| WST Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the WST market cap history going back to 1/31/2010:
Also see: WST Shares Outstanding History and WST YTD Return |
As of 4/20/2026 West Pharmaceutical Services has a market cap of 19.64 billion. Investors often follow the WST market cap history to compare the size of the company over time.
This page shows WST market capitalization trends over time, with 66 market cap datapoints presented, dating back to 1/31/2010.

| WST Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the WST market cap history going back to 1/31/2010:
Also see: WST Shares Outstanding History and WST YTD Return |
| WST Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
WST Historical Market Cap: +18.79% CAGR
Mouse over chart for data details
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| WST Stock Price Chart |
| About West Pharmaceutical Services, Inc. |
| West Pharmaceutical Services, Inc. is a global manufacturer that is engaged in the design and production of technologically advanced, integrated containment and delivery systems for injectable drugs and healthcare products. Co. operates through two segments: Proprietary Products and Contract-Manufactured Products. The Proprietary Products segment offers packaging, containment solutions, and drug delivery products, along with analytical lab services and other integrated services and solutions, primarily to biologic, generic and pharmaceutical drug customers. We show 66 historical shares outstanding datapoints in our WST shares outstanding history coverage, used to compute WST market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing WST market cap history over the course of time is important for investors interested in comparing WST's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of WST versus a peer is one thing; comparing WST market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like WST can fluctuate over the course of history. With this page we aim to empower investors researching WST by allowing them to research the WST market cap history. |
| WST Current Stock Quote |
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| Video: The Importance of Market Cap | |
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| WST Share Performance |
| Market Cap Peers |
| West Pharmaceutical Services (WST) is categorized under the Healthcare sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
XAIR Market Cap History XBIO Market Cap History XCUR Market Cap History XENT Market Cap History XERS Market Cap History XFOR Market Cap History XGN Market Cap History XLO Market Cap History XLRN Market Cap History XNCR Market Cap History More Healthcare companies » |
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