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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
526
$232K
527
$231K
528
$230K
529
$230K
530
$228K
531
$225K
532
$224K
533
$222K
534
$222K
535
$219K
536
$219K
537
$219K
538
$215K
539
$214K
540
$213K
541
$212K
542
$208K
543
$207K
544
$204K
545
$201K
546
$199K
547
$198K
548
$193K
549
$193K
550
$186K