West Pharmaceutical Services shares owned by William Blair $ Company
Quarter-by-quarter ownership of West Pharmaceutical Services (WST) shares owned by William Blair $ Company
from 13F filings
Historical chart of William Blair $ Company investment in West Pharmaceutical Services
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Quarterly reported holdings in West Pharmaceutical Services by William Blair $ Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $17M | 64k | 262.33 |
| 2025-06-30 | $16M | 72k | 218.80 |
| 2025-03-31 | $19M | 83k | 223.88 |
| 2024-12-31 | $34M | 104k | 327.56 |
| 2024-09-30 | $30M | 101k | 300.16 |
| 2024-06-30 | $37M | 113k | 329.39 |
| 2024-03-31 | $40M | 102k | 395.71 |
| 2023-12-31 | $36M | 101k | 352.12 |
| 2023-09-30 | $38M | 100k | 375.21 |
| 2023-06-30 | $39M | 101k | 382.47 |
| 2023-03-31 | $36M | 103k | 346.47 |
| 2022-12-31 | $23M | 98k | 235.35 |
| 2022-09-30 | $25M | 103k | 246.08 |
| 2022-06-30 | $30M | 100k | 302.37 |
| 2022-03-31 | $41M | 99k | 410.71 |
| 2021-12-31 | $55M | 117k | 469.01 |
| 2021-09-30 | $50M | 118k | 424.54 |
| 2021-06-30 | $46M | 129k | 359.10 |
| 2021-03-31 | $36M | 127k | 281.78 |
| 2020-12-31 | $36M | 126k | 283.31 |
| 2020-09-30 | $35M | 127k | 274.90 |
| 2020-06-30 | $29M | 129k | 227.17 |
| 2020-03-31 | $20M | 130k | 152.25 |
| 2019-12-31 | $20M | 135k | 150.33 |
| 2019-09-30 | $19M | 136k | 141.82 |
| 2019-06-30 | $17M | 136k | 125.15 |
| 2019-03-31 | $16M | 142k | 110.20 |
| 2018-12-31 | $15M | 148k | 98.03 |
| 2018-09-30 | $21M | 166k | 123.47 |
| 2018-06-30 | $17M | 169k | 99.29 |
| 2018-03-31 | $16M | 182k | 88.29 |
| 2017-12-31 | $14M | 137k | 98.67 |
| 2017-09-30 | $6.1M | 63k | 96.26 |
| 2015-06-30 | $427k | 7.4k | 58.07 |
| 2015-03-31 | $436k | 7.2k | 60.21 |