WST icon

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
476
$334K
477
$331K
478
$331K
479
$330K
480
$330K
481
$329K
482
$327K
483
$324K
484
$316K
485
$314K
486
$312K
487
$311K
488
$311K
489
$309K
490
$307K
491
$306K
492
$304K
493
$301K
494
$298K
495
$298K
496
$297K
497
$296K
498
$287K
499
$285K
500
$284K