Charles River Laboratoriesvs.West Pharmaceutical Services
CRL vs WST · both in CDMO & pharma manufacturing, part of the Medicine, pharma & life science value chain: Contract development and manufacturing of medicines — the industrial backbone behind the drugs.
West Pharmaceutical Services is about 2.2× larger than Charles River Laboratories by market cap; year to date, West Pharmaceutical Services leads (+28.6% vs +17.0%).
Side by side
| CRL | WST | |
|---|---|---|
| Market cap | $11.3B | $25B |
| Price | $233.41 | $353.71 |
| Today | −0.1% | −1.1% |
| Return YTD | +17.0% | +28.6% |
| Return 1Y | +42.6% | +54.3% |
| P/E | — | 46.1 |
| P/S | 2.8 | 7.8 |
| P/B | 3.8 | 8.4 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Charles River LaboratoriesCRL
American provider of preclinical research and testing services for pharma and biotech — models and laboratory services throughout drug development.
Full CRL profile →West Pharmaceutical ServicesWST
American manufacturer of packaging and injection systems for pharmaceuticals — stoppers, syringe components and delivery systems, including for injectable biologics.
Full WST profile →More comparisons in CDMO & pharma manufacturing
See where CRL and WST sit in the full Medicine, pharma & life science map — every segment from suppliers to end markets.Open the Life science value chain →