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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 91 funds opening new positions, 271 increasing their positions, 260 reducing their positions, and 113 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:

19% less first-time investments, than exits

New positions opened: 91 | Existing positions closed: 113

33% less capital invested

Capital invested by funds: $22.8B → $15.4B (-$7.43B)

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
551
$161K
552
$153K
553
$144K
554
$141K
555
$137K
556
$127K
557
$123K
558
$115K
559
$112K
560
$111K
561
$101K
562
$95.8K
563
$94K
564
$88.9K
565
$76.1K
566
$74.1K
567
$72.1K
568
$72K
569
$67.2K
570
$67.2K
571
$65.4K
572
$64.7K
573
$61.3K
574
$61.1K
575
$60.9K