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West Pharmaceutical

708 hedge funds and large institutions have $15.4B invested in West Pharmaceutical in 2025 Q1 according to their latest regulatory filings, with 90 funds opening new positions, 272 increasing their positions, 260 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:

less ownership

Funds ownership:

less funds holding

Funds holding:

21% less first-time investments, than exits

New positions opened: 90 | Existing positions closed: 114

33% less capital invested

Capital invested by funds: $22.8B → $15.4B (-$7.44B)

70% less funds holding in top 10

Funds holding in top 10: 103 (-7)

Holders
708
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
326
$955K
327
$955K
328
$953K
329
$943K
330
$921K
331
$905K
332
$900K
333
$889K
334
$873K
335
$864K
336
$856K
337
$851K
338
$848K
339
$836K
340
$829K
341
$828K
342
$825K
343
$817K
344
$812K
345
$808K
346
$799K
347
$795K
348
$786K
349
$780K
350
$761K