West Pharmaceutical
WST
WST
755 hedge funds and large institutions have $18B invested in West Pharmaceutical in 2025 Q3 according to their latest regulatory filings, with 118 funds opening new positions, 270 increasing their positions, 247 reducing their positions, and 83 closing their positions.
New
Increased
Maintained
Reduced
Closed
more funds holding in top 10
Funds holding in top 10: →
more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more capital invested
Capital invested by funds: $ → $
4% more funds holding
Funds holding: 729 → 755 (+26)
9% more repeat investments, than reductions
Existing positions increased: 270 | Existing positions reduced: 247
1.85% less ownership
Funds ownership: 97.48% → 95.63% (-1.9%)
Holders
755
Holding in Top 10
3
Calls
$74.8M
Puts
$25.4M
Top Buyers
| 1 | +$146M | |
| 2 | +$122M | |
| 3 | +$115M | |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$107M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$94.3M |
Top Sellers
| 1 | -$127M | |
| 2 | -$117M | |
| 3 | -$92.2M | |
| 4 |
William Blair Investment Management
Chicago,
Illinois
|
-$79.1M |
| 5 |
Bank of New York Mellon
New York
|
-$73.3M |