West Pharmaceutical Services shares owned by William Blair Investment Management
Quarter-by-quarter ownership of West Pharmaceutical Services (WST) shares owned by William Blair Investment Management
from 13F filings
Historical chart of William Blair Investment Management investment in West Pharmaceutical Services
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Quarterly reported holdings in West Pharmaceutical Services by William Blair Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $11M | 41k | 262.33 |
| 2025-06-30 | $80M | 366k | 218.80 |
| 2025-03-31 | $79M | 353k | 223.88 |
| 2024-12-31 | $210M | 641k | 327.56 |
| 2024-09-30 | $23M | 77k | 300.16 |
| 2024-06-30 | $22M | 67k | 329.39 |
| 2024-03-31 | $24M | 61k | 395.71 |
| 2023-03-31 | $553k | 1.6k | 346.47 |
| 2018-12-31 | $74M | 750k | 98.03 |
| 2018-09-30 | $177M | 1.4M | 123.47 |
| 2018-06-30 | $162M | 1.6M | 99.29 |
| 2018-03-31 | $116M | 1.3M | 88.29 |
| 2017-12-31 | $126M | 1.3M | 98.67 |
| 2017-09-30 | $86M | 889k | 96.26 |
| 2015-09-30 | $398k | 7.3k | 54.19 |
More positions owned by William Blair Investment Management
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