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 1.9× larger than Charles River Laboratories by market cap; year to date, Charles River Laboratories leads (+50.5% vs +33.2%).
Side by side
| CRL | WST | |
|---|---|---|
| Market cap | $13.8B | $26.9B |
| Price | $298.00 | $363.27 |
| Today | −0.8% | −0.9% |
| Return YTD | +50.5% | +33.2% |
| Return 1Y | +76.5% | +37.8% |
| Since June 26, 2026 | +38.1% | +3.5% |
| P/E | — | 47.7 |
| P/S | 3.5 | 8.1 |
| P/B | 4.9 | 9.0 |
Data as of 2026-10-08 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
The two companies
Charles River LaboratoriesCRL
Preclinical work that drug and biotech companies choose not to do in-house: research models, safety testing, laboratory services through development, and support for cell and gene therapy.
Full CRL profile →West Pharmaceutical ServicesWST
Stoppers, syringe components and the rest of the packaging that goes around an injectable drug. West also builds the injection and delivery systems themselves, including for biologics.
Full WST profile →More CRL & WST comparisons
Other head-to-heads in the CDMO & pharma manufacturing segment.