West Pharmaceutical Services shares owned by CalPERS
Quarter-by-quarter ownership of West Pharmaceutical Services (WST) shares owned by CalPERS
from 13F filings
Historical chart of CalPERS investment in West Pharmaceutical Services
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Quarterly reported holdings in West Pharmaceutical Services by CalPERS
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $32M | 123k | 262.33 |
| 2025-06-30 | $21M | 94k | 218.80 |
| 2025-03-31 | $20M | 90k | 223.88 |
| 2024-12-31 | $38M | 116k | 327.56 |
| 2024-09-30 | $30M | 99k | 300.16 |
| 2024-06-30 | $43M | 131k | 329.39 |
| 2024-03-31 | $54M | 136k | 395.71 |
| 2023-12-31 | $50M | 141k | 352.12 |
| 2023-09-30 | $54M | 144k | 375.21 |
| 2023-06-30 | $53M | 139k | 382.47 |
| 2023-03-31 | $59M | 170k | 346.47 |
| 2022-12-31 | $84M | 356k | 235.35 |
| 2022-09-30 | $132M | 535k | 246.08 |
| 2022-06-30 | $165M | 545k | 302.37 |
| 2022-03-31 | $227M | 553k | 410.71 |
| 2021-12-31 | $263M | 561k | 469.01 |
| 2021-09-30 | $243M | 572k | 424.54 |
| 2021-06-30 | $203M | 565k | 359.10 |
| 2021-03-31 | $155M | 549k | 281.78 |
| 2020-12-31 | $79M | 279k | 283.31 |
| 2020-09-30 | $46M | 169k | 274.90 |
| 2020-06-30 | $38M | 165k | 227.17 |
| 2020-03-31 | $25M | 166k | 152.25 |
| 2019-12-31 | $26M | 176k | 150.33 |
| 2019-09-30 | $25M | 178k | 141.82 |
| 2019-06-30 | $16M | 131k | 125.15 |
| 2019-03-31 | $14M | 128k | 110.20 |
| 2018-12-31 | $13M | 133k | 98.03 |
| 2018-09-30 | $18M | 142k | 123.47 |
| 2018-06-30 | $14M | 142k | 99.29 |
| 2018-03-31 | $14M | 160k | 88.29 |
| 2017-12-31 | $16M | 163k | 98.67 |
| 2017-09-30 | $15M | 158k | 96.26 |
| 2017-06-30 | $16M | 169k | 94.52 |
| 2017-03-31 | $13M | 162k | 81.61 |
| 2016-12-31 | $15M | 179k | 84.83 |
| 2016-09-30 | $15M | 198k | 74.50 |
| 2016-06-30 | $15M | 203k | 75.88 |
| 2016-03-31 | $14M | 208k | 69.32 |
| 2015-12-31 | $13M | 219k | 60.22 |
| 2015-09-30 | $12M | 219k | 54.12 |
| 2015-06-30 | $13M | 221k | 58.08 |
| 2015-03-31 | $12M | 198k | 60.21 |
| 2014-12-31 | $10M | 198k | 50.76 |
| 2014-09-30 | $9.1M | 203k | 44.76 |
| 2014-06-30 | $6.1M | 146k | 42.18 |
| 2014-03-31 | $6.6M | 149k | 44.18 |
| 2013-12-31 | $7.1M | 143k | 49.48 |
| 2013-09-30 | $5.5M | 133k | 41.15 |
| 2013-06-30 | $3.7M | 53k | 70.25 |
| 2013-03-31 | $3.5M | 54k | 64.95 |
| 2012-12-31 | $265k | 4.8k | 54.79 |
| 2012-09-30 | $326k | 6.1k | 53.12 |
| 2012-06-30 | $451k | 8.9k | 50.49 |
| 2012-03-31 | $287k | 6.7k | 42.53 |
| 2011-06-30 | $286k | 6.5k | 43.75 |
| 2011-03-31 | $1.6M | 35k | 44.76 |