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West Pharmaceutical

728 hedge funds and large institutions have $15.3B invested in West Pharmaceutical in 2025 Q2 according to their latest regulatory filings, with 103 funds opening new positions, 267 increasing their positions, 264 reducing their positions, and 79 closing their positions.

New
Increased
Maintained
Reduced
Closed

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 funds holding

Funds holding:

more ownership

Funds ownership:

1% more repeat investments, than reductions

Existing positions increased: 267 | Existing positions reduced: 264

1% less capital invested

Capital invested by funds: $15.4B → $15.3B (-$136M)

67% less funds holding in top 10

Funds holding in top 10: 31 (-2)

Holders
728
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$80M
Puts
$30.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
476
$329K
477
$328K
478
$328K
479
$328K
480
$328K
481
$327K
482
$326K
483
$325K
484
$324K
485
$316K
486
$313K
487
$311K
488
$309K
489
$309K
490
$306K
491
$299K
492
$298K
493
$294K
494
$294K
495
$294K
496
$293K
497
$292K
498
$291K
499
$288K
500
$287K