WST icon

West Pharmaceutical

705 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, 269 increasing their positions, 260 reducing their positions, and 112 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:

20% less first-time investments, than exits

New positions opened: 90 | Existing positions closed: 112

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
705
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
526
$228K
527
$225K
528
$224K
529
$222K
530
$222K
531
$219K
532
$219K
533
$219K
534
$215K
535
$214K
536
$213K
537
$212K
538
$208K
539
$207K
540
$204K
541
$201K
542
$199K
543
$198K
544
$193K
545
$193K
546
$186K
547
$178K
548
$168K
549
$161K
550
$153K