West Pharmaceutical Services shares owned by Marshall Wace
Quarter-by-quarter ownership of West Pharmaceutical Services (WST) shares owned by Marshall Wace
from 13F filings
Historical chart of Marshall Wace investment in West Pharmaceutical Services
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Quarterly reported holdings in West Pharmaceutical Services by Marshall Wace
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $210k | 800 | 262.33 |
| 2025-06-30 | $14M | 63k | 218.80 |
| 2025-03-31 | $37M | 166k | 223.88 |
| 2024-12-31 | $74M | 227k | 327.56 |
| 2024-09-30 | $39M | 128k | 300.16 |
| 2024-06-30 | $16M | 48k | 329.39 |
| 2024-03-31 | $149M | 376k | 395.71 |
| 2023-12-31 | $22M | 63k | 352.12 |
| 2023-09-30 | $58M | 154k | 375.21 |
| 2023-06-30 | $15M | 39k | 382.47 |
| 2023-03-31 | $20M | 58k | 346.47 |
| 2022-12-31 | $249k | 1.1k | 235.35 |
| 2022-09-30 | $28M | 113k | 246.06 |
| 2022-06-30 | $7.7M | 26k | 302.30 |
| 2021-12-31 | $93k | 199 | 467.34 |
| 2021-09-30 | $106M | 249k | 424.54 |
| 2021-06-30 | $56M | 155k | 359.10 |
| 2020-09-30 | $2.9M | 10k | 274.96 |
| 2020-06-30 | $2.8M | 12k | 227.15 |
| 2019-12-31 | $1.6M | 11k | 150.30 |
| 2019-09-30 | $4.1M | 29k | 141.84 |
| 2019-03-31 | $8.8M | 80k | 110.19 |
| 2018-09-30 | $12M | 99k | 123.47 |
| 2018-06-30 | $1.4M | 14k | 99.32 |
| 2016-06-30 | $645k | 8.5k | 75.88 |
| 2016-03-31 | $2.5M | 36k | 69.32 |