WST icon

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
376
$697K
377
$687K
378
$687K
379
$678K
380
$665K
381
$661K
382
$647K
383
$644K
384
$640K
385
$637K
386
$624K
387
$622K
388
$618K
389
$617K
390
$615K
391
$613K
392
$613K
393
$605K
394
$604K
395
$593K
396
$592K
397
$592K
398
$588K
399
$586K
400
$579K