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West Pharmaceutical

712 hedge funds and large institutions have $15.6B invested in West Pharmaceutical in 2025 Q1 according to their latest regulatory filings, with 91 funds opening new positions, 273 increasing their positions, 261 reducing their positions, and 114 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

less funds holding

Funds holding:

20% less first-time investments, than exits

New positions opened: 91 | Existing positions closed: 114

32% less capital invested

Capital invested by funds: $22.9B → $15.6B (-$7.25B)

70% less funds holding in top 10

Funds holding in top 10: 103 (-7)

Holders
712
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$98M
Puts
$63M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
126
$10.6M
127
$10.5M
128
$10.3M
129
$10M
130
$9.96M
131
$9.9M
132
$9.82M
133
$9.77M
134
$9.67M
135
$9.47M
136
$9.26M
137
$9.25M
138
$9.24M
139
$8.96M
140
$8.76M
141
$8.59M
142
$8.52M
143
$8.5M
144
$8.47M
145
$8.08M
146
$7.94M
147
$7.69M
148
$7.65M
149
$7.63M
150
$7.44M