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West Pharmaceutical

789 hedge funds and large institutions have $19B invested in West Pharmaceutical in 2025 Q4 according to their latest regulatory filings, with 109 funds opening new positions, 265 increasing their positions, 287 reducing their positions, and 56 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

5% more funds holding

Funds holding: 753789 (+36)

0.83% more ownership

Funds ownership: 95.62%96.45% (+0.83%)

8% less repeat investments, than reductions

Existing positions increased: 265 | Existing positions reduced: 287

Holders
789
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$38.9M
Puts
$23.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Barclays
76
Barclays
United Kingdom
$39.1M
Two Sigma Investments
77
Two Sigma Investments
New York
$38.5M
Walleye Capital
78
Walleye Capital
New York
$37M
Bank of Montreal
79
Bank of Montreal
Ontario, Canada
$36.5M
Holocene Advisors
80
Holocene Advisors
New York
$35.1M
HF
81
HRT Financial
New York
$35M
Asset Management One
82
Asset Management One
Japan
$34.4M
California Public Employees Retirement System
83
California Public Employees Retirement System
California
$33.9M
AAS
84
Annex Advisory Services
Wisconsin
$33.8M
CCA
85
Conestoga Capital Advisors
Pennsylvania
$33.8M
LPPI
86
Local Pensions Partnership Investment
United Kingdom
$33.3M
Canada Pension Plan Investment Board
87
Canada Pension Plan Investment Board
Ontario, Canada
$31.5M
California State Teachers Retirement System (CalSTRS)
88
California State Teachers Retirement System (CalSTRS)
California
$31.2M
Korea Investment Corp
89
Korea Investment Corp
South Korea
$30.5M
Millennium Management
90
Millennium Management
New York
$30.4M
NSLI
91
Nan Shan Life Insurance
Taiwan
$30.2M
Fidelity Investments
92
Fidelity Investments
Massachusetts
$30.2M
Wells Fargo
93
Wells Fargo
California
$29.4M
SPS
94
Susquehanna Portfolio Strategies
Pennsylvania
$29.3M
QCM
95
Quantinno Capital Management
New York
$29M
Renaissance Technologies
96
Renaissance Technologies
New York
$28.8M
EAM
97
EULAV Asset Management
Florida
$28.8M
Raymond James Financial
98
Raymond James Financial
Florida
$28.2M
Mackenzie Financial
99
Mackenzie Financial
Ontario, Canada
$28.2M
Ninety One (UK)
100
Ninety One (UK)
United Kingdom
$28M