BLFS vs WST
As of Sep 20, 2026, Biolife Solutions (BLFS) scores 5.8/10 and West Pharmaceutical Services (WST) 7.4/10 on AlphaStocks' five-model composite, so WST scores higher. WST trades 81% above its model fair value.
BLFS
BIOLIFE SOLUTIONS INC
5.8
Consider Buy
$36.67
WST
WEST PHARMACEUTICAL SERVICES INC
7.4
Consider Buy
$361.82
BLFS vs WST: Which is the Better Investment?
BIOLIFE SOLUTIONS INC (BLFS) scores 5.8/10 while WEST PHARMACEUTICAL SERVICES INC (WST) scores 7.4/10 on AlphaStocks' composite model. WEST PHARMACEUTICAL SERVICES INC has the higher composite rating of Consider Buy.
This comparison is algorithmically generated and is not financial advice.
| Metric | BLFS | WST |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 5.8/10 | 7.4/10▲ |
| Rating | Consider Buy | Consider Buy▲ |
| Price | $36.67 | $361.82 |
| P/E Ratio | — | 53.3 |
| ROE | -0.9% | 11.4%▲ |
| Market Cap | $2B | $26B |
| Fair Value | — | $199.86 |
| Dividend Yield | — | — |
| Sector Rank | #62 of 168 | #10 of 168▲ |
| Model Verdicts | ||
| Piotroski | Strong | Strong |
| Buffett | Caution | Strong▲ |
| Graham | Neutral | Neutral |
| Lynch | Limited Data | Neutral▲ |
| Greenblatt | Caution | Caution |
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BLFS vs WST: Which Stock Scores Higher?
BIOLIFE SOLUTIONS INC (BLFS) and WEST PHARMACEUTICAL SERVICES INC (WST) are both in the Health Care sector. WST currently leads with a composite score of 7.4/10 (Consider Buy) compared to BLFS's 5.8/10 (Consider Buy).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer