West Pharmaceutical Services Inc (WST)
Healthcare
Medical Instruments & Supplies
341.00 $
+0.4%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns West Pharmaceutical Services Inc (WST)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.3% of the shares are freely tradable; institutional investors hold 103.9%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
103.9%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
0.6%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.3%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
3.9%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
70Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.71 | 6,836,714 | +3.6 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.65 | 4,683,286 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.82 | 4,094,009 | +0.0 | 03/31/2026 |
| State Street Corp | 4.68 | 3,293,778 | +1.3 | 03/31/2026 |
| Artisan Partners Limited Partnership | 3.78 | 2,657,893 | -6.8 | 03/31/2026 |
| Bank of New York Mellon Corp | 3.50 | 2,465,858 | -7.4 | 03/31/2026 |
| T. Rowe Price Investment Management,Inc. | 3.33 | 2,340,403 | +18.9 | 03/31/2026 |
| Generation Investment Management LLP | 3.19 | 2,243,976 | +43.7 | 03/31/2026 |
| Geode Capital Management, LLC | 2.72 | 1,912,455 | +2.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 3.19 | 2,243,244 | -2.2 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.