West Pharmaceutical
751 hedge funds and large institutions have $17.8B invested in West Pharmaceutical in 2026 Q1 according to their latest regulatory filings, with 89 funds opening new positions, 264 increasing their positions, 279 reducing their positions, and 124 closing their positions.
New
Increased
Maintained
Reduced
Closed
more funds holding in top 10
Funds holding in top 10: →
more ownership
Funds ownership: →
less repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
less funds holding
Funds holding: →
7% less capital invested
Capital invested by funds: $19.1B → $17.8B (-$1.31B)
28% less first-time investments, than exits
New positions opened: 89 | Existing positions closed: 124
52% less call options, than puts
Call options by funds: $60.5M | Put options by funds: $126M
Holders
751
Holding in Top 10
6
Calls
$60.5M
Puts
$126M
Top Buyers
| 1 | +$290M | |
| 2 | +$284M | |
| 3 | +$191M | |
| 4 |
GIM
Generation Investment Management
London,
United Kingdom
|
+$170M |
| 5 |
Capital Research Global Investors
Los Angeles,
California
|
+$150M |
Top Sellers
| 1 | -$218M | |
| 2 | -$150M | |
| 3 | -$118M | |
| 4 |
CIP
Champlain Investment Partners
Burlington,
Vermont
|
-$67M |
| 5 |
AQR Capital Management
Greenwich,
Connecticut
|
-$62.4M |
