Stock ownership
WEST PHARMACEUTICAL SVSC INC
- Ticker
- WST
- CUSIP
- 955306105
- Held by
- 3 funds
- Combined value
- $232,308,943
+% bought more, −% sold down — each fund's last-quarter move (change in share count).
| Fund | Quarter | Last quarter | Value | % of fund |
|---|---|---|---|---|
| Gates Foundation Trust position history | Q1 2026 | — | $111,409,480 | 0.35% |
| Viking Global Investors position history | Q1 2026 | +41% | $104,503,847 | 0.29% |
| Tudor Investment Corp position history | Q1 2026 | +61% | $16,395,616 | 0.09% |