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West Pharmaceutical
WST

Overview Fund Activity

703 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, 267 increasing their positions, 259 reducing their positions, and 112 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
703
Holders Change
-35
Holders Change %
-4.74%
% of All Funds
9.55%
Holding in Top 10
3
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-70%
% of All Funds
0.04%
New
91
Increased
267
Reduced
259
Closed
112
Calls
$98M
Puts
$63M
Net Calls
+$35M
Net Calls Change
+$96.3M

Top Buyers

1
DCP
1
Durable Capital Partners
Maryland
$352M
2
VanEck Associates
2
VanEck Associates
New York
$324M
3
Brown Advisory
3
Brown Advisory
Maryland
$732M
4
Two Sigma Investments
4
Two Sigma Investments
New York
$117M
5
Gates Foundation Trust
5
Gates Foundation Trust
Washington
$99.5M

Top Sellers

1
AllianceBernstein
1
AllianceBernstein
Tennessee
$17.9M
2
Artisan Partners
2
Artisan Partners
Wisconsin
$492M
3
BlackRock
3
BlackRock
New York
$1.55B
4
Citadel Advisors
4
Citadel Advisors
Florida
$62.8M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$34.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
HSBC Holdings
76
HSBC Holdings
United Kingdom
$30.7M -$773K -3,458 -2%
Pictet Asset Management
77
Pictet Asset Management
Switzerland
$30.1M +$3.78M +16,880 +14%
Nomura Asset Management
78
Nomura Asset Management
Japan
$29.5M -$1.79M -8,006 -6%
Point72 Asset Management
79
Point72 Asset Management
Connecticut
$28.7M -$16.6M -74,185 -37%
Schroder Investment Management Group
80
Schroder Investment Management Group
United Kingdom
$26.5M +$9.12M +41,064 +52%
California State Teachers Retirement System (CalSTRS)
81
California State Teachers Retirement System (CalSTRS)
California
$26.5M +$170K +759 +0.6%
Ninety One (UK)
82
Ninety One (UK)
United Kingdom
$25.2M +$6.32M +28,235 +34%
NSLI
83
Nan Shan Life Insurance
Taiwan
$25M -$889K -3,973 -3%
LOM
84
LTS One Management
New York
$24.6M +$24.6M +110,000 New
Ensign Peak Advisors
85
Ensign Peak Advisors
Utah
$24.3M -$7.89M -35,237 -25%
Wells Fargo
86
Wells Fargo
California
$24.2M +$3.34M +14,905 +16%
Voloridge Investment Management
87
Voloridge Investment Management
Florida
$23.5M +$23.5M +105,137 New
Citigroup
88
Citigroup
New York
$23.4M +$11M +49,102 +88%
D.E. Shaw & Co
89
D.E. Shaw & Co
New York
$23.1M -$72.3M -322,893 -76%
California Public Employees Retirement System
90
California Public Employees Retirement System
California
$20.1M -$5.85M -26,116 -23%
Principal Financial Group
91
Principal Financial Group
Iowa
$20M -$222K -991 -1%
William Blair & Company
92
William Blair & Company
Illinois
$18.5M -$4.76M -21,281 -20%
AllianceBernstein
93
AllianceBernstein
Tennessee
$17.9M -$562M -2,512,343 -97%
Canada Life
94
Canada Life
Manitoba, Canada
$17.7M +$3.38M +15,049 +24%
M&T Bank
95
M&T Bank
New York
$17.5M -$330K -1,474 -2%
Russell Investments Group
96
Russell Investments Group
United Kingdom
$16.9M +$7.07M +31,596 +72%
New York State Common Retirement Fund
97
New York State Common Retirement Fund
New York
$16.8M -$4.43M -19,777 -21%
LPL Financial
98
LPL Financial
California
$16.5M +$1.8M +8,039 +12%
CRC
99
Curi RMB Capital
Illinois
$16.4M +$91.3K +408 +0.6%
CCA
100
Conestoga Capital Advisors
Pennsylvania
$16.1M +$1.08M +4,820 +7%
2 3
4
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