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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
376
$679K
377
$678K
378
$674K
379
$666K
380
$665K
381
$664K
382
$663K
383
$662K
384
$662K
385
$660K
386
$660K
387
$659K
388
$649K
389
$643K
390
$639K
391
$638K
392
$637K
393
$636K
394
$635K
395
$634K
396
$632K
397
$629K
398
$628K
399
$624K
400
$624K