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West Pharmaceutical

749 hedge funds and large institutions have $17.8B invested in West Pharmaceutical in 2026 Q1 according to their latest regulatory filings, with 89 funds opening new positions, 263 increasing their positions, 278 reducing their positions, and 123 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

7% less capital invested

Capital invested by funds: $19.1B → $17.8B (-$1.31B)

28% less first-time investments, than exits

New positions opened: 89 | Existing positions closed: 123

52% less call options, than puts

Call options by funds: $60.5M | Put options by funds: $126M

Holders
749
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$60.5M
Puts
$126M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Walleye Capital
751
Walleye Capital
New York
HF
752
HRT Financial
New York
EAM
753
EULAV Asset Management
Florida
MCM
754
Moore Capital Management
New York
PCH
755
Polar Capital Holdings
United Kingdom
Jennison Associates
756
Jennison Associates
New York
Janney Montgomery Scott
757
Janney Montgomery Scott
Pennsylvania
TI
758
Trexquant Investment
Connecticut
Hudson Bay Capital Management
759
Hudson Bay Capital Management
Connecticut
FISPB
760
Fideuram - Intesa Sanpaolo Private Banking
Parnassus Investments
761
Parnassus Investments
California
DILIC
762
Dai-ichi Life Insurance Company
Japan
BCM
763
Brasada Capital Management
Texas
Verition Fund Management
764
Verition Fund Management
Connecticut
JF
765
Jump Financial
Illinois
DFCM
766
Dark Forest Capital Management
Puerto Rico
CCIA
767
Campbell & Co Investment Adviser
Maryland
CRM
768
Cramer Rosenthal McGlynn
Connecticut
FAF
769
Första AP-fonden
Sweden
ACM
770
Aquatic Capital Management
Illinois
IG
771
ING Group
Netherlands
SPWG
772
Syntegra Private Wealth Group
Missouri
SC
773
SummitTX Capital
Texas
BFA
774
Brendel Financial Advisors
New Hampshire
Skandinaviska Enskilda Banken (SEB)
775
Skandinaviska Enskilda Banken (SEB)
Sweden