

The strongest argument for WST centers on Altman Z-Score, Debt/Equity, Operating Margin. Profitability is solid with margins at 17.0% and operating margin at 22.5%. Revenue growth of 13.8% demonstrates continued momentum.

Bear Case : BLFS

The primary concerns for BLFS are P/E Ratio, Market Cap, PEG Ratio.

Bear Case : WST

The primary concerns for WST are Price/Book, PEG Ratio, P/E Ratio. A P/E of 49.2x leaves little room for execution misses.

Key Dynamics to Monitor

BLFS profiles as a growth stock while WST is a mature play — different risk/reward profiles.

BLFS carries more volatility with a beta of 1.82 — expect wider price swings.

BLFS is growing revenue faster at 21.5% — sustainability is the question.

WST generates stronger free cash flow (81M), providing more financial flexibility.

Bottom Line

WST scores higher overall (56/100 vs 46/100), backed by strong 17.0% margins and 13.8% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

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

BioLife Solutions Inc

HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA

BioLife Solutions, Inc. develops, manufactures, and supplies bioproduction tools and services for the gene and cell therapy industry in the United States, Canada, Europe, the Middle East, Africa, and internationally. The company is headquartered in Bothell, Washington.

West Pharmaceutical Services Inc

HEALTHCARE · MEDICAL INSTRUMENTS & SUPPLIES · USA

West Pharmaceutical Services, Inc. is a designer and manufacturer of injectable pharmaceutical packaging and delivery systems. The company is headquartered in Exton, Pennsylvania.

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